On 20-May-01 Alfred Perlstein wrote:
> I broke swapping with the vm mutex.
>
> Hopefully I should have this fixed up within a couple of days tops.
>
> No, I'm not heading off to Aruba or someplace after this intrusive
> change, I am working on it. Your kernel may panic, but I hope you
> all keep a level head about this and don't follow suit. :)
>
> Patches, suggestions and crashdumps would be helpful.
>
> Bruce has been giving me some helpful tracebacks that I'm planning
> to use to stabilize the system.
I am currently running X on my laptop with a current kernel with the patch
http://www.FreeBSD.org/~jhb/patches/vm.patch. It is swapping, and I've tested
out exhausting all the swap and mem at least which worked.
> swapinfo
Device 1K-blocks Used Avail Capacity Type
/dev/ad0s2b 266112 16 266096 0% Interleaved
> vmstat -s
659683 cpu context switches
547856 device interrupts
5289 software interrupts
269300 traps
1492219 system calls
26 kernel threads created
710 fork() calls
59 vfork() calls
0 rfork() calls
15 swap pager pageins
17 swap pager pages paged in
524 swap pager pageouts
7923 swap pager pages paged out
803 vnode pager pageins
6173 vnode pager pages paged in
0 vnode pager pageouts
0 vnode pager pages paged out
253 page daemon wakeups
...
vm.vm_faults_no_vm_mtx: 209859
vm.vm_faults_no_giant: 0
vm.stats.vm.v_vm_faults: 227165
The patch still needs some cleanups, and there are some lock order reversals I
still need to work on, but it might be worth testing. :)
--
John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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