(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Tue, 29 Jul 2008 17:00:11 -0700 (PDT) bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=11175 > > Summary: ext3 BUG in add_dirent_to_buf+0x6c/0x269 > Product: File System > Version: 2.5 > KernelVersion: 2.6.25.8-vs2.3.x-vs2.3.0.34.12 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: ext3 > AssignedTo: akpm@xxxxxxxx > ReportedBy: kernel.bugzilla@xxxxxxxxxxx > > > Latest working kernel version: Didn't see this problem a few months ago but the > filesystem is new > Earliest failing kernel version: 2.6.25.8-vs2.3.x-vs2.3.0.34.12 (same as > submission) > Distribution: Debian unstable > Hardware Environment: Dell-brand ICH8-based Core 2 Duo > Software Environment: Debian unstable > Problem Description: > > I have a 1T disk I store backups on using rsync and hardlinks. Some usage > information: > > paulproteus@sf:~ $ df -k /dev/sdb1 > Filesystem 1K-blocks Used Available Use% Mounted on > /dev/sdb1 961432072 635100984 326331088 67% > /media/asheesh-big-backups > paulproteus@sf:~ $ df -i /dev/sdb1 > Filesystem Inodes IUsed IFree IUse% Mounted on > /dev/sdb1 122109952 9786584 112323368 9% > /media/asheesh-big-backups > > Sometimes, the system will hang on writes to that filesystem until I reboot. > Strangely, the problem seems to persist after an fsck -f. > > I reboot and fsck, and I can write again, but then I get it again. > > Steps to reproduce: > > * Wait a while > * Write to the filesystem > * Note that you get a BUG in dmesg and further writes to the filesystem hang > > ksymoops has this to say about the BUG: > > ksymoops 2.4.11 on i686 2.6.25.8-vs2.3.x-vs2.3.0.34.12. Options used > -V (default) > -k /proc/ksyms (default) > -l /proc/modules (default) > -o /lib/modules/2.6.25.8-vs2.3.x-vs2.3.0.34.12/ (default) > -m /boot/System.map-2.6.25.8-vs2.3.x-vs2.3.0.34.12 (default) > > Warning: You did not tell me where to find symbol information. I will > assume that the log matches the kernel and modules that are running > right now and I'll use the default options above for symbol resolution. > If the current kernel and/or modules do not match the log, you can get > more accurate output by telling me the kernel version and where to find > map, modules, ksyms etc. ksymoops -h explains the options. > > Error (regular_file): read_ksyms stat /proc/ksyms failed > No modules in ksyms, skipping objects > No ksyms, skipping lsmod > lo: Disabled Privacy Extensions > e1000e: Intel(R) PRO/1000 Network Driver - 0.2.0 > e1000e: Copyright (c) 1999-2007 Intel Corporation. > ehci_hcd 0000:00:1a.7: debug port 1 > ehci_hcd 0000:00:1d.7: debug port 1 > dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2) > warning: `dnsmasq' uses deprecated v2 capabilities in a way that may be > insecure. > warning: `avahi-daemon' uses 32-bit capabilities (legacy support in use) > Pid: 