From: Olivier Bonvalet <btrfs.list@daevel.fr>
To: linux-btrfs@vger.kernel.org
Subject: Re: Can't umount a read-only FS ?
Date: Wed, 15 Aug 2012 19:32:45 +0200 [thread overview]
Message-ID: <502BDD3D.4090703@daevel.fr> (raw)
In-Reply-To: <502BDC30.8060409@daevel.fr>
On 15/08/2012 19:28, Olivier Bonvalet wrote:
> Hi,
>
> I have a strange problem with a btrfs partition : after an error, btrfs was forced readonly.
>
> So I try to umount it, to launch btrfsck, but it doesn't work :
>
I forgot, it was set readonly after that error :
Aug 15 09:44:33 sofia kernel: [29840.510826] ------------[ cut here ]------------
Aug 15 09:44:33 sofia kernel: [29840.510850] WARNING: at fs/btrfs/super.c:219 __btrfs_abort_transaction+0x3a/0x95 [btrfs]()
Aug 15 09:44:33 sofia kernel: [29840.510858] btrfs: Transaction aborted
Aug 15 09:44:33 sofia kernel: [29840.510860] Modules linked in: ipv6 btrfs zram(C) nf_conntrack
Aug 15 09:44:33 sofia kernel: [29840.510872] Pid: 26524, comm: btrfs Tainted: G C 2.6.44.7-dae-xen #2
Aug 15 09:44:33 sofia kernel: [29840.510879] Call Trace:
Aug 15 09:44:33 sofia kernel: [29840.510893] [<ffffffff8103c7cf>] ? warn_slowpath_common+0x76/0x8a
Aug 15 09:44:33 sofia kernel: [29840.510901] [<ffffffff8103c87b>] ? warn_slowpath_fmt+0x45/0x4a
Aug 15 09:44:33 sofia kernel: [29840.510924] [<ffffffffa0077346>] ? btrfs_alloc_delayed_item+0x13/0x3b [btrfs]
Aug 15 09:44:33 sofia kernel: [29840.510941] [<ffffffffa00203d2>] ? __btrfs_abort_transaction+0x3a/0x95 [btrfs]
Aug 15 09:44:33 sofia kernel: [29840.510964] [<ffffffffa0042c80>] ? btrfs_unlink_subvol+0x1cf/0x255 [btrfs]
Aug 15 09:44:33 sofia kernel: [29840.510987] [<ffffffffa0062178>] ? btrfs_ioctl_snap_destroy+0x2e0/0x42c [btrfs]
Aug 15 09:44:33 sofia kernel: [29840.511010] [<ffffffffa0064f8c>] ? btrfs_ioctl+0x4f6/0xfce [btrfs]
Aug 15 09:44:33 sofia kernel: [29840.511022] [<ffffffff81021ffa>] ? do_page_fault+0x274/0x2f2
Aug 15 09:44:33 sofia kernel: [29840.511031] [<ffffffff810d39ca>] ? vfs_ioctl+0x1e/0x31
Aug 15 09:44:33 sofia kernel: [29840.511039] [<ffffffff810d41ba>] ? do_vfs_ioctl+0x3bd/0x3ff
Aug 15 09:44:33 sofia kernel: [29840.511046] [<ffffffff810d4238>] ? sys_ioctl+0x3c/0x60
Aug 15 09:44:33 sofia kernel: [29840.511055] [<ffffffff81304979>] ? system_call_fastpath+0x16/0x1b
Aug 15 09:44:33 sofia kernel: [29840.511062] ---[ end trace 17eb064ed1556a08 ]---
Aug 15 09:44:33 sofia kernel: [29840.511071] BTRFS error (device dm-1) in btrfs_unlink_subvol:3098: error 28
Aug 15 09:44:33 sofia kernel: [29840.511077] btrfs is forced readonly
Aug 15 09:44:33 sofia kernel: [29840.511083] BTRFS error (device dm-1) in btrfs_ioctl_snap_destroy:2026: error 28
then in logs I have this warnings :
Aug 15 09:51:42 sofia kernel: [30269.723855] ------------[ cut here ]------------
Aug 15 09:51:42 sofia kernel: [30269.723893] WARNING: at fs/btrfs/inode.c:6954 btrfs_destroy_inode+0x64/0x26c [btrfs]()
Aug 15 09:51:42 sofia kernel: [30269.723905] Modules linked in: ipv6 btrfs zram(C) nf_conntrack
Aug 15 09:51:42 sofia kernel: [30269.723920] Pid: 27751, comm: ssh Tainted: G WC 2.6.44.7-dae-xen #2
Aug 15 09:51:42 sofia kernel: [30269.723928] Call Trace:
