From: Goffredo Baroncelli <kreijack@libero.it>
To: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Bug report: filesystem needed btrf-zero-log
Date: Thu, 30 Apr 2015 19:17:22 +0200 [thread overview]
Message-ID: <554263A2.9060003@libero.it> (raw)
Hi All,
after a crash for reason not related to btrfs [*], I was not able to
mount the root filesystem anymore. To investigate a bit I started from
another filesystem and I tried to mount manually the FS.
I run "mount /dev/sdd3 /mnt", but the command never returned.
The system was responsive: I was able to start a kernel compilation, to
launch a new shell... But the mount process stuck in 'D' state.
After 120sec in the log appeared:
Apr 30 18:47:14 venice kernel: INFO: task mount:2043 blocked for more than 120 seconds.
Apr 30 18:47:14 venice kernel: Tainted: G I 3.19.1 #193
Apr 30 18:47:14 venice kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 30 18:47:14 venice kernel: mount D ffff880215082b20 0 2043 2038 0x00000000
Apr 30 18:47:14 venice kernel: ffff880215082b20 ffff88021519b950 ffff880226239330 0000000000014140
Apr 30 18:47:14 venice kernel: ffff88021519bfd8 0000000000014140 ffff880215082b20 0000000000000246
Apr 30 18:47:14 venice kernel: ffff88021356b910 ffff88021356b978 ffff88021356b990 ffff88021519b8b8
Apr 30 18:47:14 venice kernel: Call Trace:
Apr 30 18:47:14 venice kernel: [<ffffffffa02414e5>] ? btrfs_tree_lock+0x55/0x1f0 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffff810a8b60>] ? wait_woken+0x90/0x90
Apr 30 18:47:14 venice kernel: [<ffffffffa01e567a>] ? btrfs_search_slot+0x71a/0xa90 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa01e5404>] ? btrfs_search_slot+0x4a4/0xa90 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa01e72e2>] ? btrfs_insert_empty_items+0x72/0xc0 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa02417a9>] ? btrfs_insert_orphan_item+0x59/0x80 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa0242d15>] ? insert_orphan_item+0x55/0x80 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa02478b1>] ? replay_one_buffer+0x391/0x3b0 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa0242672>] ? walk_up_log_tree+0xd2/0x240 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa024287c>] ? walk_log_tree+0x9c/0x1b0 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa0203d45>] ? btrfs_get_fs_root.part.45+0x45/0x190 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa0249ce7>] ? btrfs_recover_log_trees+0x1b7/0x440 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa0200580>] ? free_root_pointers+0x70/0x70 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa0247520>] ? replay_one_extent+0x650/0x650 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa0206f04>] ? open_ctree+0x1834/0x20d0 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffffa01dd5b5>] ? btrfs_mount+0x805/0x8d0 [btrfs]
Apr 30 18:47:14 venice kernel: [<ffffffff8116e28f>] ? pcpu_next_unpop+0x3f/0x50
Apr 30 18:47:14 venice kernel: [<ffffffff8116f28b>] ? pcpu_alloc+0x35b/0x690
Apr 30 18:47:14 venice kernel: [<ffffffff811c2356>] ? mount_fs+0x36/0x1b0
Apr 30 18:47:14 venice kernel: [<ffffffff811dd842>] ? vfs_kern_mount+0x62/0x110
Apr 30 18:47:14 venice kernel: [<ffffffff811e05ba>] ? do_mount+0x1fa/0xaf0
Apr 30 18:47:14 venice kernel: [<ffffffff811e11c8>] ? SyS_mount+0x88/0xd0
Apr 30 18:47:14 venice kernel: [<ffffffff815502ed>] ? system_call_fastpath+0x16/0x1b
Apr 30 18:49:14 venice kernel: INFO: task mount:2043 blocked for more than 120 seconds.
