Messages in this thread Patch in this message | | | Date | Sun, 3 Sep 2006 01:16:54 +0200 | From | Pavel Machek <> | Subject | prevent swsusp with PAE |
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Next version of prevent-swsusp-with-PAE, this time I disable it in Kconfig.
PAE + swsusp results in hard-to-debug crash about 50% of time during resume. Cause is known, fix needs to be ported from x86-64 (but we can't make it to 2.6.18, and I'd like this to be worked around in 2.6.18).
Signed-off-by: Pavel Machek <pavel@suse.cz>
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index ae44a70..619ecab 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -56,7 +56,7 @@ config PM_TRACE config SOFTWARE_SUSPEND bool "Software Suspend" - depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP) + depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP) && !X86_PAE) || ((FRV || PPC32) && !SMP)) ---help--- Enable the possibility of suspending the machine. It doesn't need ACPI or APM. @@ -78,6 +78,10 @@ config SOFTWARE_SUSPEND For more information take a look at <file:Documentation/power/swsusp.txt>. + (For now, swsusp is incompatible with PAE aka HIGHMEM_64G on i386. + we need identity mapping for resume to work, and that is trivial + to get with 4MB pages, but less than trivial on PAE). + config PM_STD_PARTITION string "Default resume partition" depends on SOFTWARE_SUSPEND -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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