Date: Tue, 10 Sep 1996 22:28:35 -0500 (CDT) From: Karl Denninger <karl@Mcs.Net> To: dg@root.com Cc: danny@panda.hilink.com.au, hackers@FreeBSD.org Subject: Re: undocumented kernel priority changing Message-ID: <199609110328.WAA09083@Jupiter.mcs.net> In-Reply-To: <199609110315.UAA20331@root.com> from "David Greenman" at Sep 10, 96 08:15:35 pm
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> >Hmm, I actually like the automatic renicing when programs such as vi and > >pine run away with the CPU when their tty disappears. The machine is > >still usable interactively. > > As I've already said, it's not the 'renicing' that makes the machine > continue to be usable interactively, but rather the other parts of the > dynamic scheduling algorithm. Removing the 'renicing' should have little > or no affect on the problems you've mentioned. > I should also point out that run-away pine processes are caused by bugs in > pine and should be fixed, not smoothed over with some kernel hacks. > > -DG > > David Greenman > Core-team/Principal Architect, The FreeBSD Project That depends. BSDI had a habit of not delivering a SIGHUP to the process when the control terminal was de-allocated (ie: a "dirty" close of a telnet connection). FreeBSD doesn't seem to do this in the testing that we've run here. Or at least, if it does, its nowhere near as frequent. -- -- Karl Denninger (karl@MCS.Net)| MCSNet - The Finest Internet Connectivity http://www.mcs.net/~karl | T1 from $600 monthly; speeds to DS-3 available | 23 Chicagoland Prefixes, 13 ISDN, much more Voice: [+1 312 803-MCS1 x219]| Email to "info@mcs.net" WWW: http://www.mcs.net/ Fax: [+1 312 248-9865] | Home of Chicago's only FULL Clarinet feed!
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