Hello, I have an Asus Commando Mobo with one of those dreadful JMicron controllers (JMicron 20360/20363 AHCI Controller (rev 02). I have a PATA ATAPI CD-RW attached to the JMicron. I'm running 2.6.21 vanilla with no modules, everything built-in I can't get my CD-RW to work. have tried the pata_jmicron driver and the JMicron ide driver, no success. With the pata_jmicron, there are timeouts and resets in the dmesg, as can be seen below: PCI: Setting latency timer of device 0000:03:00.1 to 64 ata9: PATA max UDMA/100 cmd 0x0001bc00 ctl 0x0001b882 bmdma 0x0001b400 irq 17 ata10: PATA max UDMA/100 cmd 0x0001b800 ctl 0x0001b482 bmdma 0x0001b408 irq 17 scsi8 : pata_jmicron ATA: abnormal status 0x7F on port 0x0001bc07 ATA: abnormal status 0x7F on port 0x0001bc07 ata9.01: ATAPI, max UDMA/33 ata9.01: configured for UDMA/33 scsi9 : pata_jmicron ATA: abnormal status 0x7F on port 0x0001b807 ata9.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata9.01: cmd a0/01:00:00:00:00/00:00:00:00:00/b0 tag 0 cdb 0x12 data 36 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) ata9: soft resetting port Excerpts from lspci: 03:00.0 SATA controller: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02) (prog-if 01 [AHCI 1.0]) Subsystem: ASUSTeK Computer Inc. Unknown device 81e4 03:00.1 IDE interface: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02) (prog-if 85 [Master SecO PriO]) Subsystem: ASUSTeK Computer Inc. Unknown device 81e4 Some relevant .config options: CONFIG_ATA=y CONFIG_SATA_AHCI=y CONFIG_PATA_JMICRON=y Other relevant info: I use the libata ahci driver to run my sata ports and that works great. Attached: -dmesg -lspci -vvv -config Regards
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