Messages in this thread | | | Date | Thu, 10 Nov 2005 10:44:19 +0000 | From | Russell King <> | Subject | Re: [PATCH] backup timer for UARTs that lose interrupts |
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On Tue, Nov 08, 2005 at 05:16:32PM -0700, Alex Williamson wrote: > I was hoping that would be the solution too. I just tried enabling > UART_BUG_TXEN to double check my previous results. Somehow it makes the > problem much, much worse. Instead of being the nuisance it usually is, > it seems like the UART gets way behind on transmitting bits. So it > would probably prevent the unattended reboot stall since we kick it > every time we want to transmit, but it renders the UART completely > unusable as a console. I can't even get it caught up enough to login > via the serial console w/ UART_BUG_TXEN enabled on the port. Thanks,
Ok, would you mind fixing the patch so it isn't screwing up the default use of up->timer please? You may notice that this timer is already used, and overwriting up->timer.function is a one-way process in your patch (which kills off the point of serial8250_timeout).
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - 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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