Re: INFO: rcu detected stall in sys_exit_group (6)

2020-10-30 Thread Paul E. McKenney
On Fri, Oct 30, 2020 at 10:57:58AM +0100, Dmitry Vyukov wrote: > On Fri, Sep 25, 2020 at 5:36 AM Paul E. McKenney wrote: > > > > > On Thu, Sep 24, 2020 at 07:07:31PM +0800, Hillf Danton wrote: > > > > > > > > > > > > Thu, 24 Sep 2020 02:26:25 -0700 > > > > > > > syzbot found the following issue

Re: INFO: rcu detected stall in sys_exit_group (6)

2020-10-30 Thread Dmitry Vyukov
On Fri, Sep 25, 2020 at 5:36 AM Paul E. McKenney wrote: > > > > On Thu, Sep 24, 2020 at 07:07:31PM +0800, Hillf Danton wrote: > > > > > > > > > > Thu, 24 Sep 2020 02:26:25 -0700 > > > > > > syzbot found the following issue on: > > > > > > > > > > > > HEAD commit:805c6d3c Merge branch 'fixes'

Re: INFO: rcu detected stall in sys_exit_group (6)

2020-09-24 Thread Paul E. McKenney
On Fri, Sep 25, 2020 at 09:46:16AM +0800, Hillf Danton wrote: > > On Thu, 24 Sep 2020 15:26:55 -0700 Paul E. McKenney wrote: > > > > On Thu, Sep 24, 2020 at 03:06:10PM +0300, Dan Carpenter wrote: > > > > > > On Thu, Sep 24, 2020 at 07:07:31PM +0800, Hillf Danton wrote: > > > > > > > > Thu, 24

Re: INFO: rcu detected stall in sys_exit_group (6)

2020-09-24 Thread Paul E. McKenney
On Thu, Sep 24, 2020 at 03:06:10PM +0300, Dan Carpenter wrote: > > On Thu, Sep 24, 2020 at 07:07:31PM +0800, Hillf Danton wrote: > > > > Thu, 24 Sep 2020 02:26:25 -0700 > > > syzbot found the following issue on: > > > > > > HEAD commit:805c6d3c Merge branch 'fixes' of > > >

Re: INFO: rcu detected stall in sys_exit_group (6)

2020-09-24 Thread Dan Carpenter
On Thu, Sep 24, 2020 at 07:07:31PM +0800, Hillf Danton wrote: > > Thu, 24 Sep 2020 02:26:25 -0700 > > syzbot found the following issue on: > > > > HEAD commit:805c6d3c Merge branch 'fixes' of git://git.kernel.org/pub/.. > > git tree: upstream > > console output:

INFO: rcu detected stall in sys_exit_group (6)

2020-09-24 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:805c6d3c Merge branch 'fixes' of git://git.kernel.org/pub/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11fef4e390 kernel config: https://syzkaller.appspot.com/x/.config?x=af502ec9a451c9fc

Re: INFO: rcu detected stall in sys_exit_group

2019-09-24 Thread Petr Mladek
On Fri 2019-09-20 19:22:10, Tetsuo Handa wrote: > Calling printk() people. > > On 2019/09/20 16:50, Dmitry Vyukov wrote: > >>> How it runs on top of an interrupt? > >> > >> It is not running on top of an interrupt. Its stack was dumped > >> separately. > > > >

Re: INFO: rcu detected stall in sys_exit_group

2019-09-20 Thread Paul E. McKenney
On Fri, Sep 20, 2019 at 10:21:23AM +0200, Dmitry Vyukov wrote: > On Fri, Sep 20, 2019 at 10:03 AM Dmitry Vyukov wrote: > > > > On Fri, Sep 20, 2019 at 9:54 AM Dmitry Vyukov wrote: > > > > On Thu, Sep 19, 2019 at 10:12 PM Paul E. McKenney > > > > wrote: > > > > > > > > > > On Thu, Sep 19, 2019

Re: INFO: rcu detected stall in sys_exit_group

2019-09-20 Thread Paul E. McKenney
On Fri, Sep 20, 2019 at 09:50:23AM +0200, Dmitry Vyukov wrote: > On Thu, Sep 19, 2019 at 10:12 PM Paul E. McKenney wrote: > > > > On Thu, Sep 19, 2019 at 07:39:03PM +0200, Dmitry Vyukov wrote: > > > On Thu, Sep 19, 2019 at 7:07 PM Paul E. McKenney > > > wrote: > > > > > > > > On Wed, Sep 18,

