I'm sorry but I don't know how to get the kernel dump. It seems that the kernel dump is not enabled for my kernel: # CONFIG_CRASH_DUMP is not set On 3/13/12, Anand Jain <Anand.Jain@xxxxxxxxxx> wrote: > > > These logs doesn't have the traces of the below BUG_ON(). > stack as in the dmesg below has 'btrfs_congested_fn' > which generally notifies block-device near Q full condition. > we would need logs to confirm anything further. was there > a kernel dump generated when BUG_ON was called? that should > help. > > Thanks, Anand > > > On 03/13/12 13:42, qasdfgtyuiop wrote: >> All my logs are attached >> I have reinstalled my system the old filesystem has been backuped as a >> img file using dd if=/dev/sdb1 of=broken-btrfs.img bs=1G. I mounted >> the broken filesystem and copied the log files out. While copying I >> got the error message: >> cp: reading `log/messages.log': Input/output error >> cp: failed to extend `/home/gaoxiang/tests/log/messages.log': Input/output >> error >> cp: reading `log/kernel.log': Input/output error >> cp: failed to extend `/home/gaoxiang/tests/log/kernel.log': Input/output >> error >> cp: reading `log/errors.log': Input/output error >> cp: failed to extend `/home/gaoxiang/tests/log/errors.log': Input/output >> error >> cp: reading `log/everything.log': Input/output error >> cp: failed to extend `/home/gaoxiang/tests/log/everything.log': >> Input/output error >> >> >> On Mon, Mar 12, 2012 at 3:09 PM, Anand Jain<Anand.Jain@xxxxxxxxxx> wrote: >>> >>> could you also post few lines of dmesg logged _before_ the below logs. >>> >>> Thanks, -Anand >>> >>> >>> >>> On Saturday 10,March,2012 06:26 PM, qasdfgtyuiop wrote: >>>> >>>> [11558.527680] ------------[ cut here ]------------ >>>> [11558.527708] kernel BUG at fs/btrfs/transaction.c:1337! >>>> [11558.527730] invalid opcode: 0000 [#1] PREEMPT SMP >>> [11558.527764] CPU 1 >>>> [11558.527776] Modules linked in: loop nls_cp437 vfat fat dm_mod xfs >>>> exportfs jfs usb_storage uas fuse ext4 jbd2 mbcache snd_hda_codec_hdmi >>>> snd_hda_codec_realtek arc4 iwlwifi snd_hda_intel snd_hda_codec >>>> uvcvideo snd_hwdep nouveau iTCO_wdt i2c_i801 jmb38x_ms broadcom >>>> snd_pcm i915 videodev tg3 sdhci_pci v4l2_compat_ioctl32 mac80211 sdhci >>>> ttm i2c_algo_bit snd_page_alloc intel_agp snd_timer mxm_wmi serio_raw >>>> drm_kms_helper btusb media bluetooth drm psmouse evdev joydev pcspkr >>>> crc16 mei(C) iTCO_vendor_support snd libphy intel_ips memstick >>>> mmc_core cfg80211 soundcore intel_gtt i2c_core thermal battery >>>> ideapad_laptop sparse_keymap rfkill wmi ac video processor button >>>> btrfs crc32c libcrc32c zlib_deflate sd_mod sr_mod cdrom usbhid hid >>>> ahci libahci libata scsi_mod ehci_hcd usbcore usb_common >>>> [11558.528323] >>>> [11558.528333] Pid: 125, comm: btrfs-transacti Tainted: G C >>>> 3.2.9-1-ARCH #1 LENOVO IdeaPad Y460 /KL2 >>>> [11558.528389] RIP: 0010:[<ffffffffa014c879>] [<ffffffffa014c879>] >>>> btrfs_commit_transaction+0x879/0x880 [btrfs] >>>> [11558.528439] RSP: 0018:ffff8801af1dfde0 EFLAGS: 00010282 >>>> [11558.528460] RAX: 00000000fffffffb RBX: ffff8801afa91690 RCX: >>>> 0000000000000000 >>>> [11558.528484] RDX: ffff8801af1dfce8 RSI: 0000000003c10000 RDI: >>>> ffff8801afa916f0 >>>> [11558.528510] RBP: ffff8801af1dfe70 R08: 0000000000002000 R09: >>>> 0000000000000000 >>>> [11558.528536] R10: 0000000000000000 R11: 0000000000000001 R12: >>>> ffff8801b13ab000 >>>> [11558.528561] R13: ffff8801afa90c18 R14: ffff8801afa91708 R15: >>>> 0000000000000218 >>>> [11558.528586] FS: 0000000000000000(0000) GS:ffff8801bbc80000(0000) >>>> knlGS:0000000000000000 >>>> [11558.528616] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >>>> [11558.528637] CR2: 00007fb7899244e8 CR3: 0000000001805000 CR4: >>>> 00000000000006e0 >>>> [11558.528663] DR0: 0000000000000000 DR1: 0000000000000000 DR2: >>>> 0000000000000000 >>>> [11558.528688] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: >>>> 0000000000000400 >>>> [11558.528714] Process btrfs-transacti (pid: 125, threadinfo >>>> ffff8801af1de000, task ffff8801aff2ce60) >>>> [11558.528744] Stack: >>>> [11558.528755] ffff8801af1dfe10 0000000000000000 0000000000000000 >>>> ffff8801aff2ce60 >>>> [11558.528791] ffffffff81088d80 ffff8801af1dfe08 ffff8801af1dfe08 >>>> ffffffffa014ccd4 >>>> [11558.528827] 0000000000000000 00000000af2b0560 ffff8801aff2ce60 >>>> ffff8801b13ab000 >>>> [11558.528863] Call Trace: >>>> [11558.528879] [<ffffffff81088d80>] ? abort_exclusive_wait+0xb0/0xb0 >>>> [11558.528910] [<ffffffffa014ccd4>] ? start_transaction+0x94/0x2b0 >>>> [btrfs] >>>> [11558.528940] [<ffffffffa0144e6d>] transaction_kthread+0x26d/0x290 >>>> [btrfs] >>>> [11558.528971] [<ffffffffa0144c00>] ? btrfs_congested_fn+0xd0/0xd0 >>>> [btrfs] >>>> [11558.528996] [<ffffffff8108843c>] kthread+0x8c/0xa0 >>>> [11558.529018] [<ffffffff8145feb4>] kernel_thread_helper+0x4/0x10 >>>> [11558.529040] [<ffffffff810883b0>] ? kthread_worker_fn+0x190/0x190 >>>> [11558.529064] [<ffffffff8145feb0>] ? gs_change+0x13/0x13 >>>> [11558.529083] Code: ff ff e9 44 f9 ff ff 0f 0b 0f 0b 0f 0b be fc 04 >>>> 00 00 48 c7 c7 fa 00 1a a0 e8 84 98 f1 e0 e9 3c fb ff ff 0f 0b 0f 0b >>>> 0f 0b 0f 0b<0f> 0b 0f 0b 0f 1f 00 55 48 89 e5 53 48 83 ec 08 66 66 66 >>>> 66 90 >>>> [11558.529389] RIP [<ffffffffa014c879>] >>>> btrfs_commit_transaction+0x879/0x880 [btrfs] >>>> [11558.529425] RSP<ffff8801af1dfde0> >>>> [11558.592012] ---[ end trace e0456c287e012690 ]--- >>>> -- >>>> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" >>>> in >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
