Re: linux 4.1-rc7 deadlock

2015-06-14 Thread Hugh Dickins
On Thu, 11 Jun 2015, Prarit Bhargava wrote: > On 06/11/2015 04:06 PM, Hugh Dickins wrote: > > On Tue, 9 Jun 2015, Morten Stevens wrote: > >> 2015-06-09 16:10 GMT+02:00 Daniel Wagner : > >>> On 06/09/2015 01:54 PM, Morten Stevens wrote: > > > > Reported-by: Prarit Bhargava > > Reported-by: Daniel

Re: linux 4.1-rc7 deadlock

2015-06-11 Thread Prarit Bhargava
On 06/11/2015 04:06 PM, Hugh Dickins wrote: > On Tue, 9 Jun 2015, Morten Stevens wrote: >> 2015-06-09 16:10 GMT+02:00 Daniel Wagner : >>> On 06/09/2015 01:54 PM, Morten Stevens wrote: [ 28.193327] Possible unsafe locking scenario: [ 28.194297]CPU0CP

Re: linux 4.1-rc7 deadlock

2015-06-11 Thread Hugh Dickins
On Tue, 9 Jun 2015, Morten Stevens wrote: > 2015-06-09 16:10 GMT+02:00 Daniel Wagner : > > On 06/09/2015 01:54 PM, Morten Stevens wrote: > >> [ 28.193327] Possible unsafe locking scenario: > >> > >> [ 28.194297]CPU0CPU1 > >> [ 28.194774]

Re: linux 4.1-rc7 deadlock

2015-06-09 Thread Morten Stevens
2015-06-09 16:10 GMT+02:00 Daniel Wagner : > Hi Morten, Hi Daniel, > On 06/09/2015 01:54 PM, Morten Stevens wrote: >> [ 28.193327] Possible unsafe locking scenario: >> >> [ 28.194297]CPU0CPU1 >> [ 28.194774] >> [ 28.195254]

Re: linux 4.1-rc7 deadlock

2015-06-09 Thread Daniel Wagner
Hi Morten, On 06/09/2015 01:54 PM, Morten Stevens wrote: > [ 28.193327] Possible unsafe locking scenario: > > [ 28.194297]CPU0CPU1 > [ 28.194774] > [ 28.195254] lock(&mm->mmap_sem); > [ 28.195709]