Messages in this thread | | | Date | Mon, 14 Sep 2015 09:51:04 +0530 | From | Pratyush Anand <> | Subject | Re: [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver |
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On 10/09/2015:06:45:17 PM, Jon Masters wrote: > On 06/03/2015 02:53 PM, Timur Tabi wrote: > > On 06/03/2015 01:25 PM, Guenter Roeck wrote: > >> In general the idea here would be to use a crashdump kernel, which, > >> when loaded, would reset the watchdog before it fires. This kernel > >> would then write a core dump to a specified location.
And this is what we do in fedora or RHEL. There had been some work ongoing in fedora [1][2] which will help to reset any active watchdog in kdump kernel(if the watchdog driver has been registered to watchdog_class). It will eventually help a watchdog on ARM64 platform as well.
[1] https://lists.fedoraproject.org/pipermail/kexec/2015-September/002295.html [2] https://github.com/pratyushanand/kexec-tools/commits/watchdog_fmaster
~Pratyush
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