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2.6.12-rc3, G5 sound not quite there , some info



OK, I got 2.6.12-rc3 to try to get the sound working but no joy.
Anyway, some info...

I have a powermac G5, dual 1.8 (first tower) and I compliled
2.6.12-rc3
without SMU i.e # CONFIG_PMAC_SMU is not set. I'm also using 32 bit
ppc and not ppc64. I'm running gentoo.

modprobe snd-powermac gives in  /var/log/messages:

Apr 29 01:10:33 linux ALSA sound/ppc/tumbler.c:1037: cannot find
device audio-hw-reset
Apr 29 01:10:33 linux ALSA sound/ppc/tumbler.c:1037: cannot find
device amp-mute
Apr 29 01:10:33 linux ALSA sound/ppc/tumbler.c:1037: cannot find
device headphone-mute
Apr 29 01:10:33 linux ALSA sound/ppc/tumbler.c:1037: cannot find
device line-output-mute
Apr 29 01:10:33 linux ALSA sound/ppc/tumbler.c:1037: cannot find
device headphone-detect
Apr 29 01:10:33 linux ALSA sound/ppc/tumbler.c:1037: cannot find
device line-output-detect
Apr 29 01:10:33 linux ALSA sound/ppc/tumbler.c:369: failed to set DRC
Apr 29 01:10:33 linux ALSA sound/ppc/tumbler.c:232: failed to set
volume
Apr 29 01:10:34 linux ALSA sound/ppc/keywest.c:122: tumbler: -6
:cannot initialize the MCS

running alsamixer gives:
alsamixer: function snd_ctl_open failed for default: No such device


lsmod gives at this stage:

Module                  Size  Used by
snd_powermac           41796  0
snd_pcm               106888  1 snd_powermac
snd_timer              26632  1 snd_pcm
snd                    61848  3 snd_powermac,snd_pcm,snd_timer
soundcore               9160  1 snd
snd_page_alloc          9348  1 snd_pcm
ipt_LOG                 8452  10
ipt_limit               2564  1
ipt_state               1920  17
ip_conntrack_ftp       72668  0
ip_conntrack           58012  2 ipt_state,ip_conntrack_ftp
iptable_filter          2816  1
ip_tables              26112  4
ipt_LOG,ipt_limit,ipt_state,iptable_filter
eth1394                20488  0
ohci1394               36660  0
ieee1394              421144  2 eth1394,ohci1394
usblp                  13696  0

/proc/cpuinfo:

processor       : 0
cpu             : PPC970, altivec supported
clock           : 1800MHz
revision        : 2.2 (pvr 0039 0202)
bogomips        : 1200.12

processor       : 1
cpu             : PPC970, altivec supported
clock           : 1800MHz
revision        : 2.2 (pvr 0039 0202)
bogomips        : 1200.12

total bogomips  : 2400.25
machine         : PowerMac7,2
motherboard     : PowerMac7,2 MacRISC4 Power Macintosh
detected as     : 336 (PowerMac G5)
pmac flags      : 00000000
L2 cache        : 512K unified
memory          : 0MB
pmac-generation : NewWorld

lspci:

0000:f0:0b.0 Host bridge: Apple Computer Inc. U3 AGP
0000:f0:10.0 VGA compatible controller: ATI Technologies Inc RV350 AP
[Radeon 9600]
0001:00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8131 PCI-X
Bridge (rev 12)
0001:00:02.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8131 PCI-X
Bridge (rev 12)
0001:00:03.0 PCI bridge: Apple Computer Inc. K2 HT-PCI Bridge
0001:00:04.0 PCI bridge: Apple Computer Inc. K2 HT-PCI Bridge
0001:00:05.0 PCI bridge: Apple Computer Inc. K2 HT-PCI Bridge
0001:00:06.0 PCI bridge: Apple Computer Inc. K2 HT-PCI Bridge
0001:00:07.0 PCI bridge: Apple Computer Inc. K2 HT-PCI Bridge
0001:01:07.0 Class ff00: Apple Computer Inc. K2 KeyLargo Mac/IO (rev
20)
0001:01:08.0 USB Controller: Apple Computer Inc. K2 KeyLargo USB
0001:01:09.0 USB Controller: Apple Computer Inc. K2 KeyLargo USB
0001:02:0b.0 USB Controller: NEC Corporation USB (rev 43)
0001:02:0b.1 USB Controller: NEC Corporation USB (rev 43)
0001:02:0b.2 USB Controller: NEC Corporation USB 2.0 (rev 04)
0001:03:0d.0 Class ff00: Apple Computer Inc. K2 ATA/100
0001:03:0e.0 FireWire (IEEE 1394): Apple Computer Inc. K2 FireWire
0001:04:0f.0 Ethernet controller: Apple Computer Inc. K2 GMAC (Sun
GEM)
0001:05:0c.0 IDE interface: ServerWorks K2 SATA

I'm not sure what else to write but I'm glad to provide more info.

Also as a side note the readeonfb doesn't seem to work that good. I
get flickering. It works fine for with a 2.6.9 kernel. Any hints
welcome (btw I have
xorg 6.8.2).



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