I get these messages after doing a switchdisable and waiting for the fibre channel
rports to be removed and then doing a switchenable. It is driver agnostic.
I didn't notice these messages at this severity with rc3. With rc3 I'd see one
every once in the while. So, something has brought this out big time.
http://marc.theaimsgroup.com/?l=linux-scsi&m=114589164424203&w=2
and
http://marc.theaimsgroup.com/?l=linux-kernel&m=114443482812255&w=2
I think my comment in the previous posting about "missing partitions"
is a wild goose and should be ignored.
I have the recent fc transport patch applied which fixes the scan vs. delete
deadlocks but I tested both with and without.
([PATCH] fc transport: resolve scan vs delete deadlocks)
This appears to occur now for each target on the fabric. It's no longer
intermittent.
Mike
May 17 14:08:15 duck kernel: kobject_add failed for 2:0:38:0 with -EEXIST, don't try to register things\
with the same name in the same directory.
May 17 14:08:15 duck kernel:
May 17 14:08:15 duck kernel: Call Trace:
May 17 14:08:15 duck kernel: [<a000000100012560>] show_stack+0x40/0xa0
May 17 14:08:15 duck kernel: sp=e00000301520fa80 bsp=e000003015209340
May 17 14:08:15 duck kernel: [<a0000001000125f0>] dump_stack+0x30/0x60
May 17 14:08:15 duck kernel: sp=e00000301520fc50 bsp=e000003015209328
May 17 14:08:15 duck kernel: [<a00000010040da80>] kobject_add+0x3a0/0x420
May 17 14:08:15 duck kernel: sp=e00000301520fc50 bsp=e0000030152092e8
May 17 14:08:15 duck kernel: [<a0000001004e3a60>] device_add+0xe0/0x2e0
May 17 14:08:15 duck kernel: sp=e00000301520fc50 bsp=e0000030152092a8
May 17 14:08:15 duck kernel: [<a0000001005646a0>] scsi_sysfs_add_sdev+0x60/0x520
May 17 14:08:15 duck kernel: sp=e00000301520fc50 bsp=e000003015209260
May 17 14:08:15 duck kernel: [<a000000100560250>] scsi_probe_and_add_lun+0x11b0/0x1440
May 17 14:08:15 duck kernel: sp=e00000301520fc50 bsp=e0000030152091f0
May 17 14:08:15 duck kernel: [<a0000001005618a0>] __scsi_scan_target+0x720/0xb60
May 17 14:08:15 duck kernel: sp=e00000301520fc70 bsp=e000003015209188
May 17 14:08:15 duck kernel: [<a000000100562290>] scsi_scan_target+0xd0/0x100
May 17 14:08:15 duck kernel: sp=e00000301520fcd0 bsp=e000003015209138
May 17 14:08:15 duck kernel: [<a00000010056f400>] fc_scsi_scan_rport+0xe0/0x160
May 17 14:08:15 duck kernel: sp=e00000301520fcd0 bsp=e000003015209110
May 17 14:08:15 duck kernel: [<a0000001000cac40>] run_workqueue+0x1c0/0x280
May 17 14:08:15 duck kernel: sp=e00000301520fcd0 bsp=e0000030152090d0
May 17 14:08:15 duck kernel: [<a0000001000cbf90>] worker_thread+0x1d0/0x260
May 17 14:08:15 duck kernel: sp=e00000301520fcd0 bsp=e0000030152090a0
May 17 14:08:15 duck kernel: [<a0000001000d3be0>] kthread+0x220/0x2a0
May 17 14:08:15 duck kernel: sp=e00000301520fd50 bsp=e000003015209058
May 17 14:08:15 duck kernel: [<a000000100010af0>] kernel_thread_helper+0xd0/0x100
May 17 14:08:15 duck kernel: sp=e00000301520fe30 bsp=e000003015209030
May 17 14:08:15 duck kernel: [<a000000100009140>] start_kernel_thread+0x20/0x40
May 17 14:08:15 duck kernel: sp=e00000301520fe30 bsp=e000003015209030
May 17 14:08:15 duck kernel: error 1
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