* Rafael J. Wysocki <rjw@sisk.pl> wrote:

quoted text
> Subject		: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> Submitter	: Ingo Molnar <mingo@elte.hu>
> References	: http://lkml.org/lkml/2007/11/29/157
> 		  http://bugzilla.kernel.org/show_bug.cgi?id=9497
> Handled-By	: Matt Mackall <mpm@selenic.com>
> Patch		: http://lkml.org/lkml/2007/11/29/387

Matt, the above bug is still occuring en masse during random bootups:

[   67.828312] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
[   41.270905] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
[   82.378714] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
[   35.308126] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
[   35.484155] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()

and the patch does not seem to be upstream yet.

	Ingo
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