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Printing problems on Ultra 2

Hi to everyone,

Recently I have tried Debian Stable on my "new" Ultra 2. Everything
seems to be working fine excepting the parallel port. I have an HP
Laserjet 4L.
The 2.4.27 kernel contains 2 drivers for the Sun parallel port: bpp
(obsolete) and parport_sunbpp. With the parport_sunbpp module one
cannot print anything useful; the output contains only garbage. With
the bpp module the situation is somehow better, but the printout
contains additional strange characters; some characters are missing
With dvilj4l the printout is almost "perfect", some characters are
missing though.
I have tried messing with some udelay-s but without success.
I would like to know if anyone managed to print using the
bpp/parport_sunbpp driver under SPARC-linux. I mention that the printer
works fine with my Ultra 10 under Debian-SPARC, but with the parport_pc
driver (pc-style parallel port). So we can be absolutely sure that the
problem is connected with the bpp/parport_sunbpp drivers.
Any suggestion would be appreciated.

Best regards,

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