Good afternoon, I have more informations to add to the bug. On Tue, Jul 23, 2013 at 7:15 AM, Vyacheslav Dubeyko <slava@xxxxxxxxxxx> wrote: >> > So, as I see, the reproducing path is: (1) delete /var/cache/apt; (2) issue apt-get update. >> >> In fact it is the other way around; >> (1) Issue apt-get update: Crash. >> (2) Reboot, try again: Crash. >> (3) Delete /var/lib/apt/lists/* and try again: Works for some time. >> > > Ok. Thank you for additional details. I was able to reproduce consistently the problem. 1. Make a snapshot of a checkpoint and mount it. 2. Read from the checkpoint (make a backup). 3. Issue apt-get update. > >> >> > (1) The strace output for the case of issuing the apt-get update (in the case of issue reproducing). >> >> That will be hard to obtain except maybe if I alias my apt-get update >> to strace -f -o /boot/somefile.txt apt-get update and hope the problem >> occur again. It sometimes happen when launched from the Ubuntu Store >> which doesn't use bash to launch the update. >> > > Ok. I see. I'll try to analyze the issue on the basis of available > information. But it will be a great to have the requested strace output. Here are the log files. 1. strace from the backup was still reading, it did not stop. 2. apt-get-crash.log 4362 13:32:04 read(6, " Debugging symbols\nHomepage: htt"..., 32052) = 32052 4362 13:32:04 read(6, "tcp-wrappers/libwrap0-dev_7.6.q-"..., 32460) = 32460 4362 13:32:04 read(6, "bdevel\nInstalled-Size: 542\nMaint"..., 32710) = 32710 4362 13:32:04 read(6, "ian.org>\nArchitecture: i386\nSour"..., 32558) = 32558 4362 13:32:04 read(6, "l-Maintainer: XCB Developers <xc"..., 32613) = 32613 4362 13:32:04 read(6, "ed: 9m\n\nPackage: libxcb-xvmc0-db"..., 31979) = 31979 4362 13:32:04 read(6, "ibz-dev\nFilename: pool/main/x/xf"..., 32335) = 32335 4362 13:32:04 read(6, "n: Ubuntu\nSupported: 9m\nTask: my"..., 31903) = 31903 4362 13:32:04 read(6, "\nFilename: pool/main/libx/libxpm"..., 32467) = 32467 4362 13:32:04 read(6, "buntu/+filebug\nOrigin: Ubuntu\nSu"..., 31982) = 31982 4362 13:32:04 read(6, "chpad.net/ubuntu/+filebug\nOrigin"..., 31976) = 31976 4362 13:32:04 read(6, "buntu Developers <ubuntu-devel-d"..., 32681) = 32681 4362 13:32:04 read(6, "-utils\nDepends: debconf (>= 0.5)"..., 32468) = 32468 4362 13:32:04 read(6, "top, mythbuntu-backend-slave, my"..., 31678) = 31678 4362 13:32:04 read(6, "d5: 1b0992eebd45ca5ceadc775532a4"..., 32126) = 32126 4362 13:32:04 read(6, " all\nSource: munin\nVersion: 2.0."..., 32535) = 32535 4362 13:32:04 read(6, "fice-core | openoffice.org-hunsp"..., 32373) = 32373 4362 13:32:04 read(6, "ffice.org-dictionaries (1:3.3.0~"..., 32513) = 32513 4362 13:32:04 read(6, "hbuntu-backend-master\n\nPackage: "..., 31756) = 31756 4362 13:32:04 read(6, "2614b9\nSHA256: bcc70d6577dd06565"..., 32118) = 32118 4362 13:32:04 read(6, "17\nSHA256: d903f798a8c38fef2b992"..., 32339) = 32339 -- End of file -- 3. syslog: Jul 26 13:32:04 kernel: [ 317.525021] BUG: unable to handle kernel paging request at 00000000000033e5 Jul 26 13:32:04 kernel: [ 317.525371] IP: [<ffffffffa02930f2>] nilfs_end_page_io+0x12/0xd0 [nilfs2] Jul 26 13:32:04 kernel: [ 317.525715] PGD 0 Jul 26 13:32:04 kernel: [ 317.526044] Oops: 0000 [#1] SMP Jul 26 13:32:04 kernel: [ 317.526372] Modules linked in: pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) nfsd(F) auth_rpcgss(F) nfs_acl(F) lockd(F) sunrpc(F) dm_crypt(F) bbswitch(OF) intel_powerclamp kvm uvcvideo videobuf2_v malloc videobuf2_memops videobuf2_core crc32_pclmul(F) ghash_clmulni_intel(F) aesni_intel(F) videodev aes_x86_64(F) lrw(F) gf128mul(F) btusb glue_helper(F) ablk_helper(F) cryptd(F) snd_hda_codec_realtek snd_hda_intel snd_hda_codec arc4(F) asus_wmi snd_ hwdep(F) sparse_keymap mxm_wmi snd_pcm(F) joydev(F) snd_page_alloc(F) iwldvm snd_seq_midi(F) snd_seq_midi_event(F) snd_rawmidi(F) snd_seq(F) mac80211 snd_seq_device(F) snd_timer(F) iwlwifi snd(F) soundcore(F) cfg80211 mei_me mei lpc_ich psmouse(F) wmi microcode(F) serio_raw(F) mac_hid