Date: Mon, 12 Feb 2001 08:12:12 -0800 From: Julian Elischer <julian@elischer.org> To: "Alexander N. Kabaev" <ak03@gte.com> Cc: Alexander Leidinger <Alexander@Leidinger.net>, current@FreeBSD.ORG Subject: Re: Lpt driver broken? Message-ID: <3A880B5C.5D97E515@elischer.org> References: <XFMail.20010212101005.ak03@gte.com>
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"Alexander N. Kabaev" wrote:
>
> > But I remember some posts about a lpt panic some days ago. I tried to
> > compile a new kernel because I think this is resolved, but I have to
> > solve some problems with my system at the moment.
>
> My -CURRENT used to crash every time lpr has been used but the panic went away
> when John Baldwin committed his ithread cleanup megapatch:
>
> jhb 2001/02/09 09:47:47 PST
>
> Modified files:
> sys/i386/i386 nexus.c
> sys/i386/isa intr_machdep.c intr_machdep.h ithread.c
> Log:
> Use the MI ithread helper functions in the x86 interrupt code.
>
> The kernel from Feb 9 worked just fine for me, but then the following
> commit has been made and the system started to crash again:
>
> jhb 2001/02/09 18:41:51 PST
>
> Modified files:
> sys/i386/isa ithread.c
> Log:
> Re-enable preemption on interrupts. My last commit accidentally reverted
> it as I was playing with some other ways of doing kernel preemption.
>
> Revision Changes Path
> 1.14 +9 -2 src/sys/i386/isa/ithread.c
>
> If you badly need your printer to work, you can simply revert this patch.
I booted with -c and set the irq and drq to -1 so that the
driver is running in polled mode.
it's now printing, slowly, but I am going to bed now so as long
as it's done by the morning, I'm happy :-)
I'll try your suggestion tomorrow.
(I'm not interrupting this print run for anything, after spending most of
the afternoon trying to get it to print at all.) :-)
>
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