[Bug-tar] Re: I just got got another Oops

[KAMEZAWA Hiroyuki]

On Thu, 12 Mar 2009 01:33:11 -0400
Gene Heskett <address@hidden> wrote:

> Greetings all;
> 
> This is the 2nd or 3rd one of these I've seen.
> 
Could you show me .config and disassemble of get_page_from_freelist()?

Thanks,
-Kame

> This one may have a better set of clues as it occured about 1 second 
> after amanda started the backup run:
> ==============================
> Mar 12 01:15:01 coyote xinetd[2583]: START: amanda pid=8970 
> from=::ffff:192.168.71.3                                                     
> Mar 12 01:16:21 coyote kernel: [10353.910914] BUG: unable to handle kernel 
> NULL pointer dereference at 00000006                          
> Mar 12 01:16:21 coyote kernel: [10353.910921] IP: [<c046520b>] 
> get_page_from_freelist+0x24b/0x4c0                                        
> Mar 12 01:16:21 coyote kernel: [10353.910929] *pdpt = 0000000000b38001 *pde = 
> 0000000000000000                                           
> Mar 12 01:16:21 coyote kernel: [10353.910934] Oops: 0000 [#1] PREEMPT SMP     
>                                                            
> Mar 12 01:16:21 coyote kernel: [10353.910937] last sysfs file: 
> /sys/devices/pci0000:00/0000:00:09.0/irq                                  
> Mar 12 01:16:21 coyote kernel: [10353.910940] Modules linked in: nls_utf8 
> cifs radeon drm nfsd lockd nfs_acl auth_rpcgss rfcomm 
> exportfs sco bridge stp llc bnep l2cap autofs4 sunrpc ipv6 or51132 cx88_dvb 
> snd_emu10k1_synth videobuf_dvb snd_emux_synth 
> dvb_core snd_seq_virmidi snd_seq_midi_emul tuner_simple tuner_types 
> snd_emu10k1 tda9887 snd_rawmidi tda8290 snd_ac97_codec 
> ac97_bus snd_seq_dummy snd_seq_oss tuner snd_seq_midi_event snd_seq 
> snd_pcm_oss cx8800 cx8802 cx88xx snd_mixer_oss snd_pcm 
> snd_seq_device ir_common v4l2_common videodev i2c_algo_bit snd_timer 
> snd_page_alloc tveeprom v4l1_compat snd_util_mem btcx_risc 
> snd_hwdep ftdi_sio videobuf_dma_sg usb_storage snd forcedethfirewire_ohci 
> floppy videobuf_core btusb firewire_core usbserial 
> sr_mod usblp bluetooth cdrom sg soundcore i2c_nforce2 pcspkr crc_itu_t joydev 
> i2c_core evdev button ahci pata_jmicron pata_amd 
> ata_generic pata_acpi sata_nv libata sd_mod scsi_mod ext3 jbd mbcache 
> uhci_hcd ohci_hcd ehci_hcd [last unloaded: 
> scsi_wait_scan]
> Mar 12 01:16:21 coyote kernel: [10353.910986]
> Mar 12 01:16:21 coyote kernel: [10353.910989] Pid: 9222, comm: tar Not 
> tainted (2.6.29-rc7 #4) System Product Name
> Mar 12 01:16:21 coyote kernel: [10353.910992] EIP: 0060:[<c046520b>] EFLAGS: 
> 00210202 CPU: 2
> Mar 12 01:16:21 coyote kernel: [10353.910995] EIP is at 
> get_page_from_freelist+0x24b/0x4c0
> Mar 12 01:16:21 coyote kernel: [10353.910997] EAX: ffffffff EBX: 80004000 
> ECX: 00000001 EDX: 00000002
> Mar 12 01:16:21 coyote kernel: [10353.910999] ESI: c28fc260 EDI: 00000000 
> EBP: c0b35d5c ESP: c0b35cfc
> Mar 12 01:16:21 coyote kernel: [10353.911001]  DS: 007b ES: 007b FS: 00d8 GS: 
> 0033 SS: 0068
