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SubjectRe: [uml-devel] [PATCH 06/10] uml: run mconsole "sysrq" in process context
Jeff Dike <jdike@addtoit.com> wrote:
>
> On Thu, Sep 22, 2005 at 09:20:20PM +0200, Blaisorblade wrote:
> > sysrq t is broken (and stays),
>
> There's a fix on the way for that. This has nothing to do with interrupt
> context anyway.
>
> > but additionally there are some warnings from
> > some commands (enable sleep inside spinlock checking and spinlock debugging),
> > which go to the down_read inside handle_page_fault IIRC. So try to run in
> > process context.
>
> Which ones? They should be fixed.
>
> It is fairly fundamental to sysrq that it work from interrupt context. You
> may be diagnosing a system which can't context switch any more.
>
> This patch should be dropped, and the real problems fixed.
>

Well Linus has just merged this patch. If you hadn't removed me from the
cc yesterday this would not have happened.

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