On Sun, 2014-02-16 at 10:56 -0500, Paul Gortmaker wrote: > On Fri, Feb 14, 2014 at 3:42 PM, John Donnelly <joh...@servergy.com> wrote: > > Hi, > > > > I tried using the SysRq hotkey sequence on a serial console - > > 3.11.0-5-powerpc-e500mc system, by issuing a " break " and the system > > immediately wedges after displaying "SysRQ : HELP : " using both "Putty" and > > "Teraterm" terminal emulators. I know the system is dead because my ssh > > sessions stopped too. > > Yes it does work -- or at least it _did_ work. Make sure your dts has an > entry > > compatible = "fsl,ns16550", "ns16550"; > > since that enables a workaround I'd added for a hardware errata relating > to sending breaks over the serial console. What you describe above > makes me think you aren't getting the workaround enabled.
Also make sure CONFIG_SERIAL_8250_FSL is enabled. -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev