* Re: 2.6.10-rc1-mm3 [not found] ` <418B5C70.7090206@kolivas.org.suse.lists.linux.kernel> @ 2004-11-05 11:53 ` Andi Kleen 2004-11-05 12:16 ` 2.6.10-rc1-mm3 Con Kolivas 0 siblings, 1 reply; 6+ messages in thread From: Andi Kleen @ 2004-11-05 11:53 UTC (permalink / raw) To: Con Kolivas; +Cc: linux-kernel Con Kolivas <kernel@kolivas.org> writes: > It's life Jim but not as we know it... > > > This happened during modprobe of alsa modules. Keyboard still alive, > everything else dead; not even sysrq would do anything, netconsole had > no output, luckily this made it to syslog: I just tested modprobing of alsa (snd_intel8x0) and it works for me. Also vmalloc must work at least to some point. Can you confirm it's really caused by 4level by reverting all the 4level-* patches from broken out? -Andi ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: 2.6.10-rc1-mm3 2004-11-05 11:53 ` 2.6.10-rc1-mm3 Andi Kleen @ 2004-11-05 12:16 ` Con Kolivas 2004-11-05 12:23 ` 2.6.10-rc1-mm3 Andi Kleen 2004-11-05 13:12 ` [PATCH] Fix for vmalloc problem was 2.6.10-rc1-mm3 Andi Kleen 0 siblings, 2 replies; 6+ messages in thread From: Con Kolivas @ 2004-11-05 12:16 UTC (permalink / raw) To: Andi Kleen; +Cc: linux-kernel [-- Attachment #1: Type: text/plain, Size: 612 bytes --] Andi Kleen wrote: > Con Kolivas <kernel@kolivas.org> writes: > > >>It's life Jim but not as we know it... >> >> >>This happened during modprobe of alsa modules. Keyboard still alive, >>everything else dead; not even sysrq would do anything, netconsole had >>no output, luckily this made it to syslog: > > > I just tested modprobing of alsa (snd_intel8x0) and it works for me. > Also vmalloc must work at least to some point. > > Can you confirm it's really caused by 4level by reverting all the > 4level-* patches from broken out? I dont recall blaming 4level. When I get a chance I'll try. Cheers, Con [-- Attachment #2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 256 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: 2.6.10-rc1-mm3 2004-11-05 12:16 ` 2.6.10-rc1-mm3 Con Kolivas @ 2004-11-05 12:23 ` Andi Kleen 2004-11-05 13:12 ` [PATCH] Fix for vmalloc problem was 2.6.10-rc1-mm3 Andi Kleen 1 sibling, 0 replies; 6+ messages in thread From: Andi Kleen @ 2004-11-05 12:23 UTC (permalink / raw) To: Con Kolivas; +Cc: Andi Kleen, linux-kernel On Fri, Nov 05, 2004 at 11:16:24PM +1100, Con Kolivas wrote: > Andi Kleen wrote: > >Con Kolivas <kernel@kolivas.org> writes: > > > > > >>It's life Jim but not as we know it... > >> > >> > >>This happened during modprobe of alsa modules. Keyboard still alive, > >>everything else dead; not even sysrq would do anything, netconsole had > >>no output, luckily this made it to syslog: > > > > > >I just tested modprobing of alsa (snd_intel8x0) and it works for me. > >Also vmalloc must work at least to some point. > > > >Can you confirm it's really caused by 4level by reverting all the > >4level-* patches from broken out? > > I dont recall blaming 4level. When I get a chance I'll try. I can reproduce it now using a forced big vmalloc. It's probably 4level. Debugging... -Andi ^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH] Fix for vmalloc problem was Re: 2.6.10-rc1-mm3 2004-11-05 12:16 ` 2.6.10-rc1-mm3 Con Kolivas 2004-11-05 12:23 ` 2.6.10-rc1-mm3 Andi Kleen @ 2004-11-05 13:12 ` Andi Kleen 2004-11-05 13:29 ` Con Kolivas 1 sibling, 1 reply; 6+ messages in thread From: Andi Kleen @ 2004-11-05 13:12 UTC (permalink / raw) To: Con Kolivas; +Cc: Andi Kleen, linux-kernel, akpm On Fri, Nov 05, 2004 at 11:16:24PM +1100, Con Kolivas wrote: > Andi Kleen wrote: > >Con Kolivas <kernel@kolivas.org> writes: > > > > > >>It's life Jim but not as we know it... > >> > >> > >>This happened during modprobe of alsa modules. Keyboard still alive, > >>everything else dead; not even sysrq would do anything, netconsole had > >>no output, luckily this made it to syslog: > > > > > >I just tested modprobing of alsa (snd_intel8x0) and it works for me. > >Also vmalloc must work at least to some point. > > > >Can you confirm it's really caused by 4level by reverting all the > >4level-* patches from broken out? > > I dont recall blaming 4level. When I get a chance I'll try. This patch should fix it. Can you please test? Thanks. -Andi Fix silly typo in mm/vmalloc.c and some minor cleanups. Signed-off-by: Andi Kleen <ak@suse.de> diff -up linux-2.6.10rc1-mm3/mm/vmalloc.c-o linux-2.6.10rc1-mm3/mm/vmalloc.c --- linux-2.6.10rc1-mm3/mm/vmalloc.c-o 2004-11-05 11:42:00.000000000 +0100 +++ linux-2.6.10rc1-mm3/mm/vmalloc.c 2004-11-05 14:10:04.000000000 +0100 @@ -98,7 +98,6 @@ static void unmap_area_pgd(pml4_t *pml4, } pgd = pml4_pgd_offset_k(pml4, address); - address &= ~PML4_MASK; end = address + size; do { @@ -114,8 +113,8 @@ static int