Re: Page fault in midi/sequencer.c

2018-10-22 Thread Peter Holm
On Mon, Oct 22, 2018 at 11:00:41AM +0200, Hans Petter Selasky wrote: > On 10/20/18 6:56 PM, Peter Holm wrote: > > I can trigger this on 13.0-CURRENT r339445 with a non-root test program: > > > > Hi, > > The following commits should fix the issues you experience: > > https://svnweb.freebsd.org/c

Re: Page fault in midi/sequencer.c

2018-10-22 Thread Hans Petter Selasky
On 10/20/18 6:56 PM, Peter Holm wrote: I can trigger this on 13.0-CURRENT r339445 with a non-root test program: Hi, The following commits should fix the issues you experience: https://svnweb.freebsd.org/changeset/base/339581 https://svnweb.freebsd.org/changeset/base/339582 https://svnweb.fre

Re: Page fault in midi/sequencer.c

2018-10-21 Thread Hans Petter Selasky
On 10/20/18 6:56 PM, Peter Holm wrote: I can trigger this on 13.0-CURRENT r339445 with a non-root test program: Calling uiomove() with the following non-sleepable locks held: exclusive sleep mutex seqflq (seqflq) r = 0 (0xf80003860c08) locked @ dev/sound/midi/sequencer.c:952 stack backtrace

Re: Page fault in midi/sequencer.c

2018-10-20 Thread blubee blubeeme
On Sun, Oct 21, 2018 at 12:59 AM Peter Holm wrote: > I can trigger this on 13.0-CURRENT r339445 with a non-root test program: > > Calling uiomove() with the following non-sleepable locks held: > exclusive sleep mutex seqflq (seqflq) r = 0 (0xf80003860c08) locked @ > dev/sound/midi/sequencer.c

Page fault in midi/sequencer.c

2018-10-20 Thread Peter Holm
I can trigger this on 13.0-CURRENT r339445 with a non-root test program: Calling uiomove() with the following non-sleepable locks held: exclusive sleep mutex seqflq (seqflq) r = 0 (0xf80003860c08) locked @ dev/sound/midi/sequencer.c:952 stack backtrace: #0 0x80bfe263 at witness_debugg