linux-kernel - Re: acquire_console_mutex: WARNING: at 2.6.33.4-rt20/kernel/mutex-debug.c:65 mutex_remove

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Wed, 2 Jun 2010 11:13:01 +0200
From:	Olaf Hering <olaf@...fle.de>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: acquire_console_mutex: WARNING: at
 2.6.33.4-rt20/kernel/mutex-debug.c:65 mutex_remove_waiter+0xe8/0x11c()

On Mon, May 31, Arnd Bergmann wrote:

> On Sunday 30 May 2010, Olaf Hering wrote:
> > > You could try to pull in the blk/tty branch from
> > > http://git.kernel.org/?p=linux/kernel/git/arnd/playground.git and enable
> > > CONFIG_TTY_MUTEX to see if that gives you better lockdep output,
> > > because that replaces the implicit dropping of the BKL with mutex operations
> > > that lockdep is aware of.
> > 
> > CONFIG_TTY_MUTEX depends on SMP and this ARM system does not support
> > CONFIG_SMP, its hidden by Kconfig dependencies.


Arnd,

I do not have access to this ARM board anymore, and other systems I own
do not have hardware for serial console.
So I can not test or debug this further.


Olaf
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/