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From: Mike Galbraith <efault@gmx.de>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-rt-users@vger.kernel.org
Subject: Re: scheduling while atomic in z3fold
Date: Mon, 30 Nov 2020 17:53:56 +0100	[thread overview]
Message-ID: <b1b8c2d47329152c9f2f2dc4eba884e1d7262c4b.camel@gmx.de> (raw)
In-Reply-To: <2658a2a26e53826687cd7b22f424e2d3319423dd.camel@gmx.de>

On Mon, 2020-11-30 at 17:27 +0100, Mike Galbraith wrote:
> On Mon, 2020-11-30 at 17:03 +0100, Sebastian Andrzej Siewior wrote:
> > On 2020-11-30 16:01:11 [+0100], Mike Galbraith wrote:
> > > On Mon, 2020-11-30 at 15:52 +0100, Sebastian Andrzej Siewior wrote:
> > > > How do you test this? I triggered a few oom-killer and I have here git
> > > > gc running for a few hours now… Everything is fine.
> > >
> > > In an LTP install, ./runltp -f mm.  Shortly after box starts swapping
> > > insanely, it explodes quite reliably here with either z3fold or
> > > zsmalloc.. but not with zbud.
> >
> > This just passed. It however killed my git-gc task which wasn't done.
> > Let me try tomorrow with your config.
>
> FYI, I tried 5.9-rt (after fixing 5.9.11), it exploded in the same way,
> so (as expected) it's not some devel tree oopsie.

It reproduces in full distro KVM too.

	-Mike


  parent reply	other threads:[~2020-11-30 16:56 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-28 14:05 scheduling while atomic in z3fold Oleksandr Natalenko
2020-11-28 14:09 ` Oleksandr Natalenko
2020-11-28 14:27   ` Oleksandr Natalenko
2020-11-29  6:41     ` Mike Galbraith
2020-11-29  7:48       ` Mike Galbraith
2020-11-29  9:21         ` Mike Galbraith
2020-11-29 10:56           ` Mike Galbraith
2020-11-29 11:29             ` Oleksandr Natalenko
2020-11-29 11:41               ` Mike Galbraith
2020-11-30 13:20                 ` Sebastian Andrzej Siewior
2020-11-30 13:53                   ` Oleksandr Natalenko
2020-11-30 14:28                     ` Sebastian Andrzej Siewior
2020-11-30 14:42                   ` Mike Galbraith
2020-11-30 14:52                     ` Sebastian Andrzej Siewior
2020-11-30 15:01                       ` Mike Galbraith
2020-11-30 15:03                         ` Mike Galbraith
2020-11-30 16:03                         ` Sebastian Andrzej Siewior
2020-11-30 16:27                           ` Mike Galbraith
2020-11-30 16:32                             ` Sebastian Andrzej Siewior
2020-11-30 16:36                               ` Mike Galbraith
2020-11-30 19:09                               ` Mike Galbraith
2020-11-30 16:53                             ` Mike Galbraith [this message]
2020-12-02  2:30                           ` Mike Galbraith
2020-12-02 22:08                             ` Sebastian Andrzej Siewior
2020-12-03  2:16                               ` Mike Galbraith
2020-12-03  8:18                                 ` Mike Galbraith
2020-12-03 13:39                                   ` Sebastian Andrzej Siewior
2020-12-03 14:07                                     ` Vitaly Wool
2020-12-06  9:18                                     ` Mike Galbraith
     [not found]                                       ` <cad7848c-7fd3-b4a4-c079-5896bb47ee49@konsulko.com>
2020-12-07  2:18                                         ` Mike Galbraith
2020-12-07 11:52                                           ` Vitaly Wool
2020-12-07 12:34                                             ` Mike Galbraith
2020-12-07 15:21                                               ` Vitaly Wool
2020-12-07 15:41                                                 ` Sebastian Andrzej Siewior
2020-12-07 15:41                                                 ` Mike Galbraith
2020-12-08 23:26                                                   ` Vitaly Wool
2020-12-09  6:13                                                     ` Mike Galbraith
2020-12-09  6:31                                                       ` Mike Galbraith

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