Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Jan Stancek
- Original Message - > From: "Peter Zijlstra" > To: "Jan Stancek" > Cc: linux...@kvack.org, linux-kernel@vger.kernel.org, "Oleg Nesterov" > > Sent: Monday, 7 December, 2015 5:07:15 PM > Subject: Re: kernel BUG at mm/filemap.c:238! (4.

Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Peter Zijlstra
On Mon, Dec 07, 2015 at 04:44:59PM +0100, Peter Zijlstra wrote: > On Mon, Dec 07, 2015 at 04:18:30PM +0100, Jan Stancek wrote: > > So, according to bisect first bad commit is: > > > > commit 68985633bccb6066bf1803e316fbc6c1f5b796d6 > > Author: Peter Zijlstra > > Date: Tue Dec 1 14:04:04 2015

Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Peter Zijlstra
On Mon, Dec 07, 2015 at 04:18:30PM +0100, Jan Stancek wrote: > So, according to bisect first bad commit is: > > commit 68985633bccb6066bf1803e316fbc6c1f5b796d6 > Author: Peter Zijlstra > Date: Tue Dec 1 14:04:04 2015 +0100 > > sched/wait: Fix signal handling in bit wait helpers > > which

Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Jan Stancek
On 12/07/2015 12:40 PM, Jan Stancek wrote: > Hi, > > "ADSP018" test from LTP[1] is triggering BUG_ON below reliably for me on > 4.4.0-rc4. > I'll start a bisect - if someone already sees a suspect/culprit that could > narrow > it down, please let me know. > > # ./aiodio_sparse -i 4 -a 8k -w

kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Jan Stancek
Hi, "ADSP018" test from LTP[1] is triggering BUG_ON below reliably for me on 4.4.0-rc4. I'll start a bisect - if someone already sees a suspect/culprit that could narrow it down, please let me know. # ./aiodio_sparse -i 4 -a 8k -w 16384k -s 65536k -n 2 aiodio_sparse0 TINFO : Dirtying

Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Peter Zijlstra
On Mon, Dec 07, 2015 at 04:18:30PM +0100, Jan Stancek wrote: > So, according to bisect first bad commit is: > > commit 68985633bccb6066bf1803e316fbc6c1f5b796d6 > Author: Peter Zijlstra > Date: Tue Dec 1 14:04:04 2015 +0100 > > sched/wait: Fix signal handling in bit

Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Jan Stancek
On 12/07/2015 12:40 PM, Jan Stancek wrote: > Hi, > > "ADSP018" test from LTP[1] is triggering BUG_ON below reliably for me on > 4.4.0-rc4. > I'll start a bisect - if someone already sees a suspect/culprit that could > narrow > it down, please let me know. > > # ./aiodio_sparse -i 4 -a 8k -w

Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Peter Zijlstra
On Mon, Dec 07, 2015 at 04:44:59PM +0100, Peter Zijlstra wrote: > On Mon, Dec 07, 2015 at 04:18:30PM +0100, Jan Stancek wrote: > > So, according to bisect first bad commit is: > > > > commit 68985633bccb6066bf1803e316fbc6c1f5b796d6 > > Author: Peter Zijlstra > > Date: Tue

Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Jan Stancek
ay, 7 December, 2015 5:07:15 PM > Subject: Re: kernel BUG at mm/filemap.c:238! (4.4.0-rc4) > > On Mon, Dec 07, 2015 at 04:44:59PM +0100, Peter Zijlstra wrote: > > On Mon, Dec 07, 2015 at 04:18:30PM +0100, Jan Stancek wrote: > > > So, according to bisect first bad commit is: > &g

kernel BUG at mm/filemap.c:238! (4.4.0-rc4)

2015-12-07 Thread Jan Stancek
Hi, "ADSP018" test from LTP[1] is triggering BUG_ON below reliably for me on 4.4.0-rc4. I'll start a bisect - if someone already sees a suspect/culprit that could narrow it down, please let me know. # ./aiodio_sparse -i 4 -a 8k -w 16384k -s 65536k -n 2 aiodio_sparse0 TINFO : Dirtying