From: Adam Borowski <kilobyte@angband.pl>
To: Chris Mason <clm@fb.com>
Cc: Gabriel C <nix.or.die@gmail.com>,
linux-btrfs@vger.kernel.org, quwenruo@cn.fujitsu.com
Subject: Re: A lot warnings in dmesg while running thunderbird
Date: Fri, 8 Jul 2016 20:21:16 +0200 [thread overview]
Message-ID: <20160708182116.GA30214@angband.pl> (raw)
In-Reply-To: <73545420-2ce5-c4d3-d59a-98d2114bafd2@fb.com>
On Fri, Jul 08, 2016 at 12:02:35PM -0400, Chris Mason wrote:
> On 07/08/2016 11:02 AM, Gabriel C wrote:
> > [btrfs_destroy_inode again]
> Can you please run the attached test program:
>
> gcc -o short-write short-write.c -lpthread
> ./short-write some-new-file-on-btrfs
>
> I want to see if you're triggering the same problem we've tried to fix, or
> something else.
Looks like same, 4.6.3:
[239214.345100] ------------[ cut here ]------------
[239214.345122] WARNING: CPU: 0 PID: 28038 at fs/btrfs/inode.c:9261 btrfs_destroy_inode+0x22b/0x2a0
[239214.345127] Modules linked in: vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) nls_utf8 isofs loop tun usb_storage fuse nvidia(PO)
[239214.345153] CPU: 0 PID: 28038 Comm: short-write Tainted: P O 4.6.3-x32+ #8
[239214.345158] Hardware name: System manufacturer System Product Name/M4A77T, BIOS 2401 05/18/2011
[239214.345162] 0000000000000000 ffffffff813819b0 0000000000000000 0000000000000000
[239214.345170] ffffffff8108ce92 0000000000000000 ffff88010c2d71c8 ffff880222670800
[239214.345177] 0000000000000000 ffff88010c2d71c8 00000000ffffff9c ffffffff812b1e0b
[239214.345183] Call Trace:
[239214.345194] [<ffffffff813819b0>] ? dump_stack+0x46/0x66
[239214.345202] [<ffffffff8108ce92>] ? __warn+0xe2/0x100
[239214.345209] [<ffffffff812b1e0b>] ? btrfs_destroy_inode+0x22b/0x2a0
[239214.345216] [<ffffffff811b93bc>] ? do_unlinkat+0x12c/0x2f0
[239214.345224] [<ffffffff8174815f>] ? entry_SYSCALL_64_fastpath+0x17/0x93
[239214.345229] ---[ end trace ae49f2a4ae4a26ea ]---
[239214.404237] ------------[ cut here ]------------
[239214.404258] WARNING: CPU: 5 PID: 28038 at fs/btrfs/extent-tree.c:4233 btrfs_free_reserved_data_space_noquota+0x63/0x80
[239214.404262] Modules linked in: vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) nls_utf8 isofs loop tun usb_storage fuse nvidia(PO)
[239214.404286] CPU: 5 PID: 28038 Comm: short-write Tainted: P W O 4.6.3-x32+ #8
[239214.404291] Hardware name: System manufacturer System Product Name/M4A77T, BIOS 2401 05/18/2011
[239214.404295] 0000000000000000 ffffffff813819b0 0000000000000000 0000000000000000
[239214.404303] ffffffff8108ce92 0000000000001000 ffff880229415c00 00000000037ea000
[239214.404309] ffff8800c2ed7da0 ffff88000dd3d800 0000000000000000 ffffffff81287143
[239214.404315] Call Trace:
[239214.404325] [<ffffffff813819b0>] ? dump_stack+0x46/0x66
[239214.404333] [<ffffffff8108ce92>] ? __warn+0xe2/0x100
[239214.404341] [<ffffffff81287143>] ? btrfs_free_reserved_data_space_noquota+0x63/0x80
[239214.404349] [<ffffffff812877b1>] ? btrfs_delalloc_release_space+0x31/0x60
[239214.404356] [<ffffffff812b4301>] ? __btrfs_buffered_write+0x591/0x680
[239214.404364] [<ffffffff812b7802>] ? btrfs_file_write_iter+0x182/0x550
[239214.404372] [<ffffffff811a8419>] ? __vfs_write+0xa9/0xe0
[239214.404379] [<ffffffff811a934c>] ? vfs_write+0xac/0x1a0
[239214.404387] [<ffffffff811aa8c8>] ? SyS_pwrite64+0x88/0xa0
[239214.404394] [<ffffffff8174815f>] ? entry_SYSCALL_64_fastpath+0x17/0x93
[239214.404399] ---[ end trace ae49f2a4ae4a26eb ]---
... and sda1 is goes ro.
Single device, noatime,compress=lzo,ssd.
It's somewhat puzzling that back in the day applying 56244ef15 stopped this
reproducer for me, yet somehow it triggers again.
--
An imaginary friend squared is a real enemy.
next prev parent reply other threads:[~2016-07-08 18:21 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-07 10:24 A lot warnings in dmesg while running thunderbird Gabriel C
2016-07-07 19:21 ` Chris Mason
2016-07-08 9:57 ` Gabriel C
2016-07-08 12:41 ` Chris Mason
2016-07-08 14:05 ` Gabriel C
2016-07-08 15:02 ` Gabriel C
2016-07-08 16:02 ` Chris Mason
2016-07-08 18:21 ` Adam Borowski [this message]
2016-07-08 21:47 ` Adam Borowski
2016-07-08 18:23 ` Duncan
2016-07-11 5:58 ` Chandan Rajendra
2016-07-11 10:51 ` Chris Mason
2016-07-19 11:05 ` Chris Mason
2016-07-20 0:11 ` Gabriel C
2016-07-20 13:50 ` Chris Mason
2016-07-20 17:50 ` Gabriel C
2016-07-21 12:56 ` Chris Mason
2016-07-21 21:25 ` Gabriel C
2016-07-22 0:53 ` Adam Borowski
2016-07-25 0:36 ` Dave Chinner
2016-08-01 15:23 ` Chris Mason
2016-07-15 19:35 ` Chris Mason
2016-07-15 21:08 ` Chris Mason
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