Yes happens all the time.
It's a normal iscsi target over 1GbE

Roi

On 6 במרץ 2012, at 23:14, Saggi Mizrahi <smizrahi@redhat.com> wrote:

Is it reproducible?

----- Original Message -----
From: "Roi Dayan" <roi.dayan@gmail.com>
To: vdsm-devel@lists.fedorahosted.org
Cc: "Or Gerlitz" <ogerlitz@mellanox.com>, "Itzik Brown" <ItzikB@mellanox.com>
Sent: Tuesday, March 6, 2012 11:09:15 AM
Subject: [vdsm] Kernel crash on FC16



Hi,


After discovery I select a LUN and give it a name, I click OK and I
get a kernel crash.
The kernel version is 3.1.0-7
I pasted the log below.
Any idea?


Thanks,
Roi






Mar 6 18:00:55 xena018 kernel: [ 339.762969] ------------[ cut here
]------------

Mar 6 18:00:55 xena018 kernel: [ 339.763233] kernel BUG at
block/blk-flush.c:323!

Mar 6 18:00:55 xena018 kernel: [ 339.763496] invalid opcode: 0000
[#1] SMP

Mar 6 18:00:55 xena018 kernel: [ 339.763839] CPU 6

Mar 6 18:00:55 xena018 kernel: [ 339.763885] Modules linked in:
ebtable_nat ebtables 8021q garp bonding lockd bridge stp llc
be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i
libcxgbi cxgb3 mdio iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi ib_ipoib rdma_ucm xt_multiport ib_ucm ib_uverbs
ib_umad rdma_cm ib_cm ip6t_REJECT iw_cm nf_conntrack_ipv6
nf_defrag_ipv6 xt_state ib_addr nf_conntrack ip6table_filter ib_sa
ip6_tables dm_round_robin dm_multipath mlx4_ib ib_mad ib_core sunrpc
vhost_net igb i7core_edac edac_core i2c_i801 ioatdma macvtap macvlan
tun virtio_net iTCO_wdt i2c_core kvm_intel iTCO_vendor_support dca
kvm joydev mlx4_core serio_raw microcode uinput [last unloaded:
ib_iser]

Mar 6 18:00:55 xena018 kernel: [ 339.769133]

Mar 6 18:00:55 xena018 kernel: [ 339.769387] Pid: 3217, comm:
mkfs.ext2 Not tainted 3.1.0-7.fc16.x86_64 #1 Supermicro X8DTU/X8DTU

Mar 6 18:00:55 xena018 kernel: [ 339.770000] RIP:
0010:[<ffffffff8120e16f>] [<ffffffff8120e16f>]
blk_insert_flush+0x84/0x101

Mar 6 18:00:55 xena018 kernel: [ 339.770529] RSP:
0018:ffff880629ab3c28 EFLAGS: 00010046

Mar 6 18:00:55 xena018 kernel: [ 339.770785] RAX: 0000000000000000
RBX: ffff880319410e30 RCX: 0000000008018215

Mar 6 18:00:55 xena018 kernel: [ 339.771050] RDX: 0000000000000000
RSI: 0000000000000001 RDI: ffff8806291cd008

Mar 6 18:00:55 xena018 kernel: [ 339.771314] RBP: ffff880629ab3c38
R08: ffff8806291cd008 R09: 0000000000000001

Mar 6 18:00:55 xena018 kernel: [ 339.771571] R10: 0000000000000001
R11: ffff880622982378 R12: ffff880319410e30

Mar 6 18:00:55 xena018 kernel: [ 339.771827] R13: 0000000000000046
R14: 0000000000000005 R15: ffff88061f0c4c00

Mar 6 18:00:55 xena018 kernel: [ 339.772085] FS:
00007fedacb44780(0000) GS:ffff88063fc00000(0000)
knlGS:0000000000000000

Mar 6 18:00:55 xena018 kernel: [ 339.772542] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033

Mar 6 18:00:55 xena018 kernel: [ 339.772794] CR2: 00000000017f4e70
CR3: 0000000628c25000 CR4: 00000000000006e0

Mar 6 18:00:55 xena018 kernel: [ 339.773056] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000

Mar 6 18:00:55 xena018 kernel: [ 339.773316] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400