parport_pc(F) ppdev(F) lp(F) parport(F) bnep rfcomm bluetooth binfmt_misc(F) coretemp nilfs2 btrfs(F) xor(F) zlib_deflate(F) raid6_pq(F) libcrc32c(F) nbd(F) hid_generic usbhid hid usb_storage(F) i915 i2c_algo_bit drm_k ms_helper drm alx mdio a Jul 26 13:32:04 kernel: hci(F) libahci(F) video(F) [last unloaded: ipmi_msghandler] Jul 26 13:32:04 kernel: [ 317.528925] CPU: 4 PID: 388 Comm: segctord Tainted: GF C O 3.10.0-4-generic #13-Ubuntu Jul 26 13:32:04 kernel: [ 317.529487] Hardware name: ASUSTeK COMPUTER INC. N56VZ/N56VZ, BIOS N56VZ.216 12/06/2012 Jul 26 13:32:04 kernel: [ 317.530046] task: ffff88021d159770 ti: ffff88022067a000 task.ti: ffff88022067a000 Jul 26 13:32:04 kernel: [ 317.530606] RIP: 0010:[<ffffffffa02930f2>] [<ffffffffa02930f2>] nilfs_end_page_io+0x12/0xd0 [nilfs2] Jul 26 13:32:04 kernel: [ 317.531184] RSP: 0018:ffff88022067bd00 EFLAGS: 00010202 Jul 26 13:32:04 kernel: [ 317.531756] RAX: ffff8801fd7f16c8 RBX: 00000000000033e5 RCX: 0000000000000034 Jul 26 13:32:04 kernel: [ 317.532371] RDX: 000000000000000d RSI: 0000000000000000 RDI: 00000000000033e5 Jul 26 13:32:04 kernel: [ 317.532952] RBP: ffff88022067bd08 R08: 7800000000000000 R09: a80022ed3c000000 Jul 26 13:32:04 kernel: [ 317.533541] R10: 57ffc712ccbb4f00 R11: 0000000000000019 R12: ffff88021db8eeb8 Jul 26 13:32:04 kernel: [ 317.534129] R13: 0000000000000000 R14: ffffea0007a481c0 R15: ffff8801fd7f1680 Jul 26 13:32:04 kernel: [ 317.534717] FS: 0000000000000000(0000) GS:ffff88022ef00000(0000) knlGS:0000000000000000 Jul 26 13:32:04 kernel: [ 317.535318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 26 13:32:04 kernel: [ 317.535919] CR2: 00000000000033e5 CR3: 0000000001c0e000 CR4: 00000000001407e0 Jul 26 13:32:04 kernel: [ 317.536528] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jul 26 13:32:04 kernel: [ 317.537176] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jul 26 13:32:04 kernel: [ 317.537791] Stack: Jul 26 13:32:04 kernel: [ 317.538406] ffff88021db8ee10 ffff88022067be00 ffffffffa02944c5 ffffffff81019d09 Jul 26 13:32:04 kernel: [ 317.539057] ffff88021d159770 ffff88021d159770 ffff88021d159770 ffff88021f1bec70 Jul 26 13:32:04 kernel: [ 317.539715] ffff88021dcc1158 ffff88021dcc1000 ffff88021f1bec60 000000031d159770 Jul 26 13:32:04 kernel: [ 317.540384] Call Trace: Jul 26 13:32:04 kernel: [ 317.541056] [<ffffffffa02944c5>] nilfs_segctor_do_construct+0xf25/0x1b20 [nilfs2] Jul 26 13:32:04 kernel: [ 317.541744] [<ffffffff81019d09>] ? sched_clock+0x9/0x10 Jul 26 13:32:04 kernel: [ 317.542440] [<ffffffffa02953ab>] nilfs_segctor_construct+0x17b/0x290 [nilfs2] Jul 26 13:32:04 kernel: [ 317.543145] [<ffffffffa02955e2>] nilfs_segctor_thread+0x122/0x3b0 [nilfs2] Jul 26 13:32:04 kernel: [ 317.543840] [<ffffffffa02954c0>] ? nilfs_segctor_construct+0x290/0x290 [nilfs2] Jul 26 13:32:04 kernel: [ 317.544534] [<ffffffff8107cca0>] kthread+0xc0/0xd0 Jul 26 13:32:04 kernel: [ 317.545225] [<ffffffff8107cbe0>] ? kthread_create_on_node+0x120/0x120 Jul 26 13:32:04 kernel: [ 317.545924] [<ffffffff816f026c>] ret_from_fork+0x7c/0xb0 Jul 26 13:32:04 kernel: [ 317.546583] [<ffffffff8107cbe0>] ? kthread_create_on_node+0x120/0x120 Jul 26 13:32:04 kernel: [ 317.547208] Code: d9 e9 e0 5b 5d c3 48 89 df e8 db d1 e9 e0 eb db 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 85 ff 48 89 e5 53 48 89 fb 74 29 <48> 8b 07 f6 c4 08 0f 84 9c 00 00 00 48 8b 47 30 48 8b 00 a9 00 Jul 26 13:32:04 kernel: [ 317.548013] RIP [<ffffffffa02930f2>] nilfs_end_page_io+0x12/0xd0 [nilfs2] Jul 26 13:32:04 kernel: [ 317.548674] RSP <ffff88022067bd00> Jul 26 13:32:04 kernel: [ 317.549286] CR2: 00000000000033e5 Jul 26 13:32:04 kernel: [ 317.549897] ---[ end trace ffe6496742ccfbe8 ]--- Jul 26 13:32:06 AptDaemon: INFO: Initializing daemon Jul 26 13:32:07 AptDaemon.PackageKit: INFO: Initializing PackageKit compat layer Jul 26 13:32:07 dbus[569]: [system] Successfully activated service 'org.freedesktop.PackageKit' -- Reboot -- -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
