public inbox for linux-next@vger.kernel.org
 help / color / mirror / Atom feed
From: Borislav Petkov <bp@alien8.de>
To: Bert Karwatzki <spasswolf@web.de>
Cc: seanjc@google.com,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-rt-devel@lists.linux.dev,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, Jakub Kicinski <kuba@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	torvalds@linux-foundation.org, x86@kernel.org,
	tglx@linutronix.de
Subject: Re: (Re)boot hangs and refcount errors on next-20250829
Date: Sun, 31 Aug 2025 17:39:41 +0200	[thread overview]
Message-ID: <20250831153941.GCaLRsvf1V_ST2GPAd@fat_crate.local> (raw)
In-Reply-To: <20250831141426.2786-1-spasswolf@web.de>

On Sun, Aug 31, 2025 at 04:14:24PM +0200, Bert Karwatzki wrote:
> I think I hit the the same error (and some more ...) when booting next-20250829
> on my amd64 laptop (no VMs and no kexec were used here):
> 
> When I try booting next-20250829 on my debian stable(trixie) amd64 system the boot
> process hangs every few attempts (without any log messages recorded). When the
> boot process succeeds the following error message appears in dmesg:
> 
> [    8.337248] [     T44] ------------[ cut here ]------------
> [    8.337250] [     T44] WARNING: kernel/futex/core.c:1604 at futex_ref_rcu+0xe8/0x100, CPU#6: rcuc/6/44

I believe that got fixed, pls try:

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=locking/urgent

which got updated to contain the fix for the warning above.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette

      parent reply	other threads:[~2025-08-31 15:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-31 14:14 (Re)boot hangs and refcount errors on next-20250829 Bert Karwatzki
2025-08-31 15:21 ` Bert Karwatzki
2025-08-31 15:39 ` Borislav Petkov [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=20250831153941.GCaLRsvf1V_ST2GPAd@fat_crate.local \
    --to=bp@alien8.de \
    --cc=akpm@linux-foundation.org \
    --cc=bigeasy@linutronix.de \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-next@vger.kernel.org \
    --cc=linux-rt-devel@lists.linux.dev \
    --cc=peterz@infradead.org \
    --cc=seanjc@google.com \
    --cc=spasswolf@web.de \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --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