Messages in this thread | | | Date | Fri, 12 Nov 2004 16:31:14 -0700 (MST) | From | Zwane Mwaikambo <> | Subject | Re: 2.6.10-rc1-mm4 |
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On Wed, 10 Nov 2004, Andrew Morton wrote:
> Thomas Schlichter <thomas.schlichter@web.de> wrote: > > > > Today I tested the linux-2.6.10-rc1-mm4 kernel and it works fine with the > > attached config. But if I enable HIGHPTE, that kernel hits following BUG > > (written down by hand) and panics when the INIT process is started: > > > > kernel BUG at arch/i386/mm/highmem.c:63! > > EIP is at kunmap_atomic+0x27/0x70 > > Call Trace > > show_stack+0xa6/0xb0 > > show_register+0x14d/0x1c0 > > die+0x158/0x2e0 > > do_invalid_op+0xef/0x100 > > error_code+0x2b/0x30 > > copy_pte_range+0x122/0x490 > > This might help: > > > > > We're modifying src_pte and dst_pte in the for-loop, and then unmapping the > modified pointers. If one of them walked off the end of the page then blam.
Thanks that fixed it (but you already knew that).
Zwane
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