Date: Sun, 2 Aug 2009 12:29:02 -0700 From: Alfred Perlstein <alfred@freebsd.org> To: Robert Watson <rwatson@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Navdeep Parhar <nparhar@gmail.com>, Hans Petter Selasky <hselasky@c2i.net> Subject: Re: svn commit: r195960 - in head/sys/dev/usb: . controller input Message-ID: <20090802192902.GS47463@elvis.mu.org> In-Reply-To: <alpine.BSF.2.00.0908012313500.1507@fledge.watson.org> References: <200907300014.n6U0EZ77086341@svn.freebsd.org> <d04e16b70907310045y635245efob33b10464c22524f@mail.gmail.com> <20090731212140.GK47463@elvis.mu.org> <200908010615.02972.hselasky@c2i.net> <alpine.BSF.2.00.0908012313500.1507@fledge.watson.org>
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* Robert Watson <rwatson@FreeBSD.org> [090801 15:15] wrote: > > On Sat, 1 Aug 2009, Hans Petter Selasky wrote: > > >>>This has slowed down core dumps very significantly. What used to take > >>>10-15s on my system now takes around 3 minutes. A simple test is to > >>>break into ddb and "call doadump" with or without this rev. I have a > >>>serial console on this machine and so I can use ddb whether the attached > >>>USB keyboard works or not. > > > >It's because there is a DELAY(1000) in the UKBD's polling routine so that > >key- repeating will work, no magic. > > Given a choice between dumping 10x faster and having automatic key repeat > in DDB, I'd lean towards the former. :-) > Robert, and *@freebsd.org, Hans should be back in a day or so to address this. If critical I can probably back out the offending code, but I think it makes sense to wait a few days more for a more comprehensive fix. -- - Alfred Perlstein .- AMA, VMOA #5191, 03 vmax, 92 gs500, 85 ch250 .- FreeBSD committer
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