Aug 15 09:51:42 sofia kernel: [30269.723939] [<ffffffff8103c7cf>] ? warn_slowpath_common+0x76/0x8a
Aug 15 09:51:42 sofia kernel: [30269.723975] [<ffffffffa004678f>] ? btrfs_destroy_inode+0x64/0x26c [btrfs]
Aug 15 09:51:42 sofia kernel: [30269.724010] [<ffffffffa004672b>] ? btrfs_alloc_inode+0x1d9/0x1d9 [btrfs]
Aug 15 09:51:42 sofia kernel: [30269.724052] [<ffffffff810d9943>] ? dispose_list+0x27/0x31
Aug 15 09:51:42 sofia kernel: [30269.724066] [<ffffffff810da65e>] ? prune_icache_sb+0x2a7/0x2c2
Aug 15 09:51:42 sofia kernel: [30269.724086] [<ffffffff810c99e1>] ? prune_super+0xcb/0x138
Aug 15 09:51:42 sofia kernel: [30269.724104] [<ffffffff8110276f>] ? do_raw_spin_unlock.constprop.9+0xc/0xf
Aug 15 09:51:42 sofia kernel: [30269.724124] [<ffffffff8109b7d4>] ? shrink_slab+0x120/0x19d
Aug 15 09:51:42 sofia kernel: [30269.724139] [<ffffffff8109d46f>] ? do_try_to_free_pages+0x251/0x3ba
Aug 15 09:51:42 sofia kernel: [30269.724156] [<ffffffff8109d648>] ? try_to_free_pages+0x70/0x75
Aug 15 09:51:42 sofia kernel: [30269.724172] [<ffffffff81097368>] ? __alloc_pages_nodemask+0x4bf/0x773
Aug 15 09:51:42 sofia kernel: [30269.724191] [<ffffffff812fff66>] ? kmalloc_large_node+0x4f/0x7f
Aug 15 09:51:42 sofia kernel: [30269.724204] [<ffffffff8126a4e1>] ? __alloc_skb+0x6b/0x135
Aug 15 09:51:42 sofia kernel: [30269.724218] [<ffffffff81269103>] ? sock_alloc_send_pskb+0xc7/0x2b5
Aug 15 09:51:42 sofia kernel: [30269.724234] [<ffffffff81005e67>] ? get_phys_to_machine+0x12/0x5d
Aug 15 09:51:42 sofia kernel: [30269.724251] [<ffffffff81003b2a>] ? mfn_to_pfn.part.24+0x52/0x77
Aug 15 09:51:42 sofia kernel: [30269.724271] [<ffffffff812db414>] ? unix_stream_sendmsg+0x113/0x2b8
Aug 15 09:51:42 sofia kernel: [30269.724289] [<ffffffff8109557b>] ? get_pageblock_flags_group+0x30/0x64
Aug 15 09:51:42 sofia kernel: [30269.724302] [<ffffffff81263de0>] ? sock_aio_write+0xa3/0xbf
Aug 15 09:51:42 sofia kernel: [30269.724316] [<ffffffff81099e12>] ? release_pages+0x120/0x12f
Aug 15 09:51:42 sofia kernel: [30269.724335] [<ffffffff810c6ec2>] ? do_sync_write+0xae/0xe6
Aug 15 09:51:42 sofia kernel: [30269.724347] [<ffffffff810bf739>] ? kmem_cache_free+0x11/0x69
Aug 15 09:51:42 sofia kernel: [30269.724361] [<ffffffff810aaed7>] ? remove_vma+0x5c/0x63
Aug 15 09:51:42 sofia kernel: [30269.724371] [<ffffffff810ac047>] ? do_munmap+0x2a7/0x2cf
Aug 15 09:51:42 sofia kernel: [30269.724385] [<ffffffff810c7634>] ? vfs_write+0x9d/0xf8
Aug 15 09:51:42 sofia kernel: [30269.724396] [<ffffffff810c782f>] ? sys_write+0x3e/0x6d
Aug 15 09:51:42 sofia kernel: [30269.724409] [<ffffffff81304979>] ? system_call_fastpath+0x16/0x1b
Aug 15 09:51:42 sofia kernel: [30269.724421] ---[ end trace 17eb064ed1556a09 ]---
Aug 15 09:51:42 sofia kernel: [30269.724428] ------------[ cut here ]------------
Aug 15 09:51:42 sofia kernel: [30269.724456] WARNING: at fs/btrfs/inode.c:6955 btrfs_destroy_inode+0x7b/0x26c [btrfs]()
Aug 15 09:51:42 sofia kernel: [30269.724470] Modules linked in: ipv6 btrfs zram(C) nf_conntrack
Aug 15 09:51:42 sofia kernel: [30269.724487] Pid: 27751, comm: ssh Tainted: G WC 2.6.44.7-dae-xen #2
Aug 15 09:51:42 sofia kernel: [30269.724499] Call Trace:
Aug 15 09:51:42 sofia kernel: [30269.724508] [<ffffffff8103c7cf>] ? warn_slowpath_common+0x76/0x8a
