Your message dated Sat, 03 Sep 2011 16:40:13 +0200
with message-id <[email protected]>
and subject line Re: fuse fs as rw branch results in freeze
has caused the Debian Bug report #616371,
regarding fuse fs as rw branch results in freeze
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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--
616371: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=616371
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: aufs-tools
Version: 20100601-1
Severity: important
Description :
Using an sshfs as the source of an rw branch for aufs results
in frozen system
Steps to reproduce :
* sshfs [email protected]:/sshfs /sshfs -o allow_other
* mount -t aufs -o br:/sshfs=rw /mnt
As a result the following message is displayed and the system freezes :
[ 71.177502] aufs: module is from the staging directory, the quality
is unknown, you have been warned.
[ 71.181635] aufs 2-standalone.tree-32-20100125
[ 71.195256] aufs au_wh_init:536:mount[1065]: an error(-13) on the
writable branch /(fuse)
[ 71.240885] BUG: unable to handle kernel NULL pointer dereference
at 0000000000000010
[ 71.240899] IP: [<ffffffff811021a3>] __lookup_mnt+0x3a/0x4b
[ 71.240911] PGD 75550067 PUD 75551067 PMD 0
[ 71.240919] Oops: 0000 [#1] SMP
[ 71.240926] last sysfs file: /sys/devices/virtual/bdi/0:17/uevent
[ 71.240933] CPU 1
[ 71.240937] Modules linked in: aufs(C) fuse snd_pcm snd_timer snd
soundcore snd_page_alloc pcspkr evdev ext4 mbcache jbd2 crc16 raid1
md_mod xen_netfront xen_blkfront
[ 71.240973] Pid: 1065, comm: mount Tainted: G C 2.6.32-5-amd64 #1
[ 71.240979] RIP: e030:[<ffffffff811021a3>] [<ffffffff811021a3>]
__lookup_mnt+0x3a/0x4b
[ 71.240989] RSP: e02b:ffff880077bffa78 EFLAGS: 00010207
[ 71.240995] RAX: 0000000000000000 RBX: ffff8800744cb3c0 RCX: 0000000000000004
[ 71.241002] RDX: ffff88007ff22470 RSI: 03fffe2001d132cf RDI: 07fffc4001dcbc8b
[ 71.241008] RBP: ffff880002e26f00 R08: 0000000000000000 R09: 0000000000000001
[ 71.241015] R10: 0000000000000008 R11: ffffffff81152c3a R12: 0000000000000001
[ 71.241021] R13: ffff880077bffbd8 R14: 0000000000000003 R15: ffff880077bffb28
[ 71.241032] FS: 00007f84311977e0(0000) GS:ffff8800035c8000(0000)
knlGS:0000000000000000
[ 71.241040] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 71.241046] CR2: 0000000000000010 CR3: 00000000754bd000 CR4: 0000000000002660
[ 71.241053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 71.241060] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 71.241066] Process mount (pid: 1065, threadinfo ffff880077bfe000,
task ffff88007556a350)
[ 71.241073] Stack:
[ 71.241077] ffff880077bffb38 0000000000000000 ffff880077bffb38
ffffffff811028db
[ 71.241087] <0> ffff8800744cb3c0 ffffffff810f5ff5 ffff8800744cb3c0
ffff880077bffbd8
[ 71.241099] <0> ffff88007bb4d7d0 ffffffff810f6191 ffff880077bffb38
ffff880077bffb38
[ 71.241113] Call Trace:
[ 71.241120] [<ffffffff811028db>] ? lookup_mnt+0x21/0x43
[ 71.241128] [<ffffffff810f5ff5>] ? __follow_mount+0x13/0x68
[ 71.241135] [<ffffffff810f6191>] ? do_lookup+0x61/0x15d
[ 71.241142] [<ffffffff810f6c30>] ? __link_path_walk+0x5a5/0x6f5
[ 71.241150] [<ffffffff810f6fae>] ? path_walk+0x66/0xc9
[ 71.241157] [<ffffffff810f8418>] ? do_path_lookup+0x20/0x77
[ 71.241164] [<ffffffff810f848c>] ? kern_path+0x1d/0x3e
[ 71.241172] [<ffffffff81152d7e>] ? cap_d_instantiate+0x0/0x1
[ 71.241183] [<ffffffffa00d6621>] ? br_perm_val+0x13/0x18 [aufs]
[ 71.241192] [<ffffffff81195da0>] ? match_token+0x60/0x1cc
[ 71.241203] [<ffffffffa00d808e>] ? vfsub_kern_path+0xe/0x30 [aufs]
[ 71.241214] [<ffffffffa00d671d>] ? opt_add+0x5e/0x10c [aufs]
[ 71.241224] [<ffffffffa00d6ca0>] ? au_opts_parse+0x119/0x729 [aufs]
[ 71.241234] [<ffffffffa00d2517>] ? aufs_fill_super+0x1b7/0x26c [aufs]
[ 71.241243] [<ffffffffa00d2360>] ? aufs_fill_super+0x0/0x26c [aufs]
[ 71.241252] [<ffffffff810f0cc1>] ? get_sb_nodev+0x4f/0x83
[ 71.241260] [<ffffffffa00d15a6>] ? aufs_get_sb+0x1b/0x4d [aufs]
