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kern/46547: umass: sd crashes when synchronizing cache while trying to suspend
>Synopsis: umass: sd crashes when synchronizing cache while trying to
>Arrival-Date: Tue Jun 05 17:05:00 +0000 2012
>Originator: Nat Sloss
>Release: NetBSD Current 6.99.7
NetBSD beast 6.99.7 NetBSD 6.99.7 (LOCKDEBUG) #64: Tue Jun 5 17:42:52 EST 2012
If booted up from a usb flash drive and then attempting to sleep (acpi state 3)
the kernel crashes whilst trying to synchronize the cache.
The following was obtained from the crash:
Flushing disk caches done.
umass generic HBA error.
sd0 cache synchronization failed.
It then drops into ddb where I obtained the following back trace:
page fault type 6 code 0 eip 0 invalid address
This problem has been bugging me for a while. It did not occur in NetBSD 5.0.1.
The usb device still has power to it whilst this occurs (there is an indicator
I can shutdown ok, it just crashes while attempting to suspend.
Boot up from an installation on a usb flash drive and try to suspend (acpi
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