Adaptec driver suspend bug ahc_dv_0

From: Steven Newbury
Date: Fri Dec 17 2004 - 11:06:48 EST

(Using current bk linus kernel 20041216)
When attempting to use ACPI sleep states on this system, one of the Adaptec
driver kernel threads fails to stop:

Dec 17 00:32:47 comet kernel: stopping tasks failed (1 tasks remaining)
Dec 17 00:32:47 comet kernel: Restarting tasks...<6> Strange, ahc_dv_0 not stop

The ahc_dv_0 thread then spins using 100% CPU in System until the computer is

lspci output:

00:00.0 Host bridge: VIA Technologies, Inc. VT82C693A/694x [Apollo PRO133x]
(rev 44)
00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo MVP3/Pro133x
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C596 ISA [Mobile South] (rev 12)
00:07.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:07.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 08)
00:07.3 Host bridge: VIA Technologies, Inc. VT82C596 Power Management (rev 20)
00:08.0 SCSI storage controller: Adaptec AIC-7892A U160/m (rev 02)
00:09.0 Ethernet controller: Accton Technology Corporation EN-1216 Ethernet
Adapter (rev 11)
00:0b.0 Multimedia audio controller: ESS Technology ES1969 Solo-1 Audiodrive
(rev 01)
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04)


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