On 03/07/2012 01:35 PM, Roi Dayan wrote:
tried it.
I don't have any problems.


Wondering if trying as user vdsm will reproduce ? Might be worth trying.
su - vdsm -s /bin/bash
<try in the new shell>



On Wed, Mar 7, 2012 at 12:14 AM, Saggi Mizrahi <smizr...@redhat.com <mailto:smizr...@redhat.com>> wrote:

    Could you try and run:
    `mkfs.ext2 -q -j -E nodiscard /dev/lun`
    where lun is a lun on said target.
    If nothing crashes.
    Could you please create a VG and an LV on a lun and run the same
    command on the LV.

    I assume one of these will reproduce the crash.

    ----- Original Message -----
    > From: "Roi Dayan" <roi.da...@gmail.com <mailto:roi.da...@gmail.com>>
    > To: "Saggi Mizrahi" <smizr...@redhat.com
    <mailto:smizr...@redhat.com>>
    > Cc: "Or Gerlitz" <ogerl...@mellanox.com
    <mailto:ogerl...@mellanox.com>>, "Itzik Brown"
    <itz...@mellanox.com <mailto:itz...@mellanox.com>>,
    vdsm-devel@lists.fedorahosted.org
    <mailto:vdsm-devel@lists.fedorahosted.org>
    > Sent: Tuesday, March 6, 2012 4:17:45 PM
    > Subject: Re: [vdsm] Kernel crash on FC16
    >
    >
    >
    > Yes happens all the time.
    > It's a normal iscsi target over 1GbE
    >
    > Roi
    >
    > On 6 במרץ 2012, at 23:14, Saggi Mizrahi < smizr...@redhat.com
    <mailto:smizr...@redhat.com> >
    > wrote:
    >
    >
    >
    >
    >
    > Is it reproducible?
    >
    > ----- Original Message -----
    >
    >
    > From: "Roi Dayan" < roi.da...@gmail.com
    <mailto:roi.da...@gmail.com> >
    >
    >
    > To: vdsm-devel@lists.fedorahosted.org
    <mailto:vdsm-devel@lists.fedorahosted.org>
    >
    >
    > Cc: "Or Gerlitz" < ogerl...@mellanox.com
    <mailto:ogerl...@mellanox.com> >, "Itzik Brown" <
    > itz...@mellanox.com <mailto: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
    >
    >
    >
    >
    >
    > _______________________________________________
    >
    >
    > vdsm-devel mailing list
    >
    >
    > vdsm-devel@lists.fedorahosted.org
    <mailto:vdsm-devel@lists.fedorahosted.org>
    >
    >
    > https://fedorahosted.org/mailman/listinfo/vdsm-devel
    >
    >
    >
    >




--

*Roi *



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