On Mon, Jan 14, 2013 at 7:56 PM, Jens Axboe [off-list ref] wrote:

On 2013-01-14 19:33, Sedat Dilek wrote:

quoted

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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