Re: IDE freeze & reset

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 22 Nov 1998 06:43:26 +0000 (GMT)


> - the kernel gets angry, reports
> hda: irq timeout: status=0xd0 { Busy }
> then resets the IDE bus and reports
> ide0: reset: success
>
> Does anybody have an idea on this stupid behaviour? This shouldn't be the
> BIOS turning off the HD when idle: I was definitely not idle at the
> moment. And, anyway, it shouldn't freeze the machine for several seconds.

APM is responsible for correctly restoring device state on an idle. APM
doesn't even allow the OS to get involved (this is one more reason for
ACPI). Be glad the kernel knows how to recover from the efforts of your
BIOS writer

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