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List: freebsd-scsi
Subject: Re: camcontrol rescan all - locks system
From: Dan Langille <dan () langille ! org>
Date: 2010-08-28 16:48:21
Message-ID: 4C793DD5.6020300 () langille ! org
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On 8/28/2010 12:14 PM, Dan Langille wrote:
> On 8/28/2010 12:07 PM, Attilio Rao wrote:
>> Can you use procstat on the camcontrol?
>
> The system is completely unresponsive.
>
>> Is this problem easilly reproducible for you?
>
> I believe so. I have seen this behavior before, on another system.
>
> FYI, I went to the console to reboot. CTL-ALT-DEL had no [immediate]
> effect. Then I hit the power button. Then these messages started
> appearing every 20 seconds on the console:
>
> swap_pager: indefinite wait buffer: bufobj: 0, blkno: 928, size 4096
>
> Screen shot here:
>
> http://www.flickr.com/photos/20922021@N04/4934586561/
>
> I will probably power cycle the system to get it back. Given that the
> system goes unresponsive if I do an camcontrol, what debugging can I
> provide?
Since my last post, I'm seeing new console message:
Approaching the limit on PV entries, consider increasing either the
vm.pmap.shpgperproc or the vm.pmap.pv_entry_max sysctl.
Screenshot:
http://www.flickr.com/photos/20922021@N04/4934683561/
--
Dan Langille - http://langille.org/
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