Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-03-01 Thread Greg KH
On Fri, Mar 01, 2013 at 09:07:52AM -0800, Linus Torvalds wrote: > On Fri, Mar 1, 2013 at 8:50 AM, Greg KH wrote: > > > > What ever happened with this? Did something go into Linus's tree to > > resolve this issue that I need to pull into a stable release? > > This was fixed by commit

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-03-01 Thread Linus Torvalds
On Fri, Mar 1, 2013 at 8:50 AM, Greg KH wrote: > > What ever happened with this? Did something go into Linus's tree to > resolve this issue that I need to pull into a stable release? This was fixed by commit 7c45512df987 ("mm: fix pageblock bitmap allocation"). And you already put it in,

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-03-01 Thread Greg KH
On Sat, Feb 16, 2013 at 09:29:54AM +0100, Ingo Molnar wrote: > > * Greg KH wrote: > > > On Fri, Feb 15, 2013 at 12:44:26PM +0100, Ingo Molnar wrote: > > > > > > [ Greg: -stable was Cc:-ed for this potentially buggy commit. ] > > > > > > * Yinghai Lu wrote: > > > > > > > On Thu, Feb 14, 2013

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-03-01 Thread Greg KH
On Sat, Feb 16, 2013 at 09:29:54AM +0100, Ingo Molnar wrote: * Greg KH g...@kroah.com wrote: On Fri, Feb 15, 2013 at 12:44:26PM +0100, Ingo Molnar wrote: [ Greg: -stable was Cc:-ed for this potentially buggy commit. ] * Yinghai Lu ying...@kernel.org wrote: On Thu, Feb

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-03-01 Thread Linus Torvalds
On Fri, Mar 1, 2013 at 8:50 AM, Greg KH gre...@linuxfoundation.org wrote: What ever happened with this? Did something go into Linus's tree to resolve this issue that I need to pull into a stable release? This was fixed by commit 7c45512df987 (mm: fix pageblock bitmap allocation). And you

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-03-01 Thread Greg KH
On Fri, Mar 01, 2013 at 09:07:52AM -0800, Linus Torvalds wrote: On Fri, Mar 1, 2013 at 8:50 AM, Greg KH gre...@linuxfoundation.org wrote: What ever happened with this? Did something go into Linus's tree to resolve this issue that I need to pull into a stable release? This was fixed by

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-18 Thread Laura Abbott
On 2/18/2013 6:46 AM, Mel Gorman wrote: On Sat, Feb 16, 2013 at 10:26:30AM -0800, Linus Torvalds wrote: On Fri, Feb 15, 2013 at 3:44 AM, Ingo Molnar wrote: c060f943d092 may be related as you config does not have CONFIG_SPARSEMEM defined. Right, that's the commit causing the x86 regression:

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-18 Thread Mel Gorman
On Sat, Feb 16, 2013 at 10:26:30AM -0800, Linus Torvalds wrote: > On Fri, Feb 15, 2013 at 3:44 AM, Ingo Molnar wrote: > >> > >> c060f943d092 may be related as you config does not have > >> CONFIG_SPARSEMEM defined. > > > > Right, that's the commit causing the x86 regression: > > > >

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-18 Thread Ingo Molnar
* Linus Torvalds wrote: > > Right, that's the commit causing the x86 regression: > > > > c060f943d0929f3e429c5d9522290584f6281d6e is the first bad commit > > commit c060f943d0929f3e429c5d9522290584f6281d6e > > Date: Fri Jan 11 14:31:51 2013 -0800 > > > > mm: use aligned zone start for

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-18 Thread Ingo Molnar
* Linus Torvalds torva...@linux-foundation.org wrote: Right, that's the commit causing the x86 regression: c060f943d0929f3e429c5d9522290584f6281d6e is the first bad commit commit c060f943d0929f3e429c5d9522290584f6281d6e Date: Fri Jan 11 14:31:51 2013 -0800 mm: use aligned

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-18 Thread Mel Gorman
On Sat, Feb 16, 2013 at 10:26:30AM -0800, Linus Torvalds wrote: On Fri, Feb 15, 2013 at 3:44 AM, Ingo Molnar mi...@kernel.org wrote: c060f943d092 may be related as you config does not have CONFIG_SPARSEMEM defined. Right, that's the commit causing the x86 regression:

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-18 Thread Laura Abbott
On 2/18/2013 6:46 AM, Mel Gorman wrote: On Sat, Feb 16, 2013 at 10:26:30AM -0800, Linus Torvalds wrote: On Fri, Feb 15, 2013 at 3:44 AM, Ingo Molnar mi...@kernel.org wrote: c060f943d092 may be related as you config does not have CONFIG_SPARSEMEM defined. Right, that's the commit causing the

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-16 Thread Linus Torvalds
On Sat, Feb 16, 2013 at 11:38 AM, Yinghai Lu wrote: > > but you forgot to update setup_usemap() for SPARSEMEM Heh. I tried desperately to find a config to test my patch in, because I couldn't see how to even disable SPARSEMEM for my normal x86-64 build. But then I *only* tested it for that

