Messages in this thread |  | | Date | Tue, 04 Sep 2001 14:21:31 +0300 | From | Michael Ben-Gershon <> | Subject | Re: lpr to HP laserjet stalls |
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Tim Waugh wrote: > > On Tue, Sep 04, 2001 at 02:03:03PM +0300, Michael Ben-Gershon wrote: > > > Sep 3 00:33:29 linux kernel: parport0: PC-style at 0x378 (0x778) > > [PCSPP,TRISTATE,COMPAT,EPP,ECP] > > This is 'polling' mode. So, three code paths left to try. :-) > > > As far as I can see, although IRQ 7 is detected, it is not used, so > > I don't see how starting parport with irq=none would help. Could > > CONFIG_PARPORT_PC_FIFO actually improve matters in such a situation? > > It could, yes. > > I certainly wouldn't have expected stalls in polling mode though. I > wonder what's up with that. > > It would be very useful to see if there's any change with (a) > interrupt-driven, (b) PIO, or (c) DMA printing.
Please excuse my ignorance, but if it detects the IRQ and does not use it, how is it possible to set up interrupt-driven mode?
I am not really a 'kernel hacker', but am posting here as I have not managed to solve the problem elsewhere. So please tell me exactly what to put on the kernel command line at start-up.
Many thanks,
Michael Ben-Gershon mybg@netvision.net.il - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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