Mar 6 18:00:55 xena018 kernel: [ 339.773573] Process mkfs.ext2 (pid:
3217, threadinfo ffff880629ab2000, task ffff88062569dcc0)

Mar 6 18:00:55 xena018 kernel: [ 339.774033] Stack:

Mar 6 18:00:55 xena018 kernel: [ 339.774284] ffff8806291cd008
ffff8806291cd008 ffff880629ab3c68 ffffffff812069f0

Mar 6 18:00:55 xena018 kernel: [ 339.774909] ffff8806291cd008
ffff880319410e30 0000000000000046 0000000000000005

Mar 6 18:00:55 xena018 kernel: [ 339.775530] ffff880629ab3c98
ffffffff8120b234 ffff8806291cd008 ffff880622982378

Mar 6 18:00:55 xena018 kernel: [ 339.776153] Call Trace:

Mar 6 18:00:55 xena018 kernel: [ 339.776405] [<ffffffff812069f0>]
__elv_add_request+0x1a5/0x1df

Mar 6 18:00:55 xena018 kernel: [ 339.776659] [<ffffffff8120b234>]
blk_insert_cloned_request+0x67/0x89

Mar 6 18:00:55 xena018 kernel: [ 339.776917] [<ffffffff8138df81>]
dm_dispatch_request+0x3b/0x61

Mar 6 18:00:55 xena018 kernel: [ 339.777172] [<ffffffff8138f76a>]
dm_request_fn+0x151/0x1f4

Mar 6 18:00:55 xena018 kernel: [ 339.777429] [<ffffffff8120731d>]
__blk_run_queue+0x1b/0x1d

Mar 6 18:00:55 xena018 kernel: [ 339.777685] [<ffffffff8120cc25>]
__make_request+0x276/0x2a9

Mar 6 18:00:55 xena018 kernel: [ 339.777944] [<ffffffff8138ea4b>]
dm_request+0x30/0x172

Mar 6 18:00:55 xena018 kernel: [ 339.778201] [<ffffffff8120b5a1>]
generic_make_request+0x27d/0x312

Mar 6 18:00:55 xena018 kernel: [ 339.778464] [<ffffffff810e0425>] ?
mempool_alloc_slab+0x15/0x17

Mar 6 18:00:55 xena018 kernel: [ 339.778723] [<ffffffff8120b714>]
submit_bio+0xde/0xfd

Mar 6 18:00:55 xena018 kernel: [ 339.778981] [<ffffffff81150dfb>] ?
bio_alloc_bioset+0x4c/0xc3

Mar 6 18:00:55 xena018 kernel: [ 339.779240] [<ffffffff8120dd33>]
blkdev_issue_flush+0x8f/0xcf

Mar 6 18:00:55 xena018 kernel: [ 339.779501] [<ffffffff811522f1>]
blkdev_fsync+0x35/0x42

Mar 6 18:00:55 xena018 kernel: [ 339.779759] [<ffffffff8114b3d7>]
vfs_fsync_range+0x23/0x25

Mar 6 18:00:55 xena018 kernel: [ 339.780012] [<ffffffff8114b3f5>]
vfs_fsync+0x1c/0x1e

Mar 6 18:00:55 xena018 kernel: [ 339.780260] [<ffffffff8114b6b4>]
sys_fsync+0x29/0x3c

Mar 6 18:00:55 xena018 kernel: [ 339.780512] [<ffffffff814bc482>]
system_call_fastpath+0x16/0x1b

Mar 6 18:00:55 xena018 kernel: [ 339.780761] Code: 80 e4 f3 41 89 40
40 85 f6 75 11 31 c9 31 d2 4c 89 c7 e8 df e2 ff ff e9 87 00 00 00 49
8b 40 60 48 85 c0 74 06 49 3b 40 68 74 02 <0f> 0b 83 fe 02 75 19 48
8b 73 08 4c 89 c7 48 89 da e8 40 15 02

Mar 6 18:00:55 xena018 kernel: [ 339.784140] RIP [<ffffffff8120e16f>]
blk_insert_flush+0x84/0x101

Mar 6 18:00:55 xena018 kernel: [ 339.784450] RSP <ffff880629ab3c28>

Mar 6 18:00:55 xena018 kernel: [ 339.784737] ---[ end trace
91d8c37eac182b74 ]---



--




Roi

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