this is my stupid 'fix' in -mm2. sorry for this.
please, apply fix from Andrew
--- linux-2.5.74/fs/ext3/inode.c~ext3-getblk-race-fix Wed Jul 16 15:04:33 2003
+++ linux-2.5.74-alexey/fs/ext3/inode.c Mon Jul 21 14:36:37 2003
@@ -936,14 +936,12 @@ struct buffer_head *ext3_getblk(handle_t
ext3_get_block instead, so it's not a
problem. */
lock_buffer(bh);
- if (!buffer_uptodate(bh)) {
- BUFFER_TRACE(bh, "call get_create_access");
- fatal = ext3_journal_get_create_access(handle, bh);
- if (!fatal) {
- memset(bh->b_data, 0,
- inode->i_sb->s_blocksize);
- set_buffer_uptodate(bh);
- }
+ BUFFER_TRACE(bh, "call get_create_access");
+ fatal = ext3_journal_get_create_access(handle, bh);
+ if (!fatal && !buffer_uptodate(bh)) {
+ memset(bh->b_data, 0,
+ inode->i_sb->s_blocksize);
+ set_buffer_uptodate(bh);
}
unlock_buffer(bh);
BUFFER_TRACE(bh, "call ext3_journal_dirty_metadata");
_
>>>>> Konstantin Kletschke (KK) writes:
KK> Hi!
KK> @home on i845PE and @work on SiS730 I got ext3 Oopses on more than
KK> normal (not heavy) ide disk I/O:
KK> kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000014
KK> kernel: printing eip:
KK> kernel: c01d37ac
KK> kernel: *pde = 00000000
KK> kernel: Oops: 0000 [#1]
KK> kernel: PREEMPT DEBUG_PAGEALLOC
KK> kernel: CPU: 0
KK> kernel: EIP: 0060:[journal_dirty_metadata+92/912] Not tainted VLI
KK> kernel: EFLAGS: 00010246
KK> kernel: EIP is at journal_dirty_metadata+0x5c/0x390
KK> kernel: eax: 00000000 ebx: dac7f004 ecx: 00000000 edx: cb1a63b4
KK> kernel: esi: c0f60f04 edi: 00000000 ebp: cb5b0004 esp: c53e9e5c
KK> kernel: ds: 007b es: 007b ss: 0068
KK> kernel: Process cvs (pid: 791, threadinfo=c53e8000 task=c0f4e000)
KK> kernel: Stack: 00001000 dbaee658 c01732e7 dbaee658 c0170673 c0f60f04 c0f60f04 c0f60f04
KK> kernel: cb1a63b4 00000001 ca7720c4 c01c272c cb1a63b4 c0f60f04 00000000 00001000
KK> kernel: c53e9eac 00000001 00000001 00000000 00000030 ca772040 c01c0cda da5e7d04
KK> kernel: Call Trace:
KK> kernel: [__getblk+55/112] __getblk+0x37/0x70
KK> kernel: [wake_up_buffer+19/64] wake_up_buffer+0x13/0x40
KK> kernel: [ext3_getblk+252/688] ext3_getblk+0xfc/0x2b0
KK> kernel: [ext3_new_inode+442/2144] ext3_new_inode+0x1ba/0x860
KK> kernel: [kmem_cache_alloc+156/432] kmem_cache_alloc+0x9c/0x1b0
KK> kernel: [ext3_bread+51/192] ext3_bread+0x33/0xc0
KK> kernel: [ext3_mkdir+212/720] ext3_mkdir+0xd4/0x2d0
KK> kernel: [ext3_mkdir+0/720] ext3_mkdir+0x0/0x2d0
KK> kernel: [vfs_mkdir+116/208] vfs_mkdir+0x74/0xd0
KK> kernel: [sys_mkdir+183/256] sys_mkdir+0xb7/0x100
KK> kernel: [sys_munmap+88/128] sys_munmap+0x58/0x80
