Date: Tue, 22 May 2001 16:33:07 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Alfred Perlstein <bright@rush.net> Cc: current@FreeBSD.org Subject: RE: HEADS UP: I broke swapping Message-ID: <XFMail.010522163307.jhb@FreeBSD.org> In-Reply-To: <20010520164603.B17514@superconductor.rush.net>
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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 <jhb@FreeBSD.org> -- 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/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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