LOR (swap_pager.c , uma_core.c)

[Andy Hilker]

Hi,

one of my servers with SMP crashs every few minutes oder a few hours
under heavy load (e.g. /usr/ports/math/mprime, mprime -t )
With SMP disabled, server runs very stable.

kernel: lock order reversal   
kernel: 1st 0xc2113c60 vm object (vm object) @ /usr/src/sys/vm/swap_pager.c:1323
kernel: 2nd 0xc076ef40 swap_pager swhash (swap_pager swhash) @ /usr/src/sys/vm/swap_pager.c:1838
kernel: 3rd 0xc1037b58 vm object (vm object) @ /usr/src/sys/vm/uma_core.c:881
kernel: Stack backtrace:

Unfortunately, i have only about 900 MB Swap but 1 GB Memory, so
crash dumps are not possible!? Or is cutting available memory bei
sysctl an option?

Anything i could do for getting more informations?

bye,
Andy
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