KK> kernel: [syscall_call+7/11] syscall_call+0x7/0xb
KK> kernel:
KK> kernel: Code: ff 40 14 0f ba 2e 10 19 c0 85 c0 74 1a 89 f6 0f ba 26 10 19 c0 85
KK> c0 0f 85 36 03 00 00 0f ba 2e 10 19 c0 85 c0 75 e8 8b 54 24 30 <8b>
KK> 47 14 3b 02 0f 84 d1 02 00 00 b8 00 e0 ff ff 21 e0 ff 40 14
KK> kernel: <6>note: cvs[791] exited with preempt_count 1
KK> kernel: Debug: sleeping function called from invalid context at include/asm/semaphore.h:119
KK> kernel: Call Trace:
KK> kernel: [__might_sleep+95/112] __might_sleep+0x5f/0x70
KK> kernel: [remove_shared_vm_struct+62/160] remove_shared_vm_struct+0x3e/0xa0
KK> kernel: [exit_mmap+475/704] exit_mmap+0x1db/0x2c0
KK> kernel: [do_page_fault+0/1155] do_page_fault+0x0/0x483
KK> kernel: [mmput+197/368] mmput+0xc5/0x170
KK> kernel: [do_exit+412/2368] do_exit+0x19c/0x940
KK> kernel: [do_page_fault+0/1155] do_page_fault+0x0/0x483
KK> kernel: [die+587/592] die+0x24b/0x250
KK> kernel: [do_page_fault+300/1155] do_page_fault+0x12c/0x483
KK> kernel: [ext3_mark_iloc_dirty+40/64] ext3_mark_iloc_dirty+0x28/0x40
KK> kernel: [ext3_mark_inode_dirty+79/96] ext3_mark_inode_dirty+0x4f/0x60
KK> kernel: [find_get_page+121/352] find_get_page+0x79/0x160
KK> kernel: [bh_lru_install+168/224] bh_lru_install+0xa8/0xe0
KK> kernel: [do_page_fault+0/1155] do_page_fault+0x0/0x483
KK> kernel: [error_code+45/56] error_code+0x2d/0x38
KK> kernel: [journal_dirty_metadata+92/912] journal_dirty_metadata+0x5c/0x390
KK> kernel: [__getblk+55/112] __getblk+0x37/0x70
KK> kernel: [wake_up_buffer+19/64] wake_up_buffer+0x13/0x40
KK> kernel: [ext3_getblk+252/688] ext3_getblk+0xfc/0x2b0
KK> kernel: [ext3_new_inode+442/2144] ext3_new_inode+0x1ba/0x860
KK> kernel: [kmem_cache_alloc+156/432] kmem_cache_alloc+0x9c/0x1b0
KK> kernel: [ext3_bread+51/192] ext3_bread+0x33/0xc0
KK> kernel: [ext3_mkdir+212/720] ext3_mkdir+0xd4/0x2d0
KK> kernel: [ext3_mkdir+0/720] ext3_mkdir+0x0/0x2d0
KK> kernel: [vfs_mkdir+116/208] vfs_mkdir+0x74/0xd0
KK> kernel: [sys_mkdir+183/256] sys_mkdir+0xb7/0x100
KK> kernel: [sys_munmap+88/128] sys_munmap+0x58/0x80
KK> kernel: [syscall_call+7/11] syscall_call+0x7/0xb
KK> kernel:
KK> I too experinced that this kernel is not able too mount root at
KK> /dev/hda1 but giving him the devfs name of the partition helped :-)
KK> Konsti
KK> --
KK> 2.5.73-mm2
KK> Konstantin Kletschke <konsti@ludenkalle.de>, <konsti@ku-gbr.de>
KK> GPG KeyID EF62FCEF
KK> Fingerprint: 13C9 B16B 9844 EC15 CC2E A080 1E69 3FDA EF62 FCEF
KK> keulator.homelinux.org up 39 min, 1
KK> -
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