> Mar 12 01:16:21 coyote kernel: [10353.911004] Process tar (pid: 9222, 
> ti=c0b35000 task=f2817520 task.ti=c0b35000)
> Mar 12 01:16:21 coyote kernel: [10353.911005] Stack:
> Mar 12 01:16:21 coyote kernel: [10353.911006]  00000002 00000044 00000000 
> 00000000 00000000 c0744b80 c06d6480 00000002
> Mar 12 01:16:21 coyote kernel: [10353.911011]  00000000 00000000 001201d2 
> 00000002 00200246 00000001 c06d6900 00000100
> Mar 12 01:16:21 coyote kernel: [10353.911015]  00000000 c0b35dac c06d7484 
> c06d6480 c06d6480 c06d6480 f2817520 00002f66
> Mar 12 01:16:21 coyote kernel: [10353.911020] Call Trace:
> Mar 12 01:16:21 coyote kernel: [10353.911022]  [<c04655fe>] ? 
> __alloc_pages_internal+0xae/0x430
> Mar 12 01:16:21 coyote kernel: [10353.911028]  [<f82b5c60>] ? 
> ext3_readpages+0x0/0x20 [ext3]
> Mar 12 01:16:21 coyote kernel: [10353.911040]  [<c04676b4>] ? 
> __do_page_cache_readahead+0xe4/0x1e0
> Mar 12 01:16:21 coyote kernel: [10353.911044]  [<c0467a9b>] ? 
> ondemand_readahead+0x15b/0x180
> Mar 12 01:16:21 coyote kernel: [10353.911047]  [<c0467b38>] ? 
> page_cache_async_readahead+0x78/0x90
> Mar 12 01:16:21 coyote kernel: [10353.911050]  [<c0461434>] ? 
> generic_file_aio_read+0x314/0x670
> Mar 12 01:16:21 coyote kernel: [10353.911058]  [<c048a011>] ? 
> do_sync_read+0xd1/0x110
> Mar 12 01:16:21 coyote kernel: [10353.911061]  [<c04133a3>] ? 
> lapic_next_event+0x13/0x20
> Mar 12 01:16:21 coyote kernel: [10353.911065]  [<c043c3c0>] ? 
> autoremove_wake_function+0x0/0x50
> Mar 12 01:16:21 coyote kernel: [10353.911069]  [<c0447c4b>] ? 
> tick_program_event+0x2b/0x40
> Mar 12 01:16:21 coyote kernel: [10353.911072]  [<c0440086>] ? 
> hrtimer_interrupt+0xd6/0x220
> Mar 12 01:16:21 coyote kernel: [10353.911075]  [<c048aac9>] ? 
> vfs_read+0x99/0x140
> Mar 12 01:16:21 coyote kernel: [10353.911077]  [<c0458e20>] ? 
> audit_syscall_exit+0x1e0/0x3e0
> Mar 12 01:16:21 coyote kernel: [10353.911081]  [<c0489f40>] ? 
> do_sync_read+0x0/0x110
> Mar 12 01:16:21 coyote kernel: [10353.911083]  [<c048ac2d>] ? 
> sys_read+0x3d/0x70
> Mar 12 01:16:21 coyote kernel: [10353.911085]  [<c040336d>] ? 
> sysenter_do_call+0x12/0x21
> Mar 12 01:16:21 coyote kernel: [10353.911088] Code: ff 75 d0 9d 89 e0 25 00 
> f0 ff ff 83 68 14 01 f6 40 08 08 0f 85 30 02 00 00 
> 8b 1e 89 f2 8b 46 08 8b 7e 10 f6 c7 40 74 03 8b 56 0c <8b> 4a 04 31 d2 85 ff 
> 0f 95 c2 83 c0 01 09 c2 31 c0 85 c9 0f 95
> Mar 12 01:16:21 coyote kernel: [10353.911112] EIP: [<c046520b>] 
> get_page_from_freelist+0x24b/0x4c0 SS:ESP 0068:c0b35cfc
> Mar 12 01:16:21 coyote kernel: [10353.911117] ---[ end trace 8d9559cb0f5d9d82 
> ]---
> ========================
> 
> And it was accompanied by some sort of an alert mechanism in F10 that said 
> 'KDE Write Daemon' in a series of 22 stacked vertically boxes, and duplicated 
> many but not all, of the above messages.  They weren't clipboardable. :(
> 
> -- 
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> It's difficult to see the picture when you are inside the frame.
> 
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