We've just started getting this. We're running 5.10, kernel 2.6.32-358.18.1.el6.x86_64. Anyone else seen anything like this, or have any ideas?
mark
Nov 1 14:34:21 <server> kernel: WARNING: at block/ll_rw_blk.c:543 blk_do_ordered() Nov 1 14:34:21 <server> kernel: Nov 1 14:34:21 <server> kernel: Call Trace: Nov 1 14:34:22 <server> kernel: [<ffffffff8014defa>] blk_do_ordered+0x27a/0x2b3 Nov 1 14:34:22 <server> kernel: [<ffffffff8014ac82>] elv_next_request+0x13e/0x178 Nov 1 14:34:22 <server> kernel: [<ffffffff8807b335>] :scsi_mod:scsi_request_fn+0x6a/0x392 Nov 1 14:34:22 <server> kernel: [<ffffffff8005abd2>] generic_unplug_device+0x22/0x32 Nov 1 14:34:22 <server> kernel: [<ffffffff8004d957>] run_workqueue+0x9e/0xfb Nov 1 14:34:22 <server> kernel: [<ffffffff8004a1aa>] worker_thread+0x0/0x122 Nov 1 14:34:22 <server> kernel: [<ffffffff800a3d4a>] keventd_create_kthread+0x0/0xc4 Nov 1 14:34:22 <server> kernel: [<ffffffff8004a29a>] worker_thread+0xf0/0x122 Nov 1 14:34:22 <server> kernel: [<ffffffff8008f4a9>] default_wake_function+0x0/0xe Nov 1 14:34:22 <server> kernel: [<ffffffff800a3d4a>] keventd_create_kthread+0x0/0xc4 Nov 1 14:34:22 <server> kernel: [<ffffffff800a3d4a>] keventd_create_kthread+0x0/0xc4 Nov 1 14:34:22 <server> kernel: [<ffffffff80032c68>] kthread+0xfe/0x132 Nov 1 14:34:22 <server> kernel: [<ffffffff8005dfc1>] child_rip+0xa/0x11 Nov 1 14:34:22 <server> kernel: [<ffffffff800a3d4a>] keventd_create_kthread+0x0/0xc4 Nov 1 14:34:23 <server> kernel: [<ffffffff80032b6a>] kthread+0x0/0x132 Nov 1 14:34:23 <server> kernel: [<ffffffff8005dfb7>] child_rip+0x0/0x11