[ 71.241268] [<ffffffff810f0a2b>] ? vfs_kern_mount+0x99/0x14b
[ 71.241278] [<ffffffff810f0b30>] ? do_kern_mount+0x43/0xe2
[ 71.241286] [<ffffffff812fc18a>] ? error_exit+0x2a/0x60
[ 71.241293] [<ffffffff81104c03>] ? do_mount+0x72a/0x792
[ 71.241300] [<ffffffff81103001>] ? copy_mount_options+0xca/0x12b
[ 71.241307] [<ffffffff81104ceb>] ? sys_mount+0x80/0xbd
[ 71.241315] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
[ 71.241307] [<ffffffff81104ceb>] ? sys_mount+0x80/0xbd
[ 71.241315] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
[ 71.241321] Code: fe ff ff 48 89 c2 48 c1 e2 04 48 03 15 87 61 3d
00 48 89 d0 45 85 e4 74 05 48 8b 00 eb 04 48 8b 40 08 48 39 d0 75 04
31 c0 eb 0c <48> 39 68 10 75 e3 48 39 58 18 75 dd 5b 5d 41 5c c3 48 85
ff 74
[ 71.241407] RIP [<ffffffff811021a3>] __lookup_mnt+0x3a/0x4b
[ 71.241414] RSP <ffff880077bffa78>
[ 71.241419] CR2: 0000000000000010
[ 71.241424] ---[ end trace a2f0aec05bd9904c ]---
[ 136.368503] BUG: soft lockup - CPU#1 stuck for 61s! [rs:main Q:Reg:580]
[ 136.368503] Modules linked in: aufs(C) fuse snd_pcm snd_timer snd
soundcore snd_page_alloc pcspkr evdev ext4 mbcache jbd2 crc16 raid1
md_mod xen_netfront xen_blkfront
[ 136.368503] CPU 1:
[ 136.368503] Modules linked in: aufs(C) fuse snd_pcm snd_timer snd
soundcore snd_page_alloc pcspkr evdev ext4 mbcache jbd2 crc16 raid1
md_mod xen_netfront xen_blkfront
[ 136.368503] Pid: 580, comm: rs:main Q:Reg Tainted: G D C
2.6.32-5-amd64 #1
[ 136.368503] RIP: e030:[<ffffffff812fbbbb>] [<ffffffff812fbbbb>]
_spin_lock+0x18/0x1b
[ 136.368503] RSP: e02b:ffff88007d7e7cc0 EFLAGS: 00000297
[ 136.368503] RAX: 00000000000029e4 RBX: ffff88007d7e7d68 RCX: 0000000000000003
[ 136.368503] RDX: 00000000000029e3 RSI: ffff88007fc0f001 RDI: ffffffff81461080
[ 136.368503] RBP: 0000000000000000 R08: 0000000000000000 R09: 303030203a73706f
[ 136.368503] R10: ffffffff8111dec7 R11: ffffffff81152c3a R12: ffff88007d7e7d68
[ 136.368503] R13: ffff88007d7e7e48 R14: 0000000000000101 R15: ffff88007d7e7d58
[ 136.368503] FS: 00007f9936daf700(0000) GS:ffff8800035c8000(0000)
knlGS:0000000000000000
[ 136.368503] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 136.368503] CR2: 00007f9937cfa8f0 CR3: 00000000778aa000 CR4: 0000000000002660
[ 136.368503] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 136.368503] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 136.368503] Call Trace:
[ 136.368503] [<ffffffff811028ca>] ? lookup_mnt+0x10/0x43
[ 136.368503] [<ffffffff810f5ff5>] ? __follow_mount+0x13/0x68
[ 136.368503] [<ffffffff810f6191>] ? do_lookup+0x61/0x15d
[ 136.368503] [<ffffffff810f69ae>] ? __link_path_walk+0x323/0x6f5
[ 136.368503] [<ffffffff8100e242>] ? check_events+0x12/0x20
[ 136.368503] [<ffffffff810f6fae>] ? path_walk+0x66/0xc9
[ 136.368503] [<ffffffff810f8418>] ? do_path_lookup+0x20/0x77
[ 136.368503] [<ffffffff810f85a4>] ? do_filp_open+0xe5/0x94b
[ 136.368503] [<ffffffff8100e242>] ? check_events+0x12/0x20
[ 136.368503] [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[ 136.368503] [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[ 136.368503] [<ffffffff811019d5>] ? alloc_fd+0x67/0x10c
[ 136.368503] [<ffffffff810eceaf>] ? do_sys_open+0x55/0xfc
[ 136.368503] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
Additionnal information :
The bug can not be reproduced using the following command line (read only) :
* mount -t aufs -o br:/sshfs=ro /mnt
-- System Information:
Debian Release: 6.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages aufs-tools depends on:
ii libc6 2.11.2-10 Embedded GNU C Library: Shared lib
aufs-tools recommends no packages.
aufs-tools suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
no answer so far, unreproducible for me, closing.
--
Address: Daniel Baumann, Donnerbuehlweg 3, CH-3012 Bern
Email: [email protected]
Internet: http://people.progress-technologies.net/~daniel.baumann/
--- End Message ---
