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| author | Pavel Machek <pavel@ucw.cz> | 2006-09-06 00:03:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-06 11:00:02 -0700 |
| commit | 471b40d0dfc17bf0161629950b82524d41bc37ce (patch) | |
| tree | 1f3a95ec7a182e313556afe16d8107444d090fa8 | |
| parent | 96dd7421a06a5bc6eb731323b95efcb2fd864854 (diff) | |
| download | lwn-471b40d0dfc17bf0161629950b82524d41bc37ce.tar.gz lwn-471b40d0dfc17bf0161629950b82524d41bc37ce.zip | |
[PATCH] prevent swsusp with PAE
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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | kernel/power/Kconfig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index ae44a70aae8a..619ecabf7c58 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 |