lkml.org 
[lkml]   [2019]   [Mar]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: INFO: rcu detected stall in __perf_sw_event
On Tue, 26 Mar 2019, syzbot wrote:

> syzbot has bisected this bug to:
>
> commit cf85d89562f39cc7ae73de54639f1915a9195b7a
> Author: Finn Thain <fthain@telegraphics.com.au>
> Date: Fri May 25 07:34:36 2018 +0000
>
> m68k/mac: Enable PDMA for PowerBook 500 series
>

Looks like a false positive. But if you really are running syzkaller on a
PowerBook 500, you'll want to check that you have an FPU, otherwise a CPU
erratum will probably mess up your results.

--

> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1226cb8b200000
> start commit: b0314565 Merge tag 'for_linus' of git://git.kernel.org/pub..
> git tree: upstream
> final crash: https://syzkaller.appspot.com/x/report.txt?x=1126cb8b200000
> console output: https://syzkaller.appspot.com/x/log.txt?x=1626cb8b200000
> kernel config: https://syzkaller.appspot.com/x/.config?x=8f00801d7b7c4fe6
> dashboard link: https://syzkaller.appspot.com/bug?extid=a41ac89a0712acde0e84
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1707cd2f400000
>
> Reported-by: syzbot+a41ac89a0712acde0e84@syzkaller.appspotmail.com
> Fixes: cf85d89562f3 ("m68k/mac: Enable PDMA for PowerBook 500 series")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

\
 
 \ /
  Last update: 2019-03-27 00:29    [W:0.057 / U:0.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site