[ACPI?] what we can learn from running kernel with debugging enabled
From: Grzegorz Kulewski
Date: Sat Oct 02 2004 - 17:59:09 EST
Hi,
I was going to debug some problem with reiser4 and I compiled kernel with
all debuging enabled.
This is what I got:
Oct 3 00:26:03 kangur Capability LSM initialized
Oct 3 00:26:03 kangur CSLIP: code copyright 1989 Regents of the
University of California
Oct 3 00:26:03 kangur PPP generic driver version 2.4.2
Oct 3 00:26:03 kangur PPP Deflate Compression module registered
Oct 3 00:26:03 kangur NET: Registered protocol family 8
Oct 3 00:26:03 kangur NET: Registered protocol family 20
Oct 3 00:26:03 kangur input: PS/2 Generic Mouse on isa0060/serio1
Oct 3 00:26:03 kangur Unable to handle kernel paging request at virtual
address b06685a0
Oct 3 00:26:03 kangur printing eip:
Oct 3 00:26:03 kangur b03ffc7b
Oct 3 00:26:03 kangur *pde = 006bf027
Oct 3 00:26:03 kangur *pte = 00668000
Oct 3 00:26:03 kangur Oops: 0002 [#1]
Oct 3 00:26:03 kangur PREEMPT DEBUG_PAGEALLOC
Oct 3 00:26:03 kangur Modules linked in: ac psmouse pppoatm atm
ppp_deflate zlib_deflate zlib_inflate ppp_generic slhc capability
commoncap unix
Oct 3 00:26:03 kangur CPU: 0
Oct 3 00:26:03 kangur EIP: 0060:[<b03ffc7b>] Not tainted
Oct 3 00:26:03 kangur EFLAGS: 00010246 (2.6.8.1-cko8)
Oct 3 00:26:03 kangur EIP is at acpi_bus_register_driver+0xd5/0x16e
Oct 3 00:26:03 kangur eax: b06685a0 ebx: f0902140 ecx: 000001f2
edx: ffffffed
Oct 3 00:26:03 kangur esi: ed2ad000 edi: f0902280 ebp: ed2adf84
esp: ed2adf80
Oct 3 00:26:03 kangur ds: 007b es: 007b ss: 0068
Oct 3 00:26:03 kangur Process modprobe (pid: 888, threadinfo=ed2ad000
task=ed2ac9e0)
Oct 3 00:26:03 kangur Stack: b059b500 ed2adf8c f08c2032 ed2adfbc b01445e0
ed142f54 ed6ded30 ee371d90
Oct 3 00:26:03 kangur ed2dcd50 ed2dcd70 00000000 ed2adfbc 3aacc008
0805b178 41562cbb ed2ad000
Oct 3 00:26:03 kangur b01058bd 3aacc008 0002f371 0805b178 0805b178
41562cbb 0805b178 00000080
Oct 3 00:26:03 kangur Call Trace:
Oct 3 00:26:03 kangur [<b010670a>] show_stack+0x7a/0x90
Oct 3 00:26:03 kangur [<b010688d>] show_registers+0x14d/0x1a0
Oct 3 00:26:03 kangur [<b0106a79>] die+0xf9/0x250
Oct 3 00:26:03 kangur [<b011b7e3>] do_page_fault+0x1d3/0x55b
Oct 3 00:26:03 kangur [<b0106399>] error_code+0x2d/0x38
Oct 3 00:26:03 kangur [<f08c2032>] init_module+0x32/0x51 [ac]
Oct 3 00:26:03 kangur [<b01445e0>] sys_init_module+0x1c0/0x390
Oct 3 00:26:03 kangur [<b01058bd>] sysenter_past_esp+0x52/0x71
Oct 3 00:26:03 kangur Code: 89 18 81 3d c8 e4 5a b0 3c 4b 24 1d 74 1c 68
c8 e4 5a b0 68
Oct 3 00:26:03 kangur <6>note: modprobe[888] exited with preempt_count 1
Oct 3 00:26:03 kangur Debug: sleeping function called from invalid
context at include/linux/rwsem.h:43
Oct 3 00:26:03 kangur in_atomic():1, irqs_disabled():0
Oct 3 00:26:03 kangur [<b0106737>] dump_stack+0x17/0x20
Oct 3 00:26:03 kangur [<b011fa84>] __might_sleep+0xb4/0xe0
Oct 3 00:26:03 kangur [<b01273ef>] do_exit+0xaf/0x9a0
Oct 3 00:26:03 kangur [<b0106bc7>] die+0x247/0x250
Oct 3 00:26:03 kangur [<b011b7e3>] do_page_fault+0x1d3/0x55b
Oct 3 00:26:03 kangur [<b0106399>] error_code+0x2d/0x38
Oct 3 00:26:03 kangur [<f08c2032>] init_module+0x32/0x51 [ac]
Oct 3 00:26:03 kangur [<b01445e0>] sys_init_module+0x1c0/0x390
Oct 3 00:26:03 kangur [<b01058bd>] sysenter_past_esp+0x52/0x71
Oct 3 00:26:03 kangur bad: scheduling while atomic!
Oct 3 00:26:03 kangur [<b0106737>] dump_stack+0x17/0x20
Oct 3 00:26:03 kangur [<b04f31f4>] schedule+0x634/0x640
Oct 3 00:26:03 kangur [<b015b218>] unmap_vmas+0x2a8/0x320
Oct 3 00:26:03 kangur [<b0160c88>] exit_mmap+0xc8/0x270
Oct 3 00:26:03 kangur [<b012093d>] mmput+0xad/0x110
Oct 3 00:26:03 kangur [<b0127514>] do_exit+0x1d4/0x9a0
Oct 3 00:26:03 kangur [<b0106bc7>] die+0x247/0x250
Oct 3 00:26:03 kangur [<b011b7e3>] do_page_fault+0x1d3/0x55b
Oct 3 00:26:03 kangur [<b0106399>] error_code+0x2d/0x38
Oct 3 00:26:03 kangur [<f08c2032>] init_module+0x32/0x51 [ac]
Oct 3 00:26:03 kangur [<b01445e0>] sys_init_module+0x1c0/0x390
Oct 3 00:26:03 kangur [<b01058bd>] sysenter_past_esp+0x52/0x71
Oct 3 00:26:03 kangur drivers/acpi/scan.c:445:
spin_lock(drivers/acpi/scan.c:b05ae4c8) already locked by
drivers/acpi/scan.c/445
Oct 3 00:26:03 kangur ACPI: Power Button (FF) [PWRF]
Oct 3 00:26:03 kangur ACPI: Sleep Button (CM) [SLPB]
Oct 3 00:26:03 kangur ACPI: Processor [CPU0] (supports C1, 2 throttling
states)
Oct 3 00:26:03 kangur input: PC Speaker
Oct 3 00:26:03 kangur inserting floppy driver for 2.6.8.1-cko8
Oct 3 00:26:03 kangur Floppy drive(s): fd0 is 1.44M
Oct 3 00:26:03 kangur FDC 0 is a post-1991 82077
Oct 3 00:26:03 kangur loop: loaded (max 8 devices)
I am currently using 2.6.8.1-cko8 and can reproduce this problem every
time. This message is not displayed when debuging is disabled.
Could somebody look at it?
Thanks,
Grzegorz Kulewski
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