Date: 2 Jun 2003 03:32:13 -0000 From: "D. J. Bernstein" <djb@cr.yp.to> To: freebsd-mobile@freebsd.org Subject: Re: my thinkpad t40 experiences Message-ID: <20030602033213.43248.qmail@cr.yp.to> References: <524131.1054519111892.JavaMail.nobody@kermit.psp.pas.earthlink.net>
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A couple of weeks ago I tried using the latest stable kernel with
radeondrm, and enabling AGP. Two problems:
* Minor (compared to how bad it was without AGP): Suspend instantly
freezes the machine. (As noted on the web page, Linux has the same
problem with its AGP driver.)
* Major: XFree86.0.log shows
(II) RADEON(0): Panel ID string: [byte 255 repeated many times]
(II) RADEON(0): Panel Size from BIOS: 65535x65535
and X dumps core. (Linux doesn't have this problem.)
As for the wireless-resume incompatibility: I haven't bothered trying to
fix this. Resume doesn't work with X (even if I kill X before suspend);
rewriting X is increasingly tempting but not an overnight job. Resume
also hangs the APM driver; without the APM driver, I don't know the
battery status, so I'm unlikely to risk having the battery run down.
Wireless is the least of these problems.
---D. J. Bernstein, Associate Professor, Department of Mathematics,
Statistics, and Computer Science, University of Illinois at Chicago
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