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-16 Thread Yinghai Lu
On Sat, Feb 16, 2013 at 10:26 AM, Linus Torvalds wrote: > On Fri, Feb 15, 2013 at 3:44 AM, Ingo Molnar wrote: >>> >>> c060f943d092 may be related as you config does not have >>> CONFIG_SPARSEMEM defined. >> >> Right, that's the commit causing the x86 regression: >> >>

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-16 Thread Linus Torvalds
On Fri, Feb 15, 2013 at 3:44 AM, Ingo Molnar wrote: >> >> c060f943d092 may be related as you config does not have >> CONFIG_SPARSEMEM defined. > > Right, that's the commit causing the x86 regression: > > c060f943d0929f3e429c5d9522290584f6281d6e is the first bad commit > commit

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-16 Thread Ingo Molnar
* Greg KH wrote: > On Fri, Feb 15, 2013 at 12:44:26PM +0100, Ingo Molnar wrote: > > > > [ Greg: -stable was Cc:-ed for this potentially buggy commit. ] > > > > * Yinghai Lu wrote: > > > > > On Thu, Feb 14, 2013 at 7:08 AM, Ingo Molnar wrote: > > > > these three: > > > > > > > >

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-16 Thread Ingo Molnar
* Ingo Molnar wrote: > Revert attached below - it reverts cleanly and I'll test this > today, to see whether this solves the sporadic lockups. Ok, the revert survived a day of hundreds of randconfigs - while it would lock up within 100 randconfigs before. So this commit appears to be the

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-16 Thread Ingo Molnar
* Ingo Molnar mi...@kernel.org wrote: Revert attached below - it reverts cleanly and I'll test this today, to see whether this solves the sporadic lockups. Ok, the revert survived a day of hundreds of randconfigs - while it would lock up within 100 randconfigs before. So this commit

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-16 Thread Ingo Molnar
* Greg KH g...@kroah.com wrote: On Fri, Feb 15, 2013 at 12:44:26PM +0100, Ingo Molnar wrote: [ Greg: -stable was Cc:-ed for this potentially buggy commit. ] * Yinghai Lu ying...@kernel.org wrote: On Thu, Feb 14, 2013 at 7:08 AM, Ingo Molnar mi...@kernel.org wrote: these

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-16 Thread Linus Torvalds
On Fri, Feb 15, 2013 at 3:44 AM, Ingo Molnar mi...@kernel.org wrote: c060f943d092 may be related as you config does not have CONFIG_SPARSEMEM defined. Right, that's the commit causing the x86 regression: c060f943d0929f3e429c5d9522290584f6281d6e is the first bad commit commit

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-16 Thread Yinghai Lu
On Sat, Feb 16, 2013 at 10:26 AM, Linus Torvalds torva...@linux-foundation.org wrote: On Fri, Feb 15, 2013 at 3:44 AM, Ingo Molnar mi...@kernel.org wrote: c060f943d092 may be related as you config does not have CONFIG_SPARSEMEM defined. Right, that's the commit causing the x86 regression:

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-16 Thread Linus Torvalds
On Sat, Feb 16, 2013 at 11:38 AM, Yinghai Lu ying...@kernel.org wrote: but you forgot to update setup_usemap() for SPARSEMEM Heh. I tried desperately to find a config to test my patch in, because I couldn't see how to even disable SPARSEMEM for my normal x86-64 build. But then I *only* tested

Re: [-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-15 Thread Greg KH
On Fri, Feb 15, 2013 at 12:44:26PM +0100, Ingo Molnar wrote: > > [ Greg: -stable was Cc:-ed for this potentially buggy commit. ] > > * Yinghai Lu wrote: > > > On Thu, Feb 14, 2013 at 7:08 AM, Ingo Molnar wrote: > > > these three: > > > > > > 10d73e655cef mm: bootmem: fix

[-rc7 regression] Buggy commit: "mm: use aligned zone start for pfn_to_bitidx calculation"

2013-02-15 Thread Ingo Molnar
[ Greg: -stable was Cc:-ed for this potentially buggy commit. ] * Yinghai Lu wrote: > On Thu, Feb 14, 2013 at 7:08 AM, Ingo Molnar wrote: > > these three: > > > > 10d73e655cef mm: bootmem: fix free_all_bootmem_core() with odd bitmap > > alignment > > c060f943d092 mm: use aligned zone start

[-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-15 Thread Ingo Molnar
[ Greg: -stable was Cc:-ed for this potentially buggy commit. ] * Yinghai Lu ying...@kernel.org wrote: On Thu, Feb 14, 2013 at 7:08 AM, Ingo Molnar mi...@kernel.org wrote: these three: 10d73e655cef mm: bootmem: fix free_all_bootmem_core() with odd bitmap alignment c060f943d092 mm:

Re: [-rc7 regression] Buggy commit: mm: use aligned zone start for pfn_to_bitidx calculation

2013-02-15 Thread Greg KH
On Fri, Feb 15, 2013 at 12:44:26PM +0100, Ingo Molnar wrote: [ Greg: -stable was Cc:-ed for this potentially buggy commit. ] * Yinghai Lu ying...@kernel.org wrote: On Thu, Feb 14, 2013 at 7:08 AM, Ingo Molnar mi...@kernel.org wrote: these three: 10d73e655cef mm: bootmem: fix