Date: Thu, 12 Jan 2012 00:33:32 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: Chuck Burns <break19@gmail.com> Cc: freebsd-net@freebsd.org, Alexander Motin <mav@FreeBSD.org>, freebsd-current@freebsd.org Subject: Re: Very fresh (two days ago) 10-current becomes completely unresponsive under load Message-ID: <19210156623.20120112003332@serebryakov.spb.ru> In-Reply-To: <4F0CCDFC.9020901@gmail.com> References: <1791250845.20120111030529@serebryakov.spb.ru> <108354307.20120111032108@serebryakov.spb.ru> <4F0CCDFC.9020901@gmail.com>
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Hello, Chuck. You wrote 11 =FF=ED=E2=E0=F0=FF 2012 =E3., 3:47:08: > If it were me, I would also try with the older 44BSD scheduler, just to > see what happens. It helps both with mpd5.5 and mpd5.6. Now under network load top lines in `top' are PID USERNAME PRI NICE SIZE RES STATE TIME WCPU COMMAND 10 root 155 ki31 0K 8K RUN 2:19 60.74% idle 11 root -72 - 0K 112K WAIT 1:47 32.03% intr{swi1: netis= r 0} And system is very responsive. ng_queue is not in top 17 (one screen) lines of `top' any more, it looks usual to me. I'll try to find revision, which breaks ULE + NetGraph by binary search, but it takes some time as here is 590 revisions in "head/sys" between previous version I used (which works Ok with ULE) and current version (which doesn't). So, it should be ~9 iterations, and every iteration takes ~1 hour and I could not spend 9 hours in row on this task. --=20 // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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