Messages in this thread | | | From | Jeremy Maitin-Shepard <> | Subject | Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump | Date | Fri, 21 Sep 2007 17:08:49 -0400 |
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"Rafael J. Wysocki" <rjw@sisk.pl> writes:
> On Friday, 21 September 2007 22:26, Jeremy Maitin-Shepard wrote: >> "Rafael J. Wysocki" <rjw@sisk.pl> writes: >> >> [snip] >> >> > The ACPI NVS area is explicitly marked as reserved and we don't save it. >> > On x86_64 we don't save any memory areas marked as reserved and yet the > above >> > happens. >> >> I think you have mentioned before, though, that ACPI is first >> initialized by the boot kernel, before it is later initialized by >> resuming kernel. This could well be the source of the problem.
> No, it's not. I have tested that too with an ACPI-less boot kernel.
Well, it seems that there just must be some other bug. I would define anything that differs between the post-resume initialization of ACPI from the normal boot initialization of ACPI as a bug. If the interaction with the hardware is the same, then the behavior will be the same.
-- Jeremy Maitin-Shepard - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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