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SubjectRe: PROBLEM: Kernel 2.6.10 crashing repeatedly and hard
From
Date
 || On Thu, 30 Dec 2004 12:40:52 -0800 (PST)
|| Linus Torvalds <torvalds@osdl.org> wrote:

>> This is what I could preserve in output from the crashes:

lt> Any chance that you can get a full oops, with register info?
lt> Right now your errors only have the call trace, not the registers
lt> or the EIP itself..

Yes, for the first two times, the top of the crash report scrolled off
the screen and I don't have a serial console handy. The third crash
contained the

EFLAGS: 00010002 (2.6.10)
EIP is at free_block+0x45/0xd0
eax: 46484849 ebx: df2b1000 ecx: df2b1050 edx: df2ab000
esi: c183cd80 edi: 00000001 ebp: 00000018 esp: c188fef8
ds: 007b es: 007b ss: 0068
Process events/0 (pid: 6, threadinfo:c188e000 task=c185ca20)
Stack: c183cdb8 c1858810 c1858800 00000018 c183cd80 c0141724 c183cd80 c1858810
00000018 c183ccb8 c183cd80 00000002 c183cce0 c01417c6 c183cd80 c1858800
00000000 c183ccb8 c183ce10 00000003 c170fc20 c183b000 c170fc24 00000000

header, which I think may contain what you were looking for.

But I have something better to offer -- today, when trying ext3 on
raid5 directly, I also got the following dumped to syslog:

