Re: [v3.9-rc8]: kernel BUG at mm/memcontrol.c:3994! (was: Re: [BUG][s390x] mm: system crashed)

2013-05-01 Thread Johannes Weiner
On Wed, May 01, 2013 at 08:28:30AM -0700, Hugh Dickins wrote: > On Tue, 30 Apr 2013, Johannes Weiner wrote: > > On Wed, Apr 24, 2013 at 08:50:01PM -0700, Hugh Dickins wrote: > > > On Wed, 24 Apr 2013, Johannes Weiner wrote: > > > > On Wed, Apr 24, 2013 at 03:18:51PM +0200, Michal Hocko wrote: > > >

Re: [v3.9-rc8]: kernel BUG at mm/memcontrol.c:3994! (was: Re: [BUG][s390x] mm: system crashed)

2013-05-01 Thread Hugh Dickins
On Tue, 30 Apr 2013, Johannes Weiner wrote: > On Wed, Apr 24, 2013 at 08:50:01PM -0700, Hugh Dickins wrote: > > On Wed, 24 Apr 2013, Johannes Weiner wrote: > > > On Wed, Apr 24, 2013 at 03:18:51PM +0200, Michal Hocko wrote: > > > > On Wed 24-04-13 12:42:55, Heiko Carstens wrote: > > > > > On Thu, A

Re: [v3.9-rc8]: kernel BUG at mm/memcontrol.c:3994! (was: Re: [BUG][s390x] mm: system crashed)

2013-04-30 Thread Johannes Weiner
On Wed, Apr 24, 2013 at 08:50:01PM -0700, Hugh Dickins wrote: > On Wed, 24 Apr 2013, Johannes Weiner wrote: > > On Wed, Apr 24, 2013 at 03:18:51PM +0200, Michal Hocko wrote: > > > On Wed 24-04-13 12:42:55, Heiko Carstens wrote: > > > > On Thu, Apr 18, 2013 at 09:13:03AM +0200, Heiko Carstens wrote:

Re: [v3.9-rc8]: kernel BUG at mm/memcontrol.c:3994! (was: Re: [BUG][s390x] mm: system crashed)

2013-04-24 Thread Hugh Dickins
On Wed, 24 Apr 2013, Johannes Weiner wrote: > On Wed, Apr 24, 2013 at 03:18:51PM +0200, Michal Hocko wrote: > > On Wed 24-04-13 12:42:55, Heiko Carstens wrote: > > > On Thu, Apr 18, 2013 at 09:13:03AM +0200, Heiko Carstens wrote: > > > > Ok, thanks for verifying! I'll look into it; hopefully I can

Re: [v3.9-rc8]: kernel BUG at mm/memcontrol.c:3994! (was: Re: [BUG][s390x] mm: system crashed)

2013-04-24 Thread Johannes Weiner
On Wed, Apr 24, 2013 at 03:18:51PM +0200, Michal Hocko wrote: > On Wed 24-04-13 12:42:55, Heiko Carstens wrote: > > On Thu, Apr 18, 2013 at 09:13:03AM +0200, Heiko Carstens wrote: > > > Ok, thanks for verifying! I'll look into it; hopefully I can reproduce it > > > here as well. > > > > That seems

Re: [v3.9-rc8]: kernel BUG at mm/memcontrol.c:3994! (was: Re: [BUG][s390x] mm: system crashed)

2013-04-24 Thread Michal Hocko
On Wed 24-04-13 12:42:55, Heiko Carstens wrote: > On Thu, Apr 18, 2013 at 09:13:03AM +0200, Heiko Carstens wrote: > > Ok, thanks for verifying! I'll look into it; hopefully I can reproduce it > > here as well. > > That seems to be a common code bug. I can easily trigger the VM_BUG_ON() > below (wh

[v3.9-rc8]: kernel BUG at mm/memcontrol.c:3994! (was: Re: [BUG][s390x] mm: system crashed)

