Date: Sun, 21 May 1995 11:47:44 -0700 From: Sean Eric Fagan <sef@kithrup.com> To: bde@zeta.org.au, davidg@Root.COM, freebsd-bugs@FreeBSD.org, tege@cygnus.com Subject: Re: MAJOR problem with FreeBSD-2.0-RELEASE Message-ID: <199505211847.LAA13914@kithrup.com>
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>There have been several reports that bounce buffering is broken. The bt >driver always enables bounce buffering, although this at best wastes time >on non-ISA systems. Some more information: the system has a Quantum 4.1GByte drive on it (one of the Grand Prix, supposedly, although it apparantly identifies itself as a slightly different model). I just tried running a kernel without bounce buffers, without an ed0 driver, and with MAXMEM set to 16384. I booted, and then tried to build bash by cd /usr/src/local/bash* make It first gave a warning/error message from the buslogic driver, saying something about there being more than 33 mbxs (I think it was); there was then a message from the scsi code saying "oops" something wasn't queued. The system then got a kernel page fault, and paniced. Before that, with slightly different kernels, I'd noticed that cd /sys/i386/conf vi TEGE would get the buslogic warnings/errors, and vi would come up with an empty file, or core dump. If, however, I did vi :e TEGE it would work. I think he is going to install Linux. This is the second motherboard he's been unsuccessful in running FreeBSD-2.0 on. Sean.
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