Unable to handle kernel paging request at virtual address 24232428
printing eip:
c0140ef2
*pde = 00000000
Oops: 0002 [#1]
PREEMPT SMP
Modules linked in: w83627hf lm75 eeprom i2c_sensor i2c_isa 8139cp eth1394 dvb_ttpci saa7146_vv saa7146 ves1820 stv0299 tda8083 stv0297 sp8870 ves1x93 ttpci_eeprom ohci1394 ieee1394 snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd snd_page_alloc i2c_i801 ehci_hcd uhci_hcd shpchp pci_hotplug 8250_pnp 8250 serial_core pcspkr tsdev tuner tvaudio msp3400 bttv video_buf firmware_class i2c_algo_bit btcx_risc i2c_core lirc_serial lirc_dev 8139too
CPU: 1
EIP: 0060:[cache_alloc_refill+258/560] Not tainted
EFLAGS: 00010046 (2.6.10-lirc)
EIP is at cache_alloc_refill+0x102/0x230
eax: 24232424 ebx: c1855600 ecx: e30f0000 edx: c182d9a8
esi: ffffffff edi: e30f0018 ebp: c1855610 esp: ccbc3c38
ds: 007b es: 007b ss: 0068
Process cp (pid: 7568, threadinfo=ccbc2000 task=e4d90a20)
Stack: e30f0018 c182d9e0 c182d9a8 c182d9b0 00000246 00000000 00001000 c111b9a0
c01411d8 c182d980 00000050 00000050 c0158be3 c182d980 00000050 00000000
00000000 c01565fe 00000050 c111b9a0 00000000 c111b9a0 00001000 c0156ea8
Call Trace:
[kmem_cache_alloc+56/64] kmem_cache_alloc+0x38/0x40
[alloc_buffer_head+19/96] alloc_buffer_head+0x13/0x60
[alloc_page_buffers+30/144] alloc_page_buffers+0x1e/0x90
[create_empty_buffers+24/144] create_empty_buffers+0x18/0x90
[__block_prepare_write+883/960] __block_prepare_write+0x373/0x3c0
[block_prepare_write+32/48] block_prepare_write+0x20/0x30
[ext3_get_block+0/112] ext3_get_block+0x0/0x70
[ext3_prepare_write+88/272] ext3_prepare_write+0x58/0x110
[ext3_get_block+0/112] ext3_get_block+0x0/0x70
[generic_file_buffered_write+415/1536] generic_file_buffered_write+0x19f/0x600
[update_atime+110/176] update_atime+0x6e/0xb0
[inode_update_time+130/176] inode_update_time+0x82/0xb0
[__generic_file_aio_write_nolock+595/1152] __generic_file_aio_write_nolock+0x253/0x480
[generic_file_aio_write_nolock+55/144] generic_file_aio_write_nolock+0x37/0x90
[generic_file_aio_write+96/192] generic_file_aio_write+0x60/0xc0
[ext3_file_write+42/160] ext3_file_write+0x2a/0xa0
[do_sync_write+171/224] do_sync_write+0xab/0xe0
[autoremove_wake_function+0/64] autoremove_wake_function+0x0/0x40
[scheduler_tick+269/1184] scheduler_tick+0x10d/0x4a0
[vfs_write+140/208] vfs_write+0x8c/0xd0
[sys_write+61/112] sys_write+0x3d/0x70
[syscall_call+7/11] syscall_call+0x7/0xb
Code: 14 42 25 ff ff 00 00 89 51 10 8b 3c 24 66 8b 04 47 66 89 41 14 8b 44 24 24 3b 50 58 73 06 4e 83 fe ff 75 b5 8b 51 04
01 10 00 c7 41 04 00 02 20 00 66 83 79 14 ff
<6>note: cp[7568] exited with preempt_count 1
Assertion failure in journal_start() at fs/jbd/transaction.c:271: "handle->h_transaction->t_journal == journal"
------------[ cut here ]------------
kernel BUG at fs/jbd/transaction.c:271!
invalid operand: 0000 [#2]
PREEMPT SMP
Modules linked in: w83627hf lm75 eeprom i2c_sensor i2c_isa 8139cp eth1394 dvb_ttpci saa7146_vv saa7146 ves1820 stv0299 tda8083 stv0297 sp8870 ves1x93 ttpci_eeprom ohci1394 ieee1394 snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd snd_page_alloc i2c_i801 ehci_hcd uhci_hcd shpchp pci_hotplug 8250_pnp 8250 serial_core pcspkr tsdev tuner tvaudio msp3400 bttv video_buf firmware_class i2c_algo_bit btcx_risc i2c_core lirc_serial lirc_dev 8139too
CPU: 1
EIP: 0060:[journal_start+71/176] Not tainted
EFLAGS: 00010246 (2.6.10-lirc)
EIP is at journal_start+0x47/0xb0
eax: 00000073 ebx: f69238bc ecx: ccbc3860 edx: c03e7e20
esi: f7cade00 edi: ccbc2000 ebp: f2593164 esp: ccbc385c
ds: 007b es: 007b ss: 0068
Process cp (pid: 7568, threadinfo=ccbc2000 task=e4d90a20)
Stack: c03e7e20 c03cbe02 c03e4c5a 0000010f c03ea860 c1be2400 f69238bc f2593164
c0191cc4 f7cade00 00000002 00000001 41d428b6 24a3b2da c0173b3b f2593164
00000001 00009033 00009033 c1be2400 f2593164 41d428b6 24a3b2da 00000001
Call Trace:
[ext3_dirty_inode+36/112] ext3_dirty_inode+0x24/0x70
[__mark_inode_dirty+411/432] __mark_inode_dirty+0x19b/0x1b0
[inode_update_time+161/176] inode_update_time+0xa1/0xb0
[__generic_file_aio_write_nolock+538/1152] __generic_file_aio_write_nolock+0x21a/0x480
[generic_file_aio_write_nolock+55/144] generic_file_aio_write_nolock+0x37/0x90
[generic_file_aio_write+96/192] generic_file_aio_write+0x60/0xc0
[ext3_file_write+42/160] ext3_file_write+0x2a/0xa0
[do_sync_write+171/224] do_sync_write+0xab/0xe0
[getnstimeofday+15/48] getnstimeofday+0xf/0x30
[autoremove_wake_function+0/64] autoremove_wake_function+0x0/0x40
[do_posix_clock_monotonic_gettime+16/64] do_posix_clock_monotonic_gettime+0x10/0x40
[do_acct_process+872/912] do_acct_process+0x368/0x390
[acct_process+59/82] acct_process+0x3b/0x52
[do_exit+1029/1136] do_exit+0x405/0x470
[die+361/368] die+0x169/0x170
[do_page_fault+490/1418] do_page_fault+0x1ea/0x58a
[do_page_fault+0/1418] do_page_fault+0x0/0x58a
[do_page_fault+514/1418] do_page_fault+0x202/0x58a
[__getblk+23/48] __getblk+0x17/0x30
[ext3_do_update_inode+332/912] ext3_do_update_inode+0x14c/0x390
[ext3_do_update_inode+382/912] ext3_do_update_inode+0x17e/0x390
[ext3_mark_iloc_dirty+27/48] ext3_mark_iloc_dirty+0x1b/0x30
[ext3_mark_inode_dirty+46/64] ext3_mark_inode_dirty+0x2e/0x40
[do_get_write_access+665/1616] do_get_write_access+0x299/0x650
[do_page_fault+0/1418] do_page_fault+0x0/0x58a
[error_code+43/48] error_code+0x2b/0x30
[cache_alloc_refill+258/560] cache_alloc_refill+0x102/0x230
[kmem_cache_alloc+56/64] kmem_cache_alloc+0x38/0x40
[alloc_buffer_head+19/96] alloc_buffer_head+0x13/0x60
[alloc_page_buffers+30/144] alloc_page_buffers+0x1e/0x90
[create_empty_buffers+24/144] create_empty_buffers+0x18/0x90
[__block_prepare_write+883/960] __block_prepare_write+0x373/0x3c0
[block_prepare_write+32/48] block_prepare_write+0x20/0x30
[ext3_get_block+0/112] ext3_get_block+0x0/0x70
[ext3_prepare_write+88/272] ext3_prepare_write+0x58/0x110
[ext3_get_block+0/112] ext3_get_block+0x0/0x70
[generic_file_buffered_write+415/1536] generic_file_buffered_write+0x19f/0x600
[update_atime+110/176] update_atime+0x6e/0xb0
[inode_update_time+130/176] inode_update_time+0x82/0xb0
[__generic_file_aio_write_nolock+595/1152] __generic_file_aio_write_nolock+0x253/0x480
[generic_file_aio_write_nolock+55/144] generic_file_aio_write_nolock+0x37/0x90
[generic_file_aio_write+96/192] generic_file_aio_write+0x60/0xc0
[ext3_file_write+42/160] ext3_file_write+0x2a/0xa0
[do_sync_write+171/224] do_sync_write+0xab/0xe0
[autoremove_wake_function+0/64] autoremove_wake_function+0x0/0x40
[scheduler_tick+269/1184] scheduler_tick+0x10d/0x4a0
[vfs_write+140/208] vfs_write+0x8c/0xd0
[sys_write+61/112] sys_write+0x3d/0x70
[syscall_call+7/11] syscall_call+0x7/0xb
Code: ff 74 3c 85 db 74 3c 8b 03 39 30 74 29 68 60 a8 3e c0 68 0f 01 00 00 68 5a 4c 3e c0 68 02 be 3c c0 68 20 7e 3e c0 e8
3e c0 83 c4 14 8b 73 08 46 89 73 08 89 d8 5b
<6>note: cp[7568] exited with preempt_count 1


