Bug#748398: Bug has returned as CONFIG_FB_RADEON=y is set again
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On 12/23/2014 02:48 AM, Ben Hutchings wrote:
> This change caused a regression for some other 32-bit PowerMacs the
> last time we tried it (#614221). Therefore I limited it to 64-bit
> PowerPC configurations.
Thanks for the hint! Interestingly, the linked bug report mentions that
the bug showed on the Mac Mini G4 model as well [1] which is the exact
model which I am testing on (G4 CPU, Radeon 9200 graphics).
Also, as far as I know, the iBook G4 that you tested as well as my Mac
Mini G4 share exactly the same hardware, minus the display. So I am
quite confident the results should be the same.
> I am not going to make any further changes to this, until someone
> can show a solution that will not reintroduce that regression.
Alright, which hardware configurations do you want me to test? As I said
during DebConf, I might be able to lend some G3/G4 Macs from people at
my department and run some tests on them.
In any case, we need to be able to use the radeon KMS driver as Radeon
X.Org driver that ships with Jessie does no longer support UMS, so
anyone using the 32-bit kernel on a PowerPC will have poor graphics
performance either way.
I will try to get into touch with the people from the #614221 bug
report. They should be able to test whether the regression still
exists by simply adding "video=radeonfb:off" on a testing/sid
system.
Adrian
> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614221#39
- --
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaubitz@debian.org
`. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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