Re: [2.6.14-rc1] sym scsi boot hang

Anton Blanchard
2005-09-13T17:18:10Z

Hi,

> If that's the cause, it's probably a double down of the host scan
> semaphore somewhere in the code. alt-sysrq-t should work in this case,
> can you get a stack trace of the blocked process?

Good idea, I wonder why the IO isnt completing.

Anton

[c0000000004945fc] schedule+0x63c/0xf70
[c0000000004954c8] wait_for_completion+0xb8/0x140
[c0000000002a3800] blk_execute_rq+0xb0/0x120
[c000000000338a98] scsi_execute+0xf8/0x150
[c000000000338bc0] scsi_execute_req+0xd0/0x140
[c00000000033bce4] scsi_probe_and_add_lun+0x204/0x9f0
[c00000000033cfc4] __scsi_scan_target+0x164/0x4f0
[c00000000033d430] scsi_scan_channel+0xe0/0x120
[c00000000033d598] scsi_scan_host_selected+0x128/0x1d0
[c000000000361c20] ibmvscsi_probe+0x270/0x400
[c0000000000367fc] vio_bus_probe+0x7c/0x90
[c000000000299a78] driver_probe_device+0x98/0x160
[c000000000299ce8] __driver_attach+0xa8/0xd0
[c000000000298938] bus_for_each_dev+0x88/0xe0
[c000000000299738] driver_attach+0x28/0x40
[c000000000299074] bus_add_driver+0xc4/0x200
[c00000000029a1cc] driver_register+0x5c/0x80
[c0000000000365b0] vio_register_driver+0x50/0x70
[c000000000565bac] ibmvscsi_module_init+0x1c/0x40