linux-kernel - Re: [next-20130114] Call-trace in LTP (lite) madvise02 test (block|mm|vfs related?)

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Date:	Mon, 14 Jan 2013 20:28:33 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	linux-next <linux-next@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [next-20130114] Call-trace in LTP (lite) madvise02 test
 (block|mm|vfs related?)

On Mon, Jan 14, 2013 at 7:56 PM, Jens Axboe <axboe@...nel.dk> wrote:
> On 2013-01-14 19:33, Sedat Dilek wrote:
>> Hi,
>>
>> while running LTP lite on my next-20130114 kernel I hit this
>> call-trace (file attached).
>>
>> Looks to me like problem in the block layer, but not sure.
>> Might one of the experts have look at it?
>
> Really? 600kb of data to look through? Can't you just paste the actual
> error, I can't even find it...
>

$ cat call-trace_ltplite_madvise02_next-20130114.txt
Jan 14 17:47:14 fambox kernel: [ 1263.965957] ------------[ cut here
]------------
Jan 14 17:47:14 fambox kernel: [ 1263.965989] Kernel BUG at
ffffffff81328b2b [verbose debug info unavailable]
Jan 14 17:47:14 fambox kernel: [ 1263.966022] invalid opcode: 0000 [#1] SMP
Jan 14 17:47:14 fambox kernel: [ 1263.966046] Modules linked in:
snd_hda_codec_hdmi snd_hda_codec_realtek joydev coretemp kvm_intel kvm
snd_hda_intel snd_hda_codec arc4 iwldvm snd_hwdep snd_pcm
ghash_clmulni_intel mac80211 aesni_intel i915 snd_page_alloc xts
snd_seq_midi aes_x86_64 snd_seq_midi_event uvcvideo lrw gf128mul
iwlwifi snd_rawmidi ablk_helper snd_seq i2c_algo_bit cryptd
drm_kms_helper snd_timer videobuf2_vmalloc drm snd_seq_device
videobuf2_memops psmouse parport_pc snd cfg80211 btusb rfcomm
videobuf2_core bnep microcode ppdev soundcore videodev samsung_laptop
wmi lp bluetooth serio_raw mei mac_hid hid_generic video lpc_ich
parport usbhid hid r8169
Jan 14 17:47:14 fambox kernel: [ 1263.966377] CPU 3
Jan 14 17:47:14 fambox kernel: [ 1263.966388] Pid: 7803, comm:
madvise02 Not tainted 3.8.0-rc3-next20130114-5-iniza-generic #1
SAMSUNG ELECTRONICS CO., LTD.
530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH
Jan 14 17:47:14 fambox kernel: [ 1263.966450] RIP:
0010:[<ffffffff81328b2b>]  [<ffffffff81328b2b>]
blk_flush_plug_list+0x1eb/0x210
Jan 14 17:47:14 fambox kernel: [ 1263.966508] RSP:
0018:ffff88000d933e58  EFLAGS: 00010287
Jan 14 17:47:14 fambox kernel: [ 1263.966532] RAX: 0000000091827364
RBX: ffff88000d933e68 RCX: 0000000000000000
Jan 14 17:47:14 fambox kernel: [ 1263.966566] RDX: 0000000000000000
RSI: 0000000000000000 RDI: ffff88000d933f10
Jan 14 17:47:14 fambox kernel: [ 1263.966614] RBP: ffff88000d933eb8
R08: 0000000000000003 R09: 0000000000000000
Jan 14 17:47:14 fambox kernel: [ 1263.966656] R10: 00007fff3d62c9b0
R11: 0000000000000206 R12: 0000000000000000
Jan 14 17:47:14 fambox kernel: [ 1263.966696] R13: 0000000000001000
R14: ffff88000d933f10 R15: ffff88000d933f10
Jan 14 17:47:14 fambox kernel: [ 1263.966736] FS:
00007f56bcbc2700(0000) GS:ffff88011fac0000(0000)
knlGS:0000000000000000
Jan 14 17:47:14 fambox kernel: [ 1263.966780] CS:  0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Jan 14 17:47:14 fambox kernel: [ 1263.966813] CR2: 00007f56bc6ec060
CR3: 000000000bf66000 CR4: 00000000000407e0
Jan 14 17:47:14 fambox kernel: [ 1263.966848] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
Jan 14 17:47:14 fambox kernel: [ 1263.966885] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jan 14 17:47:14 fambox kernel: [ 1263.966921] Process madvise02 (pid:
7803, threadinfo ffff88000d932000, task ffff88000d9f2e40)
Jan 14 17:47:14 fambox kernel: [ 1263.966963] Stack:
Jan 14 17:47:14 fambox kernel: [ 1263.966978]  0000000000000001
0000000000000001 ffff88000d933e68 ffff88000d933e68
Jan 14 17:47:14 fambox kernel: [ 1263.967024]  ffff88000d933ef8
ffffffff8114b77c ffff88000d933ec0 ffff88000d933f10
Jan 14 17:47:14 fambox kernel: [ 1263.967071]  0000000000000000
0000000000001000 0000000000010000 ffff88000d933f10
Jan 14 17:47:14 fambox kernel: [ 1263.967118] Call Trace:
Jan 14 17:47:14 fambox kernel: [ 1263.967137]  [<ffffffff8114b77c>] ?
vm_mmap_pgoff+0xbc/0xe0
Jan 14 17:47:14 fambox kernel: [ 1263.967173]  [<ffffffff81328b68>]
blk_finish_plug+0x18/0x50
Jan 14 17:47:14 fambox kernel: [ 1263.967209]  [<ffffffff811544d8>]
sys_madvise+0xc8/0x3a0
Jan 14 17:47:14 fambox kernel: [ 1263.967247]  [<ffffffff816ba0e9>] ?
do_page_fault+0x39/0x50
Jan 14 17:47:14 fambox kernel: [ 1263.967288]  [<ffffffff816be79d>]
system_call_fastpath+0x1a/0x1f
Jan 14 17:47:14 fambox kernel: [ 1263.967331] Code: 4d 85 ff 74 0d 44
89 e2 89 c6 4c 89 ff e8 be b5 ff ff 4c 89 ef 57 9d 66 66 90 66 90 48
83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b 31 d2 be ed ff ff ff
4c 89 f7 89 45 a8 e8 91 f9 ff ff 8b
Jan 14 17:47:14 fambox kernel: [ 1263.967589] RIP
[<ffffffff81328b2b>] blk_flush_plug_list+0x1eb/0x210
Jan 14 17:47:14 fambox kernel: [ 1263.967630]  RSP <ffff88000d933e58>
Jan 14 17:47:14 fambox kernel: [ 1263.989553] ---[ end trace
19e1575014ab42a7 ]---

- Sedat -

> --
> Jens Axboe
>
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