Messages in this thread | | | Date | Thu, 25 Jun 2009 13:07:28 -0700 | From | Greg KH <> | Subject | Re: [PATCH] x86: sysctl to allow panic on IOCK NMI error |
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On Thu, Jun 25, 2009 at 11:15:45AM -0700, Eric W. Biederman wrote: > Greg KH <gregkh@suse.de> writes: > > > From: Kurt Garloff <garloff@suse.de> > > > > This patch introduces a sysctl /proc/sys/kernel/panic_on_io_nmi, which > > defaults to 0 (off). > > > > When enabled, the kernel panics when the kernel receives an NMI caused > > by an IO error. > > > > The IO error triggered NMI indicates a serious system condition, which > > could result in IO data corruption. Rather than contiuing, panicing and > > dumping might be a better choice, so one can figure out what's causing > > the IO error. > > > > This could be especially important to companies running IO intensive > > applications where corruption must be avoided, e.g. a banks databases. > > Nacked-by: "Eric W. Biederman" <ebiederm@xmission.com> > > New binary sysctls are not allowed. Please remove the > sysctl.h and .ctl_name portions. > > see: > Documentation/sysctl/ctl_unnumbered.txt > Documentation/feature-remove-schedule.txt > > I have a set of patches that should make this kind of thing > fail to compile for .32. Hopefully I can get that out in > the next couple of days. Making problems like this easier > to spot and deal with.
Oops, ok, will do, sorry about that. Let me go create a new patch.
Ingo, do you want an incremental one, or a replacement for the original?
thanks,
greg k-h
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