Aug 15 09:51:42 sofia kernel: [30269.724536] [<ffffffffa00467a6>] ? btrfs_destroy_inode+0x7b/0x26c [btrfs]
Aug 15 09:51:42 sofia kernel: [30269.724569] [<ffffffffa004672b>] ? btrfs_alloc_inode+0x1d9/0x1d9 [btrfs]
Aug 15 09:51:42 sofia kernel: [30269.724582] [<ffffffff810d9943>] ? dispose_list+0x27/0x31
Aug 15 09:51:42 sofia kernel: [30269.724591] [<ffffffff810da65e>] ? prune_icache_sb+0x2a7/0x2c2
Aug 15 09:51:42 sofia kernel: [30269.724602] [<ffffffff810c99e1>] ? prune_super+0xcb/0x138
Aug 15 09:51:42 sofia kernel: [30269.724611] [<ffffffff8110276f>] ? do_raw_spin_unlock.constprop.9+0xc/0xf
Aug 15 09:51:42 sofia kernel: [30269.724622] [<ffffffff8109b7d4>] ? shrink_slab+0x120/0x19d
Aug 15 09:51:42 sofia kernel: [30269.724632] [<ffffffff8109d46f>] ? do_try_to_free_pages+0x251/0x3ba
Aug 15 09:51:42 sofia kernel: [30269.724643] [<ffffffff8109d648>] ? try_to_free_pages+0x70/0x75
Aug 15 09:51:42 sofia kernel: [30269.724663] [<ffffffff81097368>] ? __alloc_pages_nodemask+0x4bf/0x773
Aug 15 09:51:42 sofia kernel: [30269.724734] [<ffffffff812fff66>] ? kmalloc_large_node+0x4f/0x7f
Aug 15 09:51:42 sofia kernel: [30269.724747] [<ffffffff8126a4e1>] ? __alloc_skb+0x6b/0x135
Aug 15 09:51:42 sofia kernel: [30269.724758] [<ffffffff81269103>] ? sock_alloc_send_pskb+0xc7/0x2b5
Aug 15 09:51:42 sofia kernel: [30269.724775] [<ffffffff81005e67>] ? get_phys_to_machine+0x12/0x5d
Aug 15 09:51:42 sofia kernel: [30269.724786] [<ffffffff81003b2a>] ? mfn_to_pfn.part.24+0x52/0x77
Aug 15 09:51:42 sofia kernel: [30269.724797] [<ffffffff812db414>] ? unix_stream_sendmsg+0x113/0x2b8
Aug 15 09:51:42 sofia kernel: [30269.724805] [<ffffffff8109557b>] ? get_pageblock_flags_group+0x30/0x64
Aug 15 09:51:42 sofia kernel: [30269.724813] [<ffffffff81263de0>] ? sock_aio_write+0xa3/0xbf
Aug 15 09:51:42 sofia kernel: [30269.724819] [<ffffffff81099e12>] ? release_pages+0x120/0x12f
Aug 15 09:51:42 sofia kernel: [30269.724827] [<ffffffff810c6ec2>] ? do_sync_write+0xae/0xe6
Aug 15 09:51:42 sofia kernel: [30269.724834] [<ffffffff810bf739>] ? kmem_cache_free+0x11/0x69
Aug 15 09:51:42 sofia kernel: [30269.724840] [<ffffffff810aaed7>] ? remove_vma+0x5c/0x63
Aug 15 09:51:42 sofia kernel: [30269.724846] [<ffffffff810ac047>] ? do_munmap+0x2a7/0x2cf
Aug 15 09:51:42 sofia kernel: [30269.724852] [<ffffffff810c7634>] ? vfs_write+0x9d/0xf8
Aug 15 09:51:42 sofia kernel: [30269.724859] [<ffffffff810c782f>] ? sys_write+0x3e/0x6d
Aug 15 09:51:42 sofia kernel: [30269.724865] [<ffffffff81304979>] ? system_call_fastpath+0x16/0x1b
Aug 15 09:51:42 sofia kernel: [30269.724871] ---[ end trace 17eb064ed1556a0a ]---
Aug 15 09:51:42 sofia kernel: [30269.724876] ------------[ cut here ]------------
Aug 15 09:51:42 sofia kernel: [30269.724896] WARNING: at fs/btrfs/inode.c:6957 btrfs_destroy_inode+0xab/0x26c [btrfs]()
Aug 15 09:51:42 sofia kernel: [30269.724903] Modules linked in: ipv6 btrfs zram(C) nf_conntrack
Aug 15 09:51:42 sofia kernel: [30269.724914] Pid: 27751, comm: ssh Tainted: G WC 2.6.44.7-dae-xen #2
Aug 15 09:51:42 sofia kernel: [30269.724920] Call Trace:
Aug 15 09:51:42 sofia kernel: [30269.724925] [<ffffffff8103c7cf>] ? warn_slowpath_common+0x76/0x8a
