Jeremy Fitzhardinge wrote:
> On Sat, 2003-03-22 at 01:23, Tim Josling wrote:
>>According to my reading of the code, it should only happen in polled
>>mode, but I have only one week of experience looking at kernel source.
> I'm wondering if a better fix might be to have something like:
> if (wait * 2 > wait)
> wait *= 2;
> at the bottom of the loop, so that the wrap-around doesn't happen.
if (wait > 10 * HZ)
wait = 10 * HZ;
and that worked, so your theory would probably work. However to my mind
it is a hack.
>>So it should be a work-around, assuming interrupts work on the parallel
>>port on your system :-). It is an very vexing problem, as I'm sure you know.
>>By the way, LJ1100s tend to get page feeding problems about the time the
>>warranty runs out, but HP has a free kit you can order to fix the problem.
> Yes, I just installed it. It suddenly made the printer useful again, so
> I've printing more, and seeing the hangs. I enabled interrupts, which
> seems to work OK.
Good. That (enabling interrupts fixes the problem) tends to add credence
to my theory.
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This archive was generated by hypermail 2b29 : Sat Mar 22 2003 - 15:46:00 EST