Re: [syzbot] [kernel?] possible deadlock in console_flush_all (2)

From: Peter Zijlstra
Date: Tue Oct 17 2023 - 10:13:37 EST


On Tue, Oct 17, 2023 at 12:06:12PM +0200, Aleksandr Nogikh wrote:
> This is currently causing more than 50% daily crashes on syzbot:
>
> https://syzkaller.appspot.com/upstream/graph/crashes
>
> It began to appear after next-20231004. Judging by the diff between
> next-20231003 and next-20231004, it looks like quite a few changes to
> kernel/sched were merged in between. Could it be caused by any of
> those?

> > EEVDF scheduling fail, picking leftmost

That was in next for a little bit, can you still reproduce with current
next?