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From: Anton Blanchard <anton@samba.org>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Dipankar Sarma <dipankar@in.ibm.com>,
	SCSI Mailing List <linux-scsi@vger.kernel.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [2.6.14-rc1] sym scsi boot hang
Date: Wed, 14 Sep 2005 02:47:27 +1000	[thread overview]
Message-ID: <20050913164727.GA26353@krispykreme> (raw)
In-Reply-To: <1126629345.4809.36.camel@mulgrave>


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

  reply	other threads:[~2005-09-13 17:18 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-13 12:48 [2.6.14-rc1] sym scsi boot hang Dipankar Sarma
2005-09-13 13:17 ` Anton Blanchard
2005-09-13 14:29   ` Anton Blanchard
2005-09-13 16:35     ` James Bottomley
2005-09-13 16:47       ` Anton Blanchard [this message]
2005-09-13 17:32         ` James Bottomley
2005-09-13 17:13           ` Anton Blanchard
2005-09-13 17:33           ` Dipankar Sarma
2005-09-14  8:06       ` Anton Blanchard
2005-09-14 15:49         ` Alan Stern
2005-09-14 16:52           ` Mike Christie
2005-09-14 16:53             ` Mike Christie
2005-09-14 20:35           ` James Bottomley
2005-09-14 16:57         ` James Bottomley
2005-09-14 20:19           ` Alan Stern
2005-09-14 20:44             ` James Bottomley
2005-09-14 21:33               ` Alan Stern
2005-09-15 13:56                 ` James Bottomley
2005-09-15 14:13                   ` Alan Stern
2005-09-15 17:52                   ` Alan Stern
2005-09-16 10:28           ` Anton Blanchard

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