Aug 15 09:51:42 sofia kernel: [30269.724946] [<ffffffffa00467d6>] ? btrfs_destroy_inode+0xab/0x26c [btrfs]
Aug 15 09:51:42 sofia kernel: [30269.724966] [<ffffffffa004672b>] ? btrfs_alloc_inode+0x1d9/0x1d9 [btrfs]
Aug 15 09:51:42 sofia kernel: [30269.724974] [<ffffffff810d9943>] ? dispose_list+0x27/0x31
Aug 15 09:51:42 sofia kernel: [30269.724980] [<ffffffff810da65e>] ? prune_icache_sb+0x2a7/0x2c2
Aug 15 09:51:42 sofia kernel: [30269.724987] [<ffffffff810c99e1>] ? prune_super+0xcb/0x138
Aug 15 09:51:42 sofia kernel: [30269.724993] [<ffffffff8110276f>] ? do_raw_spin_unlock.constprop.9+0xc/0xf
Aug 15 09:51:42 sofia kernel: [30269.725001] [<ffffffff8109b7d4>] ? shrink_slab+0x120/0x19d
Aug 15 09:51:42 sofia kernel: [30269.725008] [<ffffffff8109d46f>] ? do_try_to_free_pages+0x251/0x3ba
Aug 15 09:51:42 sofia kernel: [30269.725015] [<ffffffff8109d648>] ? try_to_free_pages+0x70/0x75
Aug 15 09:51:42 sofia kernel: [30269.725023] [<ffffffff81097368>] ? __alloc_pages_nodemask+0x4bf/0x773
Aug 15 09:51:42 sofia kernel: [30269.725030] [<ffffffff812fff66>] ? kmalloc_large_node+0x4f/0x7f
Aug 15 09:51:42 sofia kernel: [30269.925127] [<ffffffff8126a4e1>] ? __alloc_skb+0x6b/0x135
Aug 15 09:51:42 sofia kernel: [30269.925150] [<ffffffff81269103>] ? sock_alloc_send_pskb+0xc7/0x2b5
Aug 15 09:51:42 sofia kernel: [30269.925171] [<ffffffff81005e67>] ? get_phys_to_machine+0x12/0x5d
Aug 15 09:51:42 sofia kernel: [30269.925190] [<ffffffff81003b2a>] ? mfn_to_pfn.part.24+0x52/0x77
Aug 15 09:51:42 sofia kernel: [30269.925208] [<ffffffff812db414>] ? unix_stream_sendmsg+0x113/0x2b8
Aug 15 09:51:42 sofia kernel: [30269.925226] [<ffffffff8109557b>] ? get_pageblock_flags_group+0x30/0x64
Aug 15 09:51:42 sofia kernel: [30269.925241] [<ffffffff81263de0>] ? sock_aio_write+0xa3/0xbf
Aug 15 09:51:42 sofia kernel: [30269.925259] [<ffffffff81099e12>] ? release_pages+0x120/0x12f
Aug 15 09:51:42 sofia kernel: [30269.925276] [<ffffffff810c6ec2>] ? do_sync_write+0xae/0xe6
Aug 15 09:51:42 sofia kernel: [30269.925292] [<ffffffff810bf739>] ? kmem_cache_free+0x11/0x69
Aug 15 09:51:42 sofia kernel: [30269.925309] [<ffffffff810aaed7>] ? remove_vma+0x5c/0x63
Aug 15 09:51:42 sofia kernel: [30269.925323] [<ffffffff810ac047>] ? do_munmap+0x2a7/0x2cf
Aug 15 09:51:42 sofia kernel: [30269.925339] [<ffffffff810c7634>] ? vfs_write+0x9d/0xf8
Aug 15 09:51:42 sofia kernel: [30269.925356] [<ffffffff810c782f>] ? sys_write+0x3e/0x6d
Aug 15 09:51:42 sofia kernel: [30269.925373] [<ffffffff81304979>] ? system_call_fastpath+0x16/0x1b
Aug 15 09:51:42 sofia kernel: [30269.925386] ---[ end trace 17eb064ed1556a0b ]---
But nothing about the umount (some hours later).
next prev parent reply other threads:[~2012-08-15 17:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-15 17:28 Can't umount a read-only FS ? Olivier Bonvalet
2012-08-15 17:32 ` Olivier Bonvalet [this message]
2012-08-15 17:43 ` David Sterba
2012-08-15 20:23 ` Olivier Bonvalet
2012-08-15 22:29 ` [solved] " Olivier Bonvalet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=502BDD3D.4090703@daevel.fr \
--to=btrfs.list@daevel.fr \
--cc=linux-btrfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.