Messages in this thread | | | Date | Tue, 26 Jan 2010 11:18:53 +0100 | From | Simon Kagstrom <> | Subject | Re: [PATCH] Provide ways of crashing the kernel through debugfs |
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Hi Americo!
On Tue, 26 Jan 2010 18:08:28 +0800 Américo Wang <xiyou.wangcong@gmail.com> wrote:
> On Tue, Jan 26, 2010 at 5:56 PM, Simon Kagstrom > <simon.kagstrom@netinsight.net> wrote: > > For development and testing it's sometimes useful to crash or injure the > > kernel in various ways. This patch adds a debugfs interface to provoke > > null-pointer dereferences, stack corruption, panics, bugons etc. For > > example: > > > > mount -t debugfs debugfs /mnt > > echo 1 > /mnt/provoke-crash/null_dereference > > > > Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> > > --- > > Obviously this feature is for debugging and testing only, and of > > interest to fairly few people. I've used it for testing the kmsg_dump > > stuff (hence the CC:s above) and kdump, and have found it fairly useful. > > > > If it's not of interest, at least this mail will be in the archives if > > someone else needs something like it :-) > > Hey, we already have /proc/sysrq-trigger, you need to state why > it is better than using /proc/sysrq-trigger.
Well, it provides a few more ways of crashing the kernel. That's basically the only additional feature you'll get.
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