> > I'm on serial console: > > [ 129.237799] f005de3c: ttyS0 at MMIO 0x1fff8902000 (irq = 2) is a zs (ESCC) > > [ 129.237925] Console: ttyS0 (SunZilog zs0) > > [ 129.238289] console [ttyS0] enabled > > > > Strange that this time (fresh todays git kernel with no changes) I can > > use BREAK successfully - and I only need to send it once from minicom > > (^A F). > > Strange... I have to send two breaks on hypervisor sun4v consoles. > > Because the way you send Alt-SYSRQ keycodes on serial consoles > is BREAK+sysrq_code, and that's why two breaks are necessary to > indicate a real break into the OBP prompt. > > I suspect it doesn't work for you in that other case because it's > at a point before the serial driver has even registered yet. I think it was registered... Just tried with fully booted up system (E3500, console on zs serial) and single BREAK was enough to drop to prom ok prompt. -- Meelis Roos (mroos@xxxxxxxx) -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html