kernel panic question

Kris Kennaway kris at
Thu Nov 24 23:14:30 GMT 2005

On Thu, Nov 24, 2005 at 01:26:16PM +0300, Evgenii Davidov wrote:
> i have 4.11-RELEASE-p13 on smp machine
> i've tested it with memtest and cpuburn for a day
> but with site with simple perl scripts it crashes every hour with errors:
> Nov 23 14:27:44 /kernel: panic: lockmgr: non-zero exclusive count
> Nov 23 14:33:27 /kernel: panic: pmap_release: non ptd page
> Nov 23 21:19:14 /kernel: panic: vm_page_free: freeing free page
> Nov 23 23:43:23 /kernel: panic: lockmgr: pid 43952, not exclusive lock holder -1 unlocking
> Nov 24 01:09:10 /kernel: panic: vm_page_remove(): page not found in hash
> i changed the memory but it didn't help
> tell me please -- is it problem with hadrware or i have to upgrade to 5 or 6 release or smth?

Could be a 4.11 bug..try 6.0, especially if you're running on an SMP
machine (chances are SMP is actually slower than UP on 4.11, because
SMP support was so primitive back then).

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