Apr 30 18:49:14 venice kernel: Tainted: G I 3.19.1 #193
Apr 30 18:49:14 venice kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 30 18:49:14 venice kernel: mount D ffff880215082b20 0 2043 2038 0x00000000
Apr 30 18:49:14 venice kernel: ffff880215082b20 ffff88021519b950 ffff880226239330 0000000000014140
Apr 30 18:49:14 venice kernel: ffff88021519bfd8 0000000000014140 ffff880215082b20 0000000000000246
Apr 30 18:49:14 venice kernel: ffff88021356b910 ffff88021356b978 ffff88021356b990 ffff88021519b8b8
Apr 30 18:49:14 venice kernel: Call Trace:
Apr 30 18:49:14 venice kernel: [<ffffffffa02414e5>] ? btrfs_tree_lock+0x55/0x1f0 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffff810a8b60>] ? wait_woken+0x90/0x90
Apr 30 18:49:14 venice kernel: [<ffffffffa01e567a>] ? btrfs_search_slot+0x71a/0xa90 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa01e5404>] ? btrfs_search_slot+0x4a4/0xa90 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa01e72e2>] ? btrfs_insert_empty_items+0x72/0xc0 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa02417a9>] ? btrfs_insert_orphan_item+0x59/0x80 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa0242d15>] ? insert_orphan_item+0x55/0x80 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa02478b1>] ? replay_one_buffer+0x391/0x3b0 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa0242672>] ? walk_up_log_tree+0xd2/0x240 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa024287c>] ? walk_log_tree+0x9c/0x1b0 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa0203d45>] ? btrfs_get_fs_root.part.45+0x45/0x190 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa0249ce7>] ? btrfs_recover_log_trees+0x1b7/0x440 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa0200580>] ? free_root_pointers+0x70/0x70 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa0247520>] ? replay_one_extent+0x650/0x650 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa0206f04>] ? open_ctree+0x1834/0x20d0 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa01dd5b5>] ? btrfs_mount+0x805/0x8d0 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffff8116e28f>] ? pcpu_next_unpop+0x3f/0x50
Apr 30 18:49:14 venice kernel: [<ffffffff8116f28b>] ? pcpu_alloc+0x35b/0x690
Apr 30 18:49:14 venice kernel: [<ffffffff811c2356>] ? mount_fs+0x36/0x1b0
Apr 30 18:49:14 venice kernel: [<ffffffff811dd842>] ? vfs_kern_mount+0x62/0x110
Apr 30 18:49:14 venice kernel: [<ffffffff811e05ba>] ? do_mount+0x1fa/0xaf0
Apr 30 18:49:14 venice kernel: [<ffffffff811e11c8>] ? SyS_mount+0x88/0xd0
Apr 30 18:49:14 venice kernel: [<ffffffff815502ed>] ? system_call_fastpath+0x16/0x1b
Apr 30 18:49:14 venice kernel: INFO: task btrfs-transacti:2065 blocked for more than 120 seconds.
Apr 30 18:49:14 venice kernel: Tainted: G I 3.19.1 #193
Apr 30 18:49:14 venice kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 30 18:49:14 venice kernel: btrfs-transacti D ffff8800bcfac0d0 0 2065 2 0x00000000
Apr 30 18:49:14 venice kernel: ffff8800bcfac0d0 0000000000000000 ffff8802262289e0 0000000000014140
Apr 30 18:49:14 venice kernel: ffff88020c023fd8 0000000000014140 ffff8800bcfac0d0 0000000000000246
Apr 30 18:49:14 venice kernel: ffff8800b88779b8 ffff8800bcc9a800 ffff88020c023e20 ffff880223a69300
Apr 30 18:49:14 venice kernel: Call Trace:
Apr 30 18:49:14 venice kernel: [<ffffffffa0209735>] ? btrfs_commit_transaction+0x365/0x9d0 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffff810a8b60>] ? wait_woken+0x90/0x90
Apr 30 18:49:14 venice kernel: [<ffffffffa0205365>] ? transaction_kthread+0x245/0x260 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffffa0205120>] ? btrfs_cleanup_transaction+0x530/0x530 [btrfs]
Apr 30 18:49:14 venice kernel: [<ffffffff8108a033>] ? kthread+0xd3/0xf0
Apr 30 18:49:14 venice kernel: [<ffffffff81089f60>] ? kthread_create_on_node+0x180/0x180
Apr 30 18:49:14 venice kernel: [<ffffffff8155023c>] ? ret_from_fork+0x7c/0xb0
Apr 30 18:49:14 venice kernel: [<ffffffff81089f60>] ? kthread_create_on_node+0x180/0x180
Apr 30 18:51:09 venice kernel: usb 1-1.1: reset high-speed USB device number 3 using ehci-pci
Apr 30 18:51:14 venice kernel: INFO: task mount:2043 blocked for more than 120 seconds.
