Messages in this thread Patch in this message |  | | Date | Thu, 31 Aug 2006 15:53:36 +0200 | | From | Pavel Machek <> | | Subject | prevent swsusp with PAE |
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If HIGHMEM64G and swsusp are used at the same time, nasty random crashes happen during resume. Cause is known; prevent that combination.
I guess I'd like to see this one in 2.6.18...
Signed-off-by: Pavel Machek <pavel@suse.cz>
--- commit acb3b411ec93f827b25b8481d53670c5c9195d89 tree f52cd5518e34af16fe5ae28064717bcc95929f28 parent cd03e183c58e6e7073e054a7fe335cf50c61fe2f author <pavel@amd.ucw.cz> Thu, 31 Aug 2006 15:52:34 +0200 committer <pavel@amd.ucw.cz> Thu, 31 Aug 2006 15:52:34 +0200
include/asm-i386/suspend.h | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/include/asm-i386/suspend.h b/include/asm-i386/suspend.h index 08be1e5..01cd812 100644 --- a/include/asm-i386/suspend.h +++ b/include/asm-i386/suspend.h @@ -16,6 +16,15 @@ arch_prepare_suspend(void) printk(KERN_ERR "PSE is required for swsusp.\n"); return -EPERM; } + +#ifdef CONFIG_X86_PAE + printk(KERN_ERR "swsusp is incompatible with PAE.\n"); + /* This is actually instance of the same problem. We need + identity mapping self-contained in swsusp_pg_dir, and PAE + prevents that. Solution could be copied from x86_64. */ + return -EPERM; +#endif + return 0; } -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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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