8603, comm: smtpd Not tainted 2.6.25.8-vs2.3.x-vs2.3.0.34.12 #3 > [<c01634a7>] oom_kill_process+0x43/0x18d > [<c01638fb>] out_of_memory+0x158/0x18d > [<c0165c6d>] __alloc_pages+0x22f/0x2b7 > [<c01755a8>] read_swap_cache_async+0x71/0xe0 > [<c0175654>] swapin_readahead+0x3d/0x6e > [<c016de6e>] handle_mm_fault+0x402/0x8cd > [<c0128846>] ? irq_exit+0x74/0x77 > [<c0110689>] ? smp_apic_timer_interrupt+0x6e/0x7c > [<c0105600>] ? apic_timer_interrupt+0x28/0x30 > [<c030021e>] do_page_fault+0x37c/0x725 > [<c01373a8>] ? enqueue_hrtimer+0xc8/0xd3 > [<c0137bf1>] ? hrtimer_start+0x154/0x16e > [<c011e8c1>] ? hrtick_set+0x98/0xe6 > [<c02ffea2>] ? do_page_fault+0x0/0x725 > [<c0104446>] ? do_notify_resume+0x735/0x74e > [<c0171d34>] ? mmap_region+0x187/0x405 > [<c0171eeb>] ? mmap_region+0x33e/0x405 > [<c010a8c2>] ? set_tls_desc+0x13d/0x156 > [<c010ad25>] ? do_set_thread_area+0xa6/0xba > [<c02ffea2>] ? do_page_fault+0x0/0x725 > [<c02fe952>] error_code+0x72/0x78 > [<c02f0000>] ? clip_ioctl+0x3f5/0x45c > CPU 0: hi: 0, btch: 1 usd: 0 > CPU 1: hi: 0, btch: 1 usd: 0 > CPU 0: hi: 186, btch: 31 usd: 149 > CPU 1: hi: 186, btch: 31 usd: 183 > CPU 0: hi: 186, btch: 31 usd: 136 > CPU 1: hi: 186, btch: 31 usd: 106 > 191968 total pagecache pages > 521809 pages of RAM > 292433 pages of HIGHMEM > 5290 reserved pages > 38300 pages shared > 189736 pages swap cached > 4584 pages slab > 1504 pages pagetables > BUG: unable to handle kernel paging request at f8000000 > *pde = 00000000 > Oops: 0000 [#1] PREEMPT SMP > Pid: 12197, comm: rsync Not tainted (2.6.25.8-vs2.3.x-vs2.3.0.34.12 #3) > EIP: 0060:[<f89c6854>] EFLAGS: 00210246 CPU: 1 > Using defaults from ksymoops -t elf32-i386 -a i386 > EAX: 00000000 EBX: f7fffe90 ECX: f7fffffe EDX: 00000000 > ESI: 00000000 EDI: 00000800 EBP: c248ddd0 ESP: c248dd5c > DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > Stack: f7d6b000 c248de64 c9960e80 dbc20504 c248ddb4 00001000 ddb78860 f0f2b4b0 > f8000000 f7d6a000 f7fff000 0000002e f7fffff8 c9ada62a 00000f78 c248ddd4 > f89c6b1a f7d6a000 f7fffe90 00000058 c9bd73f4 875f4d2a 00000002 f7b56068 > Call Trace: > [<f89c6b1a>] ? add_dirent_to_buf+0x6c/0x269 [ext3] > [<f89c70df>] ? ext3_add_entry+0x3c8/0x77f [ext3] > [<c012a34a>] ? capable+0x10/0x12 > [<c0184f38>] ? generic_permission+0x8c/0xc6 > [<c02fe715>] ? _spin_unlock+0xf/0x23 > [<f898ea69>] ? start_this_handle+0x2a7/0x2c6 [jbd] > [<f89c7a71>] ? ext3_add_nondir+0x15/0x42 [ext3] > [<f89c7c3a>] ? ext3_link+0xb4/0xea [ext3] > [<c0185c50>] ? vfs_link+0x132/0x1c3 > [<c01889ef>] ? sys_linkat+0xb2/0xee > [<c0181c36>] ? sys_lstat64+0x22/0x28 > [<c0188a3f>] ? sys_link+0x14/0x16 > [<c0104ad4>] ? sysenter_past_esp+0x6d/0xa5 > Code: 00 00 00 89 79 f8 89 f1 3b 4d d4 77 d7 85 c0 74 07 8b 75 bc 31 c0 eb ee > 8b 55 b8 8b 7d a0 8b 5d d4 d1 ef 8d 4c d3 fe 31 f6 31 d2 <8b> 19 83 e9 08 89 d8 > 66 d1 e8 0f b7 c0 8d 04 02 39 f8 77 08 0f > > > >>EIP; f89c6854 <END_OF_CODE+3852d854/????