2013-04-24 Thread Heiko Carstens
On Thu, Apr 18, 2013 at 09:13:03AM +0200, Heiko Carstens wrote: > Ok, thanks for verifying! I'll look into it; hopefully I can reproduce it > here as well. That seems to be a common code bug. I can easily trigger the VM_BUG_ON() below (when I force the system to swap): [ 48.347963]

Re: [BUG][s390x] mm: system crashed

2013-04-18 Thread Heiko Carstens
On Thu, Apr 18, 2013 at 02:27:45AM -0400, Zhouping Liu wrote: > Hello Heiko, > > If you have some time, could you please repeat your test with the kernel > > command line option " user_mode=home "? > > I tested the system with the kernel parameter, but the issue still appeared, > I just to say it

Re: [BUG][s390x] mm: system crashed

2013-04-17 Thread Zhouping Liu
Hello Heiko, - Original Message - > From: "Heiko Carstens" > To: "Zhouping Liu" > Cc: linux...@kvack.org, "LKML" , "caiqian" > , "Caspar Zhang" > , "Martin Schwidefsky" > Sent: Tuesday, April 16, 2013 3:50:

Re: [BUG][s390x] mm: system crashed

2013-04-16 Thread Heiko Carstens
On Tue, Apr 16, 2013 at 03:56:59PM +0800, Simon Jeons wrote: > Hi Heiko, > >If you have some time, could you please repeat your test with the kernel > >command line option " user_mode=home "? > > What's the meaning of this command line? I can't find it in > Documentation/kernel-parameters.txt/ It

Re: [BUG][s390x] mm: system crashed

2013-04-16 Thread Simon Jeons
Hi Heiko, On 04/16/2013 03:50 PM, Heiko Carstens wrote: On Mon, Apr 15, 2013 at 02:16:55PM +0800, Zhouping Liu wrote: On 04/15/2013 01:56 PM, Heiko Carstens wrote: On Sun, Apr 14, 2013 at 11:28:40PM -0400, Zhouping Liu wrote: � 16109.346170¨ Call Trace: � 16109.346179¨ (� <00100920>¨ s

Re: [BUG][s390x] mm: system crashed

2013-04-16 Thread Heiko Carstens
On Mon, Apr 15, 2013 at 02:16:55PM +0800, Zhouping Liu wrote: > On 04/15/2013 01:56 PM, Heiko Carstens wrote: > >On Sun, Apr 14, 2013 at 11:28:40PM -0400, Zhouping Liu wrote: > >>� 16109.346170¨ Call Trace: > >>� 16109.346179¨ (� <00100920>¨ show_trace+0x128/0x12c) > >>� 16109.346195¨ � <0

Re: [BUG][s390x] mm: system crashed

2013-04-14 Thread Zhouping Liu
On 04/15/2013 01:56 PM, Heiko Carstens wrote: On Sun, Apr 14, 2013 at 11:28:40PM -0400, Zhouping Liu wrote: Hi All, I hit the below crashed when doing memory related tests[1] on s390x: --- snip - � 15929.351639¨ � <0021c0a6>¨ shrink_inactive_list+0x1c6/

Re: [BUG][s390x] mm: system crashed

2013-04-14 Thread Heiko Carstens
On Sun, Apr 14, 2013 at 11:28:40PM -0400, Zhouping Liu wrote: > Hi All, > > I hit the below crashed when doing memory related tests[1] on s390x: > > --- snip - > � 15929.351639¨ � <0021c0a6>¨ shrink_inactive_list+0x1c6/0x56c > � 15929.351647¨ � <

[BUG][s390x] mm: system crashed

2013-04-14 Thread Zhouping Liu
Hi All, I hit the below crashed when doing memory related tests[1] on s390x: --- snip - � 15929.351639¨ � <0021c0a6>¨ shrink_inactive_list+0x1c6/0x56c � 15929.351647¨ � <0021c69e>¨ shrink_lruvec+0x252/0x56c � 15929.351654¨ � <0021ca44>¨