All of lore.kernel.org
 help / color / mirror / Atom feed
From: Joerg Roedel <joro@8bytes.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	x86@kernel.org, Peter Zijlstra <peterz@infradead.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Andy Lutomirski <luto@kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Regression on todays tip/master (commit 16f70beccf43)
Date: Sat, 25 Jul 2020 20:56:49 +0200	[thread overview]
Message-ID: <20200725185648.GY27672@8bytes.org> (raw)
In-Reply-To: <20200725103850.GA823877@gmail.com>

On Sat, Jul 25, 2020 at 12:38:50PM +0200, Ingo Molnar wrote:
> On a second thought, I think this recent bug might have been the 
> culprit:
> 
>   d136122f5845: ("sched: Fix race against ptrace_freeze_trace()")
> 
> Fixed in tip:sched/urgent - this is why it went away in your testing 
> perhaps?

Indeed, tip/master with this commit reverted triggers the issue again,
so it appears to be the same problem. But it leaves the question why I
couldn't trigger it with plain v5.8-rc6.

Thanks,

	Joerg

      reply	other threads:[~2020-07-25 18:56 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-23 13:37 Regression on todays tip/master (commit 16f70beccf43) Joerg Roedel
2020-07-23 14:46 ` Thomas Gleixner
2020-07-23 14:52   ` Joerg Roedel
2020-07-24 13:28     ` Ingo Molnar
2020-07-24 14:50       ` Joerg Roedel
2020-07-24 15:35         ` Joerg Roedel
2020-07-25 10:38       ` Ingo Molnar
2020-07-25 18:56         ` Joerg Roedel [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200725185648.GY27672@8bytes.org \
    --to=joro@8bytes.org \
    --cc=acme@kernel.org \
    --cc=dave.hansen@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=mingo@kernel.org \
    --cc=peterz@infradead.org \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.