Messages in this thread | | | Date | Fri, 23 Sep 2005 00:40:31 -0700 | From | Andrew Morton <> | Subject | Re: [uml-devel] [PATCH 06/10] uml: run mconsole "sysrq" in process context |
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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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