map_area_pte(pte_t *pte, unsi { unsigned long end; - address &= ~PMD_MASK; end = address + size; + address &= ~PMD_MASK; if (end > PMD_SIZE) end = PMD_SIZE; @@ -187,7 +186,7 @@ void unmap_vm_area(struct vm_struct *are flush_cache_vunmap(address, end); for (i = pml4_index(address); i <= pml4_index(end-1); i++) { next = (address + PML4_SIZE) & PML4_MASK; - if (next <= address || next > end) + if (next < address || next > end) next = end; unmap_area_pgd(pml4, address, next - address); address = next; @@ -213,7 +212,7 @@ int map_vm_area(struct vm_struct *area, err = -ENOMEM; break; } - next = (address + PGDIR_SIZE) & PGDIR_MASK; + next = (address + PML4_SIZE) & PML4_MASK; if (next < address || next > end) next = end; if (map_area_pgd(pgd, address, next, prot, pages)) { ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Fix for vmalloc problem was Re: 2.6.10-rc1-mm3 2004-11-05 13:12 ` [PATCH] Fix for vmalloc problem was 2.6.10-rc1-mm3 Andi Kleen @ 2004-11-05 13:29 ` Con Kolivas 2004-11-05 13:53 ` Andi Kleen 0 siblings, 1 reply; 6+ messages in thread From: Con Kolivas @ 2004-11-05 13:29 UTC (permalink / raw) To: Andi Kleen; +Cc: linux-kernel, akpm [-- Attachment #1: Type: text/plain, Size: 882 bytes --] Andi Kleen wrote: > On Fri, Nov 05, 2004 at 11:16:24PM +1100, Con Kolivas wrote: > >>Andi Kleen wrote: >> >>>Con Kolivas <kernel@kolivas.org> writes: >>> >>> >>> >>>>It's life Jim but not as we know it... >>>> >>>> >>>>This happened during modprobe of alsa modules. Keyboard still alive, >>>>everything else dead; not even sysrq would do anything, netconsole had >>>>no output, luckily this made it to syslog: >>> >>> >>>I just tested modprobing of alsa (snd_intel8x0) and it works for me. >>>Also vmalloc must work at least to some point. >>> >>>Can you confirm it's really caused by 4level by reverting all the >>>4level-* patches from broken out? >> >>I dont recall blaming 4level. When I get a chance I'll try. > > > This patch should fix it. Can you please test? Thanks. > > -Andi > > Fix silly typo in mm/vmalloc.c and some minor cleanups. Boots fine now thanks. Con [-- Attachment #2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 256 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Fix for vmalloc problem was Re: 2.6.10-rc1-mm3 2004-11-05 13:29 ` Con Kolivas @ 2004-11-05 13:53 ` Andi Kleen 0 siblings, 0 replies; 6+ messages in thread From: Andi Kleen @ 2004-11-05 13:53 UTC (permalink / raw) To: Con Kolivas; +Cc: Andi Kleen, linux-kernel, akpm On Sat, Nov 06, 2004 at 12:29:43AM +1100, Con Kolivas wrote: > Andi Kleen wrote: > >On Fri, Nov 05, 2004 at 11:16:24PM +1100, Con Kolivas wrote: > > > >>Andi Kleen wrote: > >> > >>>Con Kolivas <kernel@kolivas.org> writes: > >>> > >>> > >>> > >>>>It's life Jim but not as we know it... > >>>> > >>>> > >>>>This happened during modprobe of alsa modules. Keyboard still alive, > >>>>everything else dead; not even sysrq would do anything, netconsole had > >>>>no output, luckily this made it to syslog: > >>> > >>> > >>>I just tested modprobing of alsa (snd_intel8x0) and it works for me. > >>>Also vmalloc must work at least to some point. > >>> > >>>Can you confirm it's really caused by 4level by reverting all the > >>>4level-* patches from broken out? > >> > >>I dont recall blaming 4level. When I get a chance I'll try. > > > > > >This patch should fix it. Can you please test? Thanks. > > > >-Andi > > > >Fix silly typo in mm/vmalloc.c and some minor cleanups. > > Boots fine now thanks. It broke x86-64 unfortunately. This version should be better and is simpler. Andrew, if you applied the previous version please replace with this one. -Andi Fix vmalloc overflow with 4levels. Signed-off-by: Andi Kleen <ak@suse.de> diff -up linux-2.6.10rc1-mm3/mm/vmalloc.c-o linux-2.6.10rc1-mm3/mm/vmalloc.c --- linux-2.6.10rc1-mm3/mm/vmalloc.c-o 2004-11-05 11:42:00.000000000 +0100 +++ linux-2.6.10rc1-mm3/mm/vmalloc.c 2004-11-05 14:49:25.000000000 +0100 @@ -213,7 +213,7 @@ int map_vm_area(struct vm_struct *area, err = -ENOMEM; break; } - next = (address + PGDIR_SIZE) & PGDIR_MASK; + next = (address + PML4_SIZE) & PML4_MASK; if (next < address || next > end) next = end; if (map_area_pgd(pgd, address, next, prot, pages)) { ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2004-11-05 13:58 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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[not found] ` <418B5C70.7090206@kolivas.org.suse.lists.linux.kernel>
2004-11-05 11:53 ` 2.6.10-rc1-mm3 Andi Kleen
2004-11-05 12:16 ` 2.6.10-rc1-mm3 Con Kolivas
2004-11-05 12:23 ` 2.6.10-rc1-mm3 Andi Kleen
2004-11-05 13:12 ` [PATCH] Fix for vmalloc problem was 2.6.10-rc1-mm3 Andi Kleen
2004-11-05 13:29 ` Con Kolivas
2004-11-05 13:53 ` Andi Kleen
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