Messages in this thread | | | Date | Wed, 2 Jun 2010 11:13:01 +0200 | From | Olaf Hering <> | Subject | Re: acquire_console_mutex: WARNING: at 2.6.33.4-rt20/kernel/mutex-debug.c:65 mutex_remove_waiter+0xe8/0x11c() |
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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
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