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Date:      Sun, 02 Mar 1997 15:02:20 +0000
From:      Martin Cooper <mjc@xara.net>
To:        bugs@freebsd.org
Subject:   [2.2-970225] XF86_S3 crashes when changing VCs
Message-ID:  <199703021502.PAA20950@diamond.xara.net>

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[2.2-970225-GAMMA] Default kernel with all but the following
disabled:

Floppy drive - default settings
IDE controller wd0 - default settings
3com 3C509 - default settings
Parallel port 0 - default settings
Serial ports 0 and 1 - default settings
Syscons driver - default settings

On a DX2/66 w/ 256K cache, 32M RAM, Diamond Stealth VRAM
S3 86C924 card w/ 1M VRAM, SS2410 RAMDAC and icd2061a clockchip
with the S3 server and icd clockchip selected with xf86config,
changing from the server to the first or second virtual console
generated a "XF86_S3 server pid [x] tried to use SYSVSHM".

Changing back to the X server, and then back to VC1 causes the
X server to hang in a state where changing console, Ctrl-Alt-Backspace
and Ctrl-Alt-Delete don't work.

Using a basic install of 2.1.7-RELEASE with the X server stuff
from 2.1.5-RELEASE (XFree 3.1.2-S I think) with kernel and X
configured in exactly the same way, this doesn't happen.

I suspect either:

a) Default kernel w/ 2.2-GAMMA doesn't have support for SYSVSHM
   in it, where earlier versions e.g. 2.1.7-RELEASE did.
b) XF86_S3 that comes with 2.2-GAMMA (XFree 3.2) demands support
   for SYSVSHM and/or doesn't have the support built in.

Cheers,

Martin



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