Re: INFO: rcu detected stall in __perf_sw_event

2019-03-28 Thread Dmitry Vyukov
On Wed, Mar 27, 2019 at 12:28 AM Finn Thain wrote: > > On Tue, 26 Mar 2019, syzbot wrote: > > > syzbot has bisected this bug to: > > > > commit cf85d89562f39cc7ae73de54639f1915a9195b7a > > Author: Finn Thain > > Date: Fri May 25 07:34:36 2018 + > > > >m68k/mac: Enable PDMA for

Re: INFO: rcu detected stall in __perf_sw_event

2019-03-26 Thread Finn Thain
On Tue, 26 Mar 2019, syzbot wrote: > syzbot has bisected this bug to: > > commit cf85d89562f39cc7ae73de54639f1915a9195b7a > Author: Finn Thain > Date: Fri May 25 07:34:36 2018 + > >m68k/mac: Enable PDMA for PowerBook 500 series > Looks like a false positive. But if you really are

Re: INFO: rcu detected stall in __perf_sw_event

2019-03-26 Thread syzbot
syzbot has bisected this bug to: commit cf85d89562f39cc7ae73de54639f1915a9195b7a Author: Finn Thain Date: Fri May 25 07:34:36 2018 + m68k/mac: Enable PDMA for PowerBook 500 series bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1226cb8b20 start commit: b0314565

INFO: rcu detected stall in __perf_sw_event

2019-02-07 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:b0314565da2b Merge tag 'for_linus' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15cd5e7340 kernel config: https://syzkaller.appspot.com/x/.config?x=8f00801d7b7c4fe6