> From: Peter Zijlstra [mailto:pet...@infradead.org]
>
> On Thu, Aug 06, 2015 at 02:45:43PM +0900, Hidehiro Kawai wrote:
> > When cpu-A panics on NMI just after cpu-B has panicked, cpu-A loops
> > infinitely in NMI context. Especially for x86, cpu-B issues NMI IPI
> > to other cpus to save their
From: Peter Zijlstra [mailto:pet...@infradead.org]
On Thu, Aug 06, 2015 at 02:45:43PM +0900, Hidehiro Kawai wrote:
When cpu-A panics on NMI just after cpu-B has panicked, cpu-A loops
infinitely in NMI context. Especially for x86, cpu-B issues NMI IPI
to other cpus to save their register
On Thu, Aug 06, 2015 at 02:45:43PM +0900, Hidehiro Kawai wrote:
> When cpu-A panics on NMI just after cpu-B has panicked, cpu-A loops
> infinitely in NMI context. Especially for x86, cpu-B issues NMI IPI
> to other cpus to save their register states and do some cleanups if
> kdump is enabled, but
On Thu, Aug 06, 2015 at 02:45:43PM +0900, Hidehiro Kawai wrote:
When cpu-A panics on NMI just after cpu-B has panicked, cpu-A loops
infinitely in NMI context. Especially for x86, cpu-B issues NMI IPI
to other cpus to save their register states and do some cleanups if
kdump is enabled, but
When cpu-A panics on NMI just after cpu-B has panicked, cpu-A loops
infinitely in NMI context. Especially for x86, cpu-B issues NMI IPI
to other cpus to save their register states and do some cleanups if
kdump is enabled, but cpu-A can't handle the NMI and fails to save
register states.
To solve
When cpu-A panics on NMI just after cpu-B has panicked, cpu-A loops
infinitely in NMI context. Especially for x86, cpu-B issues NMI IPI
to other cpus to save their register states and do some cleanups if
kdump is enabled, but cpu-A can't handle the NMI and fails to save
register states.
To solve
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