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Date: Sat, 29 Apr 2006 15:50:20 GMT
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From: Eugene Grosbein <eugen@grosbein.pp.ru>
Cc: 
Subject: Re: kern/91408 : [irq] ata(4) failure: SETFEATURES SET TRANSFER
	MODE semaphore timeout !! DANGER Will Robinson !!
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The following reply was made to PR kern/91408; it has been noted by GNATS.

From: Eugene Grosbein <eugen@grosbein.pp.ru>
To: bug-followup@freebsd.org
Cc: jhb@freebsd.org, lightsquid@logvinov.com
Subject: Re: kern/91408 : [irq] ata(4) failure: SETFEATURES SET TRANSFER MODE semaphore timeout !! DANGER Will Robinson !!
Date: Sat, 29 Apr 2006 23:41:58 +0800

 Hi!
 
 With 6.1-RC of today I have the same sympthoms as with 5.4-RELEASE
 (http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/80815):
 
 1) machine suffers from ATA timeouts if ACPI is fully enabled;
 2) debug.acpi.disable="pci_link" in /boot/loader.conf eliminates the problem.
 
 So, Soren seems to be right: this is interrupt routing problem
 and not ATA problem.
 
 The question is: should I consider the workaround mentioned above as solution?
 What will I miss if I keep debug.acpi.disable="pci_link" forever?
 
 http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/91408
 
 Eugene Grosbein