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Date: Wed, 19 Jan 2005 23:42:57 -0800
From: Dave Walton <dwalton@acm.org>
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To: Gleb Smirnoff <glebius@freebsd.org>
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Subject: Re: Trouble with APM suspend in 5.3-R
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On 9 Nov 2004, Gleb Smirnoff wrote:
 >
 > Please try the following and report whether this helped.
 >
 > 1) Merge revision 1.233 of ata-all.c to your 5.3-RELEASE ata-all.c
 > 2) Apply patch I've sent to this list yesterday (Subject was 'CURRENT
 >    patchset for Thinkpad').
 > 3) Rebuild your kernel with new ata-all.c
 > 4) Reboot and try suspend/resume.

I've been unable to get APM suspend/resume to work with 5.3-R on my 
Thinkpad 770Z.  As released, 'apm -z' causes a lockup (it worked fine in 
4.x).  Revision 1.233 of ata-all.c fixes that, and 'apm -z' now causes 
the system to properly suspend to disk, as it had before.  However, when 
the system resumes, it spits out three errors regarding pir0, then 
panics.  This happens with or without your patch applied to ata-all.c.

Any suggestions?
Any other info I can provide that might be helpful?

Thanks,
Dave