Is it reproducible?

----- Original Message -----
> From: "Roi Dayan" <roi.da...@gmail.com>
> To: vdsm-devel@lists.fedorahosted.org
> Cc: "Or Gerlitz" <ogerl...@mellanox.com>, "Itzik Brown" <itz...@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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