On Wed, 2007-05-09 at 00:10 -0700, Andrew Morton wrote: > > > find an updated patch below. It fixes the problem on Ingo's > > > VAIO-of-fun-emulator and I got confirmation from several other affected > > > users, that the patch series is still solving their problems. > > > > > > > The machine is still hanging with this patch applied. What did change since yesterday ? > yup, that now survives suspend-to-disk and resume, thanks. > > suspend-to-disk gets up to "swsusp: critical section: done (NNN pages copied)" > > > > No netconsole, no printk-timestamping. > > > > ho hum, I guess I get to debug this. > > It got ugly. > > We finish swsusp_save() and a few other functions then we go > > hibernate > ->platform_finish > ->acpi_hibernation_finish > ->acpi_leave_sleep_state > ->acpi_evaluate_object > > and there it dies, in this call: > > status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL); > > I wonder how your patch caused that? hmm, that's more than strange > <debugs further> > > OK, it gets to the last statement in acpi_evaluate_object(): > > return_ACPI_STATUS(status); > > but doesn't hit the printk on return to the caller, > acpi_leave_sleep_state(). > > A working theory would be that something we did trashed the stack in > acpi_evaluate_object(). > > <switches from 8k stacks to 4k. No change> > > foo. I'm not sure what to do now. Hmm. Do we enable interrupts somewhere where we should not ? /me goes looking for such places. tglx - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
