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
prev parent 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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox