Summary: zt3000: lockup when entering S3
Kernel Version: 2.6.10
Hardware Environment: HP zt3000 (centrino, etc, sister model to nx7000)
Software Environment: vanilla 2.6.10 with minimum options (no preempt, fb, apic,
My zt3000 locks up when attempting to enter S3 sleep mode.
By enabling full debug, I managed to trace the problem down to the following
line in hardware/hwsleep.c:
status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
around line 350.
Trace shows it entering regiester write, but never returning.
The screen stays on, the cursor blinks, but otherwise the machine is dead.
S4 seems to work fine. Any ideas?
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