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SubjectRe: [PATCH] backup timer for UARTs that lose interrupts
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 -
maintainer of: 2.6 Serial core
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