Problems with SiS 7018 sound chipset

[Clemens Eisserer]

Hello,

I hope I don't bother you too much, I thought a long time wether I
should report this at all but well, as an AC/DC fan I can't live
without my soundcard ;)

I own a laptop with a sis7018 sound-chipset and I am running FC4
updated to kernel Linux cehost 2.6.15-1.1831_FC4 (not compiled
myself).
I never had problems with my soundcard at all but some time ago it
suddely stopped to work. I can't remember wether it was a
kernel-update or a motherboard exchange made by service engineers.

Whenever an application tries to access the sound-device I get
messages like the following on syslog:
codec_write 0: semaphore is not ready for register 0x2c
the same again and again, but different registers: 0x2c, 0x2a 0x2c
0x2c 0x2c 0x2c 0x3a 0x2a

When booting up I get a strange message from the pci subsystem:
PCI: Failed to allocate mem resource #6:20000@f0000000 for 0000:01:00.0
booting with pci=noacpi did not help or change the situation.

this is the output I get from lspci:
00:00.0 Host bridge: Silicon Integrated Systems [SiS] 645xx (rev 03)
00:01.0 PCI bridge: Silicon Integrated Systems [SiS] SG86C202
00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS963 [MuTIOL
Media IO] (rev 14)
00:02.1 SMBus: Silicon Integrated Systems [SiS] SiS961/2 SMBus Controller
00:02.3 FireWire (IEEE 1394): Silicon Integrated Systems [SiS]
FireWire Controller
00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE]
00:02.6 Modem: Silicon Integrated Systems [SiS] AC'97 Modem Controller (rev a0)
00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS]
Sound Controller (rev a0)
00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.0
Controller (rev 0f)
00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.0
Controller (rev 0f)
00:03.2 USB Controller: Silicon Integrated Systems [SiS] USB 1.0
Controller (rev 0f)
00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 Controller
00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900
PCI Fast Ethernet (rev 90)
00:0c.0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller
01:00.0 VGA compatible controller: nVidia Corporation NV18M [GeForce4
488 Go] (rev a2)

I hope somebody reads this, if not the life will go on ;)

Thanks for making linux-2.6 such great, lg Clemens
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