Messages in this thread | | | Date | Fri, 9 Dec 2005 10:13:48 -0500 | From | Daniel Jacobowitz <> | Subject | Re: [PATCH] Adding ctrl-o sysrq hack support to 8250 driver |
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On Fri, Dec 09, 2005 at 03:05:59PM +0100, Olaf Hering wrote: > > If you can queue this up in -mm for a decade or two, just to make sure > it doesnt make some setup unhappy. > > > a POWER4 system in 'full-system-partition' mode has the console device > on ttyS0. But the user interface to the Linux system console may still > be on the hardware management console (HMC). If this is the case, there > is no way to send a break to trigger a sysrq. > Other setups do already use 'ctrl o' to trigger sysrq. This includes iSeries > virtual console on tty1, and pSeries LPAR console on hvc0 or hvsi0. > > 'ctrl o' is currently mapped to 'flush output', see 'stty -a'
And... you're going to make it impossible to run ppp over the serial console port. For everyone, not just your big POWER4 boxes. As far as I know, if you turn off the printk log level, this should work just fine today.
-- Daniel Jacobowitz CodeSourcery, LLC - 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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