[ale] Kernel assistance required

[Michael B. Trausch]

Hi all,

I need help from someone who is familiar with the Linux kernel and its
drivers and so forth.

I have this:

03:06.0 Communication controller: NetMos Technology PCI 9815 Multi-I/O
Controller (rev 01)

Details:

03:06.0 Communication controller: NetMos Technology PCI 9815 Multi-I/O
Controller (rev 01)
    Subsystem: LSI Logic / Symbios Logic 2P0S (2 port parallel adaptor)
    Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
    Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Interrupt: pin A routed to IRQ 21
    Region 0: I/O ports at d800 [size=8]
    Region 1: I/O ports at d400 [size=8]
    Region 2: I/O ports at d000 [size=8]
    Region 3: I/O ports at c800 [size=8]
    Region 4: I/O ports at c400 [size=8]
    Region 5: I/O ports at c000 [size=16]
    Kernel driver in use: parport_pc
    Kernel modules: parport_pc

But, uh, it doesn't work.

The kernel detects it (and the printer attached to it) alright:

2011-02-05 12:17:18 EST (Linux 2.6.35-26-generic)
<mbt at aloe> ~ $ dmesg|egrep '(parport|lp)'
[   10.931931] lp: driver loaded but no devices found
[   11.201761] parport_pc 0000:03:06.0: PCI INT A -> GSI 21 (level, low)
-> IRQ 21
[   11.201807] parport0: PC-style at 0xd800 (0xd400), irq 21, using FIFO
[PCSPP,TRISTATE,COMPAT,ECP]
[   11.242729] parport0: Printer, CITIZEN 500
[   11.242800] lp0: using parport0 (interrupt-driven).
[   11.242857] parport1: PC-style at 0xd000 (0xc800), irq 21, using FIFO
[PCSPP,TRISTATE,COMPAT,ECP]
[   11.330295] lp1: using parport1 (interrupt-driven).

But sending anything to it is as good as sending it to /dev/null: it
does nothing.

The card itself works, as the Windows operating system can print to it.
I'm not sure what the problem is: there is no status information, nor
any errors, output to dmesg or the system logs when I attempt to use the
printer.  Just, nothing happens.  At all.

I don't really know where to begin looking at this.  I don't have any
idea if any Linux kernel actually works with this hardware, nor do I
know really how to go about figuring out whether any of them do other
than by brute force.

The last time I had a problem with anything in the parallel subsystem,
the kernel people were less helpful than not helpful at all, which is
why I am asking here.  Nobody there was willing to offer me any
guidance, and I wound up throwing away the hardware because I had no
time to fuss with it.

	--- Mike
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