Linux-2.6.27-rc5, drm errors in log
gene.heskett at verizon.net
Sat Aug 30 19:19:45 PDT 2008
On Saturday 30 August 2008, Bridgman, John wrote:
>))I'm drowning in these errors:
>))Aug 30 13:21:05 coyote kernel: [14927.850078] [drm] wait for fifo failed
> status : 0x80076100 0x00000000
>I'm just going on the code in your email - can't view git until later today
> - but in this case it seems like the timeouts were always happening and now
> there is code to print an error message.
>IIRC the usual fix is to bump the timeout but (Michael ?) has suggested a
> couple of times that the ideal solution would be to change the logic so
> that the driver never times out while the chip is making progress (ie while
> the number of slots available in the fifo is increasing, even if it hasn't
> increased enough yet).
FWIW, I added the 3 lines that cause that printout to the 2.6.27-rc4 tree and
rebuilt it. There are no more errors being reported now by 2.6.27-rc4, and
there were none without those 3 added lines prior to this, so it is rc5
>The r300 register is only being used in the error message so I don't think
> that's the problem. Strictly speaking I guess it should be wrapped in a
> chip-specific conditional but I think it just reads 0 on a pre-r300 chip.
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