Apr 30 18:51:14 venice kernel: Tainted: G I 3.19.1 #193
Apr 30 18:51:14 venice kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 30 18:51:14 venice kernel: mount D ffff880215082b20 0 2043 2038 0x00000000
Apr 30 18:51:14 venice kernel: ffff880215082b20 ffff88021519b950 ffff880226239330 0000000000014140
Apr 30 18:51:14 venice kernel: ffff88021519bfd8 0000000000014140 ffff880215082b20 0000000000000246
Apr 30 18:51:14 venice kernel: ffff88021356b910 ffff88021356b978 ffff88021356b990 ffff88021519b8b8
Apr 30 18:51:14 venice kernel: Call Trace:
Apr 30 18:51:14 venice kernel: [<ffffffffa02414e5>] ? btrfs_tree_lock+0x55/0x1f0 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffff810a8b60>] ? wait_woken+0x90/0x90
Apr 30 18:51:14 venice kernel: [<ffffffffa01e567a>] ? btrfs_search_slot+0x71a/0xa90 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa01e5404>] ? btrfs_search_slot+0x4a4/0xa90 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa01e72e2>] ? btrfs_insert_empty_items+0x72/0xc0 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa02417a9>] ? btrfs_insert_orphan_item+0x59/0x80 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa0242d15>] ? insert_orphan_item+0x55/0x80 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa02478b1>] ? replay_one_buffer+0x391/0x3b0 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa0242672>] ? walk_up_log_tree+0xd2/0x240 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa024287c>] ? walk_log_tree+0x9c/0x1b0 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa0203d45>] ? btrfs_get_fs_root.part.45+0x45/0x190 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa0249ce7>] ? btrfs_recover_log_trees+0x1b7/0x440 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa0200580>] ? free_root_pointers+0x70/0x70 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa0247520>] ? replay_one_extent+0x650/0x650 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa0206f04>] ? open_ctree+0x1834/0x20d0 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa01dd5b5>] ? btrfs_mount+0x805/0x8d0 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffff8116e28f>] ? pcpu_next_unpop+0x3f/0x50
Apr 30 18:51:14 venice kernel: [<ffffffff8116f28b>] ? pcpu_alloc+0x35b/0x690
Apr 30 18:51:14 venice kernel: [<ffffffff811c2356>] ? mount_fs+0x36/0x1b0
Apr 30 18:51:14 venice kernel: [<ffffffff811dd842>] ? vfs_kern_mount+0x62/0x110
Apr 30 18:51:14 venice kernel: [<ffffffff811e05ba>] ? do_mount+0x1fa/0xaf0
Apr 30 18:51:14 venice kernel: [<ffffffff811e11c8>] ? SyS_mount+0x88/0xd0
Apr 30 18:51:14 venice kernel: [<ffffffff815502ed>] ? system_call_fastpath+0x16/0x1b
Apr 30 18:51:14 venice kernel: INFO: task btrfs-transacti:2065 blocked for more than 120 seconds.
Apr 30 18:51:14 venice kernel: Tainted: G I 3.19.1 #193
Apr 30 18:51:14 venice kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 30 18:51:14 venice kernel: btrfs-transacti D ffff8800bcfac0d0 0 2065 2 0x00000000
Apr 30 18:51:14 venice kernel: ffff8800bcfac0d0 0000000000000000 ffff8802262289e0 0000000000014140
Apr 30 18:51:14 venice kernel: ffff88020c023fd8 0000000000014140 ffff8800bcfac0d0 0000000000000246
Apr 30 18:51:14 venice kernel: ffff8800b88779b8 ffff8800bcc9a800 ffff88020c023e20 ffff880223a69300
Apr 30 18:51:14 venice kernel: Call Trace:
Apr 30 18:51:14 venice kernel: [<ffffffffa0209735>] ? btrfs_commit_transaction+0x365/0x9d0 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffff810a8b60>] ? wait_woken+0x90/0x90
Apr 30 18:51:14 venice kernel: [<ffffffffa0205365>] ? transaction_kthread+0x245/0x260 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffffa0205120>] ? btrfs_cleanup_transaction+0x530/0x530 [btrfs]
Apr 30 18:51:14 venice kernel: [<ffffffff8108a033>] ? kthread+0xd3/0xf0
Apr 30 18:51:14 venice kernel: [<ffffffff81089f60>] ? kthread_create_on_node+0x180/0x180
Apr 30 18:51:14 venice kernel: [<ffffffff8155023c>] ? ret_from_fork+0x7c/0xb0
Apr 30 18:51:14 venice kernel: [<ffffffff81089f60>] ? kthread_create_on_node+0x180/0x180
Apr 30 18:52:08 venice kernel: perf interrupt took too long (2501 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
ffffffffa0205120>] ? btrfs_cleanup_transaction+0x530/0x530 [btrfs]
Apr 30 18:53:14 venice kernel: [<ffffffff8108a033>] ? kthread+0xd3/0xf0
Apr 30 18:53:14 venice kernel: [<ffffffff81089f60>] ? kthread_create_on_node+0x180/0x180
Apr 30 18:53:14 venice kernel: [<ffffffff8155023c>] ? ret_from_fork+0x7c/0xb0
Apr 30 18:53:14 venice kernel: [<ffffffff81089f60>] ? kthread_create_on_node+0x180/0x180
"btrfs check" (btrfs-progs v4.0) didn't report anything.
Doing a btrfs-zero-log /dev/sdd3, solved this problem and now the
filesystem works properly.
Before the btrfs-zero-log I made a btrfs-image (~44MB). If someone want to investigate
this issue more I can provide him the image.
The problem appeared both in the kernel 3.19.1 and 3.19.3.
Let me know.
BR
G.Baroncelli
[*] I am developing a driver for a mouse. This driver caused the crash.
--
gpg @keyserver.linux.it: Goffredo Baroncelli <kreijackATinwind.it>
Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5
next reply other threads:[~2015-04-30 17:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 17:17 Goffredo Baroncelli [this message]
2015-04-30 17:33 ` Bug report: filesystem needed btrf-zero-log Filipe David Manana
2015-04-30 17:37 ` Hugo Mills
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=554263A2.9060003@libero.it \
--to=kreijack@libero.it \
--cc=kreijack@inwind.it \
--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.