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Old 06 September 2017, 10:25   #81
twiggy

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Thanks for the reply/information.

I get this error on boot:

Code:
ep0: wrote 0x7ff to TX_AVAIL_THRESH, read back 0x0. Interface disabled
I'm using a PCMCIA card (3C589D) and the kernel is GENERIC.201703111743Z. Should I attempt to build one with the ep driver, or is it already there and just not behaving?

Many thanks
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Old 06 September 2017, 14:46   #82
strim
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Quote:
Originally Posted by twiggy View Post
I get this error on boot:

ep0: wrote 0x7ff to TX_AVAIL_THRESH, read back 0x0. Interface disabled
The ep driver is already in kernel, it just doesn't work because Amiga-specific PCMCIA driver is broken in some weird way. With NE2000 compatible cards (ne driver) it works by some sheer coincidence.

I was supposed to debug this at some point, but life got in the way. Unless someone fixes the PCMCIA driver, ep won't work.

https://nxr.netbsd.org/xref/src/sys/...gayle_pcmcia.c

Either one of the pcmio_* functions is broken, or the fact that pcmio_ functions are not defined for word length accesses is the problem... Word accesses are probably needed by ep (while they aren't used by ne).
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Old 06 September 2017, 17:22   #83
phx
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Quote:
Originally Posted by strim View Post
Either one of the pcmio_* functions is broken, or the fact that pcmio_ functions are not defined for word length accesses is the problem...
I would guess so. I had a look into the pcmcia-ep driver this morning, and the error is the result of a 16-bit write operation which reads back as zero.
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