Meanwhile, because of the trouble, I gave Alans patch-2.6.10-ac1 a try
and again put ext3 on dm-crypt on raid5, and: No crash so far despite
moving and removing ~100 gigabytes a couple of times on to/from the
partition.

Let's keep the fingers crossed this will hold.


I did however get occasional

EXT3-fs error (device dm-0): ext3_readdir: bad entry in directory #37306376: directory entry across blocks - offset=0, inode=3350155169, rec_len=11148, name_len=1
Aborting journal on device dm-0.
ext3_abort called.
EXT3-fs error (device dm-0): ext3_journal_start_sb: Detected aborted journal
Remounting filesystem read-only
EXT3-fs error (device dm-0) in start_transaction: Journal has aborted
EXT3-fs error (device dm-0) in ext3_ordered_writepage: IO failure
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_frozen_data
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_frozen_data

messages, leaving the partition intact, but mounted read-only.

These seem to be related to the bttv being in use. I got lots of

bttv0: OCERR @ 36a09014,bits: HSYNC OFLOW RISCI* FBUS OCERR*
bttv0: OCERR @ 36a09014,bits: HSYNC OFLOW OCERR*
bttv0: OCERR @ 36a09000,bits: HSYNC OFLOW OCERR*
bttv0: OCERR @ 36a09014,bits: OFLOW OCERR*
bttv0: OCERR @ 36a09000,bits: HSYNC OFLOW OCERR*
bttv0: IRQ lockup, cleared int mask [bits: HSYNC OFLOW OCERR*]
bttv0: timeout: drop=0 irq=139531/451361, risc=36a09014, bits: VSYNC HSYNC OFLOW FBUS OCERR SCERR
bttv0: reset, reinitialize
bttv0: PLL: 28636363 => 35468950 . ok

messages (once per 0.5 seconds or so) until I stopped the mythtv
process that used the bttv card. Ever since I have also not seen the
problems with EXT3 and it remained mounted as read/write.


In essence: Whatever Alan put into his -ac1 patch helped, but there
still seems to be some sort of IRQ/driver/coordination problem with
the DVB code.

Hope this helps -- if you need more info, please let me know.

Regards,
Georg

--
Georg C. F. Greve <greve@fsfeurope.org>
Free Software Foundation Europe (http://fsfeurope.org)
GNU Business Network (http://mailman.gnubiz.org)
Brave GNU World (http://brave-gnu-world.org)
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