attach fails as oss complains about high level interrupts

OSS specific Solaris discussion (x86/SPARC)

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attach fails as oss complains about high level interrupts

Postby jfsimon » Tue Jun 30, 2009 1:05 pm


i am using an intel based M/B (MCH5100+ich9). the sound device is embeded in ICH9 (intel HDAUDIO):

pci bus 0x0000 cardnum 0x1b function 0x00: vendor 0x8086 device 0x293e
Intel Corporation 82801I (ICH9 Family) HD Audio Controller
STATUS 0x0010 COMMAND 0x0046
CLASS 0x04 0x03 0x00 REVISION 0x02
BIST 0x00 HEADER 0x00 LATENCY 0x00 CACHE 0x10
BASE0 0x0000000fffff8004 addr 0x0000000fffff8000 MEM 64BIT
MAX_LAT 0x00 MIN_GNT 0x00 INT_PIN 0x01 INT_LINE 0x0a
BYTE_0 0x01 BYTE_1 0x00 BYTE_2 0x00 BYTE_3 0x07

when solaris tries to install the OSS driver it complains with:
Jan 1 23:25:34 sol10xv1 osscommon: [ID 578674 kern.warning] WARNING: The driver for Intel HD Audio doesn't support hilevel interrupts
Jan 1 23:25:34 sol10xv1 oss_hdaudio: [ID 508524 kern.warning] WARNING: Can't register interrupt handler, err=-22
Jan 1 23:25:34 sol10xv1 oss_hdaudio: [ID 968132 kern.warning] WARNING: Attach failed

and the driver attach() fails.
any ideas?
thx a lot
-j simon

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