Dear list,
This is just to add another sample to the Radeon switch to VT and back X
freeze bug, which is apparently known.
I'm running the XFree86 4.2.0pre1v1 Debian packages on a Debian Woody system
with a Radeon driver snapshot of 20020715 as kindly supplied by dri.sf.net.
The card is a Radeon M7 (LW) in a noname brand laptop with an i845 chipset
and a Northwood P4.
So far, the DRI works wonderfully. glxgears yields a *very* impressive 1700
- 1800 FPS (with EnablePageFlip). However, when I switch to a VT (which
works) and then back, the X display mostly restores itself (some colour
artifacts, almost like we're seeing parts of some back buffer, which we're
not) but then promptly stops responding. I can still move the mouse
pointer, but that's it. X consumes 100% cpu according to top. I have to
shutdown at this point.
What I've tried so far:
- CVS checkout of DRI source and various crackpot hacks and experiments by
myself, mostly in RADEON{Enter,Leave}VT
- running X without DRI (by e.g. not modprobing the agpgart module) allows me
to switch to VTs and back to my heart's content; I need DRI however.
- various different kernel versions and configurations (currently at
2.4.19 with acpi 20020611 and swsusp patches; have tried without, no
success: ACPI is quite important though to keep this 2GHz desktop CPU cool)
- with and without radeonfb, with and without UseFBDev
- some of the radeon driver switches (e.g. CPPIOMode and ForcePCIMode)
- and more voodoo and late night craziness which I can't remember all that
well
To help make this a usefull sample point, I've attached the output of lspi
and lsmod, as well as XF86Config-4, XFree86.log and proc_interrupts.
BTW, I see no interrupt assigned to the Radeon, is this normal?
Regards,
Charl
--
charl p. botha http://cpbotha.net/ http://visualisation.tudelft.nl/
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