> <===== > > Trace; f89c6b1a <END_OF_CODE+3852db1a/????> > Trace; f89c70df <END_OF_CODE+3852e0df/????> > Trace; c012a34a <capable+10/12> > Trace; c0184f38 <generic_permission+8c/c6> > Trace; c02fe715 <_spin_unlock+f/23> > Trace; f898ea69 <END_OF_CODE+384f5a69/????> > Trace; f89c7a71 <END_OF_CODE+3852ea71/????> > Trace; f89c7c3a <END_OF_CODE+3852ec3a/????> > Trace; c0185c50 <vfs_link+132/1c3> > Trace; c01889ef <sys_linkat+b2/ee> > Trace; c0181c36 <sys_lstat64+22/28> > Trace; c0188a3f <sys_link+14/16> > Trace; c0104ad4 <sysenter_past_esp+6d/a5> > > Code; f89c6829 <END_OF_CODE+3852d829/????> > 00000000 <_EIP>: > Code; f89c6829 <END_OF_CODE+3852d829/????> > 0: 00 00 add %al,(%eax) > Code; f89c682b <END_OF_CODE+3852d82b/????> > 2: 00 89 79 f8 89 f1 add %cl,-0xe760787(%ecx) > Code; f89c6831 <END_OF_CODE+3852d831/????> > 8: 3b 4d d4 cmp -0x2c(%ebp),%ecx > Code; f89c6834 <END_OF_CODE+3852d834/????> > b: 77 d7 ja ffffffe4 <_EIP+0xffffffe4> > Code; f89c6836 <END_OF_CODE+3852d836/????> > d: 85 c0 test %eax,%eax > Code; f89c6838 <END_OF_CODE+3852d838/????> > f: 74 07 je 18 <_EIP+0x18> > Code; f89c683a <END_OF_CODE+3852d83a/????> > 11: 8b 75 bc mov -0x44(%ebp),%esi > Code; f89c683d <END_OF_CODE+3852d83d/????> > 14: 31 c0 xor %eax,%eax > Code; f89c683f <END_OF_CODE+3852d83f/????> > 16: eb ee jmp 6 <_EIP+0x6> > Code; f89c6841 <END_OF_CODE+3852d841/????> > 18: 8b 55 b8 mov -0x48(%ebp),%edx > Code; f89c6844 <END_OF_CODE+3852d844/????> > 1b: 8b 7d a0 mov -0x60(%ebp),%edi > Code; f89c6847 <END_OF_CODE+3852d847/????> > 1e: 8b 5d d4 mov -0x2c(%ebp),%ebx > Code; f89c684a <END_OF_CODE+3852d84a/????> > 21: d1 ef shr %edi > Code; f89c684c <END_OF_CODE+3852d84c/????> > 23: 8d 4c d3 fe lea -0x2(%ebx,%edx,8),%ecx > Code; f89c6850 <END_OF_CODE+3852d850/????> > 27: 31 f6 xor %esi,%esi > Code; f89c6852 <END_OF_CODE+3852d852/????> > 29: 31 d2 xor %edx,%edx > Code; f89c6854 <END_OF_CODE+3852d854/????> <===== > 2b: 8b 19 mov (%ecx),%ebx <===== > Code; f89c6856 <END_OF_CODE+3852d856/????> > 2d: 83 e9 08 sub $0x8,%ecx > Code; f89c6859 <END_OF_CODE+3852d859/????> > 30: 89 d8 mov %ebx,%eax > Code; f89c685b <END_OF_CODE+3852d85b/????> > 32: 66 d1 e8 shr %ax > Code; f89c685e <END_OF_CODE+3852d85e/????> > 35: 0f b7 c0 movzwl %ax,%eax > Code; f89c6861 <END_OF_CODE+3852d861/????> > 38: 8d 04 02 lea (%edx,%eax,1),%eax > Code; f89c6864 <END_OF_CODE+3852d864/????> > 3b: 39 f8 cmp %edi,%eax > Code; f89c6866 <END_OF_CODE+3852d866/????> > 3d: 77 08 ja 47 <_EIP+0x47> > Code; f89c6868 <END_OF_CODE+3852d868/????> > 3f: > > EIP: [<f89c6854>] do_split+0x1ee/0x419 [ext3] SS:ESP 0068:c248dd5c > Warning (Oops_read): Code line not seen, dumping what data is available > > > >>EIP; f89c6854 <END_OF_CODE+3852d854/????> <===== > > > 2 warnings and 1 error issued. 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