Status of parport driver in 2.6.20.1
Quoted 7 lines · Randolph Chung
Quoted 1 line
I am running a 2.6.20.1 kernel on a C3600 workstation and want to hook up a printer to the parallel port. But modprobe'ing parport-pc or parport-serial gives me:
I think this uses suckyio. Can you post your boot log somewhere? I don't know if anybody has tried this recently but it did work at some point.
Also, output of lspci -v and cat
/proc/interruptsmay be helpfulFor HPMC, you can recover the some trace data from the boot console. See http://www.parisc-linux.org/faq/kernelbug-howto.html
I have build a kernel with parport support (the first try was with parport as module) and was able to get a backtrace:
http://web.inf.tu-dresden.de/~s1054849/dmesg.and.hpmc.txt
http://web.inf.tu-dresden.de/~s1054849/pci.txt
The latter is from the same kernel without parport.
Regards,
Julian
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Quoted 1 line · Randolph Chung
Hrm, all the automatic probing in
parport_pcis causing the HPMC. Can you do a quick experiment and boot the kernel with "parport=0"? The SuperIO driver should still register the parallel port.
It does:
SuperIO: Found NS87560 Legacy I/O device at 0000:00:0e.1 (IRQ 19)
SuperIO: Serial port 1 at 0x3f8
SuperIO: Serial port 2 at 0x2f8
SuperIO: Parallel port at 0x378
SuperIO: Floppy controller at 0x3f0
SuperIO: ACPI at 0x7e0
SuperIO: USB regulator enabled
parport0: PC-style at 0x378, irq 5 [PCSPP]
...
lp0: using parport0 (interrupt-driven).
and CUPS just successfully printed a test page. :) I guess this should be documented somewhere. What about a Wiki page about current problems? I am happy to provide content about the parport issue and document my ALSA experiments, just don't know where to put it.
Regards,
Julian
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