On Sun, 23 Sep 2007 13:30:40 +0800 Fengguang Wu <[EMAIL PROTECTED]> wrote:
> > That's interensting. serial_in(). We have had NMI watchdog expiries when > > the kernel is printing a large amount of stuff out a slow serial port with > > interrutps disabled. But I thought we'd pretty much plugged those problems > > by sprinkling touch_nmi_watchdog() in various places. > > > > Do you think this is what was happening on your system? > > Very likely. I'm running linux with cmdline > "root=/dev/sda1 ro nmi_watchdog=1 console=ttyS0,115200 console=tty0", > and doing a lot of printks at the time ;-) OK. We need to find a suitable place to poke yet another touch_nmi_watchdog(). Maybe we should give up and put one in printk(). And you oopsed for different reasons in the nmi-watchdog handling code too. I think I'll pretend I didn't see that. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
