Date: Sat, 15 Jan 2005 13:13:06 +0300 From: "Peter Trifonov" <petert@dcn.infos.ru> To: "'John Baldwin'" <jhb@FreeBSD.org>, <freebsd-smp@FreeBSD.org> Cc: kris@obsecurity.org Subject: RE: Lost interrupts on SMP systems Message-ID: <20050115100904.76681306E2@smtp.xj.dcn> In-Reply-To: <200501141418.18587.jhb@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Hello John, > > > workaround for an undocumented errata in at least some older I/O > > > APICs where a level triggered interrupt can accidentally be > > > delivered as edge triggered and end up not being properly > > > acknowledged. However, you don't have any level triggered > > > interrupts, so I'm not sure that is applicable. > More interrupt load that way, which would indicate maybe the > bug Linux tries to work around except that your intpins are > edge triggered. :( After doing some google search I have found a number of somewhat similar problem reports/patches related to this family of HP boxes (Vectra XU 6/200). Maybe that is what you were writing about, sorry in such case. http://www.sslug.dk/emailarkiv/teknik/2000_07/msg00306.html http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg34195.html freebsd-smp-unsubscribe@freebsd.org" With best regards, P. Trifonov
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050115100904.76681306E2>