2.6.8.1-mm4 [ls]trace freeze
From: Ralf Gerbig
Date: Mon Aug 23 2004 - 13:43:03 EST
Moins,
SuSe 9.1, nforce2, AMD Athlon(tm) XP 2800+,
2.8.6.1-mm4 with this additional patch:
--- drivers/block/scsi_ioctl.c.orig 2004-08-22 13:38:15.000000000 +0200
+++ drivers/block/scsi_ioctl.c 2004-08-22 20:06:11.000000000 +0200
@@ -192,8 +192,8 @@
return -EINVAL;
if (copy_from_user(cmd, hdr->cmdp, hdr->cmd_len))
return -EFAULT;
- if (verify_command(file, cmd))
- return -EPERM;
+/* if (verify_command(file, cmd))
+ return -EPERM; */ /* RG */
/*
* we'll do that later
ltrace -p <pid of mozilla> results in:
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0124365>] __dequeue_signal+0xf5/0x160
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c0125cce>] get_signal_to_deliver+0x8e/0x390
[<c0103ddf>] do_signal+0x8f/0x160
[<c01652d2>] do_pollfd+0x52/0x90
[<c016490a>] poll_freewait+0x3a/0x50
[<c0165528>] sys_poll+0x158/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c0103ee7>] do_notify_resume+0x37/0x3c
[<c01040c6>] work_notifysig+0x13/0x15
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0103ddf>] do_signal+0x8f/0x160
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0138b0f>] __get_free_pages+0x1f/0x40
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02dde55>] schedule_timeout+0xa5/0xb0
[<c015e382>] pipe_poll+0x32/0x90
[<c01652d2>] do_pollfd+0x52/0x90
[<c01653ac>] do_poll+0x9c/0xc0
[<c016557b>] sys_poll+0x1ab/0x230
[<c0164920>] __pollwait+0x0/0xc0
[<c010407b>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c016c65b>] inode_update_time+0xbb/0xc0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0117d17>] __wake_up_common+0x37/0x60
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0117d17>] __wake_up_common+0x37/0x60
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0117d17>] __wake_up_common+0x37/0x60
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c016c65b>] inode_update_time+0xbb/0xc0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c01040ed>] syscall_trace_entry+0x11/0x24
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c012610b>] ptrace_notify+0x5b/0x80
[<c0109070>] do_syscall_trace+0x40/0x70
[<c0104112>] syscall_exit_work+0x12/0x18
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c011768b>] try_to_wake_up+0x9b/0xb0
[<c01259dc>] finish_stop+0x3c/0x80
[<c0125df4>] get_signal_to_deliver+0x1b4/0x390
[<c0103ddf>] do_signal+0x8f/0x160
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c01c24e2>] copy_to_user+0x32/0x50
[<c012702e>] sys_rt_sigaction+0x9e/0xb0
[<c0103ee7>] do_notify_resume+0x37/0x3c
[<c01040c6>] work_notifysig+0x13/0x15
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
Warning: kfree_skb on hard IRQ d53ebea4
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0151cb8>] sys_read+0x68/0x70
[<c01040a2>] work_resched+0x5/0x16
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c02d9879>] unix_stream_recvmsg+0x1c9/0x410
[<c01185da>] sys_sched_yield+0x1a/0x20
[<c015d99b>] coredump_wait+0x2b/0x90
[<c015daca>] do_coredump+0xca/0x1e5
[<c01c1cdc>] memcpy+0x3c/0x50
[<c01c1d46>] memmove+0x36/0x50
[<c020ee89>] scrup+0x89/0x110
[<c0124365>] __dequeue_signal+0xf5/0x160
[<c01243f3>] dequeue_signal+0x23/0x90
[<c0125ee7>] get_signal_to_deliver+0x2a7/0x390
[<c0103ddf>] do_signal+0x8f/0x160
[<c011b389>] call_console_drivers+0x79/0x110
[<c011b787>] release_console_sem+0xd7/0xe0
[<c01c24e2>] copy_to_user+0x32/0x50
[<c012702e>] sys_rt_sigaction+0x9e/0xb0
[<c0103ee7>] do_notify_resume+0x37/0x3c
[<c01040c6>] work_notifysig+0x13/0x15
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c01175c9>] activate_task+0xb9/0xe0
[<c02dd9c8>] wait_for_completion+0x78/0x100
[<c0117cd0>] default_wake_function+0x0/0x10
[<c0117cd0>] default_wake_function+0x0/0x10
[<c015d937>] zap_threads+0x77/0xb0
[<c015d9ec>] coredump_wait+0x7c/0x90
[<c015daca>] do_coredump+0xca/0x1e5
[<c01c1cdc>] memcpy+0x3c/0x50
[<c01c1d46>] memmove+0x36/0x50
[<c020ee89>] scrup+0x89/0x110
[<c0124365>] __dequeue_signal+0xf5/0x160
[<c01243f3>] dequeue_signal+0x23/0x90
[<c0125ee7>] get_signal_to_deliver+0x2a7/0x390
[<c0103ddf>] do_signal+0x8f/0x160
[<c011b389>] call_console_drivers+0x79/0x110
[<c011b787>] release_console_sem+0xd7/0xe0
[<c01c24e2>] copy_to_user+0x32/0x50
[<c012702e>] sys_rt_sigaction+0x9e/0xb0
[<c0103ee7>] do_notify_resume+0x37/0x3c
[<c01040c6>] work_notifysig+0x13/0x15
Kernel panic - not syncing: Aiee, killing interrupt handler!
after next boot:
strace -p <pid of dhcpd>
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0124365>] __dequeue_signal+0xf5/0x160
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c0125cce>] get_signal_to_deliver+0x8e/0x390
[<c0103ddf>] do_signal+0x8f/0x160
[<c02dd689>] schedule+0x269/0x4e0
[<c01175c9>] activate_task+0xb9/0xe0
[<c02dd92a>] preempt_schedule+0x2a/0x50
[<c01c01b5>] rwsem_wake+0x145/0x190
[<c02dd689>] schedule+0x269/0x4e0
[<c012e8a0>] do_futex+0x80/0xb0
[<c0103240>] sys_rt_sigsuspend+0xa0/0xc0
[<c0104029>] sysenter_past_esp+0x52/0x71
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c012e8a0>] do_futex+0x80/0xb0
[<c0103235>] sys_rt_sigsuspend+0x95/0xc0
[<c0104029>] sysenter_past_esp+0x52/0x71
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0124365>] __dequeue_signal+0xf5/0x160
[<c012604c>] ptrace_notify_info+0x7c/0xe0
[<c0125cce>] get_signal_to_deliver+0x8e/0x390
[<c0103ddf>] do_signal+0x8f/0x160
[<c011b787>] release_console_sem+0xd7/0xe0
[<c0108a78>] sys_ptrace+0xf8/0x6b0
[<c0103240>] sys_rt_sigsuspend+0xa0/0xc0
[<c0104029>] sysenter_past_esp+0x52/0x71
bad: scheduling while atomic!
[<c02dd813>] schedule+0x3f3/0x4e0
[<c0103235>] sys_rt_sigsuspend+0x95/0xc0
[<c0104029>] sysenter_past_esp+0x52/0x71
^C strace, dhcpd hogs the cpu -
kill dhcpd
--freeze--
hope it helps,
Ralf
--
P: Linus Torvalds patch-2.2.4
-S: Buried alive in diapers
+S: Buried alive in reporters
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/