Re: INFO: rcu detected stall in sys_exit_group

2019-09-20 Thread Tetsuo Handa
Calling printk() people. On 2019/09/20 16:50, Dmitry Vyukov wrote: >>> How it runs on top of an interrupt? >> >> It is not running on top of an interrupt. Its stack was dumped >> separately. > > I see. Usually the first stack is the traceback of the current

Re: INFO: rcu detected stall in sys_exit_group

2019-09-20 Thread Dmitry Vyukov
On Fri, Sep 20, 2019 at 10:03 AM Dmitry Vyukov wrote: > > On Fri, Sep 20, 2019 at 9:54 AM Dmitry Vyukov wrote: > > > On Thu, Sep 19, 2019 at 10:12 PM Paul E. McKenney > > > wrote: > > > > > > > > On Thu, Sep 19, 2019 at 07:39:03PM +0200, Dmitry Vyukov wrote: > > > > > On Thu, Sep 19, 2019 at

Re: INFO: rcu detected stall in sys_exit_group

2019-09-20 Thread Dmitry Vyukov
On Fri, Sep 20, 2019 at 9:54 AM Dmitry Vyukov wrote: > > On Thu, Sep 19, 2019 at 10:12 PM Paul E. McKenney > > wrote: > > > > > > On Thu, Sep 19, 2019 at 07:39:03PM +0200, Dmitry Vyukov wrote: > > > > On Thu, Sep 19, 2019 at 7:07 PM Paul E. McKenney > > > > wrote: > > > > > > > > > > On Wed,

Re: INFO: rcu detected stall in sys_exit_group

2019-09-20 Thread Dmitry Vyukov
On Fri, Sep 20, 2019 at 9:50 AM Dmitry Vyukov wrote: > > On Thu, Sep 19, 2019 at 10:12 PM Paul E. McKenney wrote: > > > > On Thu, Sep 19, 2019 at 07:39:03PM +0200, Dmitry Vyukov wrote: > > > On Thu, Sep 19, 2019 at 7:07 PM Paul E. McKenney > > > wrote: > > > > > > > > On Wed, Sep 18, 2019 at

Re: INFO: rcu detected stall in sys_exit_group

2019-09-20 Thread Dmitry Vyukov
On Thu, Sep 19, 2019 at 10:12 PM Paul E. McKenney wrote: > > On Thu, Sep 19, 2019 at 07:39:03PM +0200, Dmitry Vyukov wrote: > > On Thu, Sep 19, 2019 at 7:07 PM Paul E. McKenney wrote: > > > > > > On Wed, Sep 18, 2019 at 05:05:26PM +0200, Dmitry Vyukov wrote: > > > > On Wed, Sep 18, 2019 at 1:19

Re: INFO: rcu detected stall in sys_exit_group

2019-09-19 Thread Paul E. McKenney
On Thu, Sep 19, 2019 at 07:39:03PM +0200, Dmitry Vyukov wrote: > On Thu, Sep 19, 2019 at 7:07 PM Paul E. McKenney wrote: > > > > On Wed, Sep 18, 2019 at 05:05:26PM +0200, Dmitry Vyukov wrote: > > > On Wed, Sep 18, 2019 at 1:19 PM syzbot > > > wrote: > > > > > > > > Hello, > > > > > > > > syzbot

Re: INFO: rcu detected stall in sys_exit_group

2019-09-19 Thread Dmitry Vyukov
On Thu, Sep 19, 2019 at 7:07 PM Paul E. McKenney wrote: > > On Wed, Sep 18, 2019 at 05:05:26PM +0200, Dmitry Vyukov wrote: > > On Wed, Sep 18, 2019 at 1:19 PM syzbot > > wrote: > > > > > > Hello, > > > > > > syzbot found the following crash on: > > > > > > HEAD commit:a7f89616 Merge branch

Re: INFO: rcu detected stall in sys_exit_group

2019-09-19 Thread Paul E. McKenney
On Wed, Sep 18, 2019 at 05:05:26PM +0200, Dmitry Vyukov wrote: > On Wed, Sep 18, 2019 at 1:19 PM syzbot > wrote: > > > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit:a7f89616 Merge branch 'for-5.3-fixes' of git://git.kernel... > > git tree: upstream > >

Re: INFO: rcu detected stall in sys_exit_group

2019-09-18 Thread Dmitry Vyukov
On Wed, Sep 18, 2019 at 1:19 PM syzbot wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit:a7f89616 Merge branch 'for-5.3-fixes' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=15c3307960 > kernel config:

INFO: rcu detected stall in sys_exit_group

2019-09-18 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:a7f89616 Merge branch 'for-5.3-fixes' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15c3307960 kernel config: https://syzkaller.appspot.com/x/.config?x=861a6f31647968de