Messages in this thread | | | Date | Tue, 17 Oct 2006 00:02:53 +0200 (MEST) | From | Jan Engelhardt <> | Subject | Re: Sparc64 kernel message: BUG: soft lockup detected on CPU#3! |
| |
>> > [0000000000525990] prom_putchar+0x2c/0x34 >> >> I wonder; could this be a timeout during boot because the prom console >> is hardware limited to 9600baud and its buffer is full ?? > >PROM console is just slower than anything else for whatever >reason. > >Even though PROM console drives the same output, using the >native CONFIG_SERIAL_SUNHV is much faster and does not generate >the timeouts. > >That's why I told the original poster to simply disable >CONFIG_PROM_CONSOLE, it should never be used.
I have not seen this soft lockup so far, though I run a 2.6.16, most likely using CONFIG_PROM_CONSOLE (redirected to ttya by prom) because the machine is not a SUN4V (which SUNHV seems to be for).
-`J' -- - 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/
| |