On 12/5/07, Jon Smirl <[EMAIL PROTECTED]> wrote: > On 12/6/07, Jon Smirl <[EMAIL PROTECTED]> wrote: > > On 12/5/07, Grant Likely <[EMAIL PROTECTED]> wrote: > > > On 12/5/07, Jon Smirl <[EMAIL PROTECTED]> wrote: > > > > Why does the fec5200 driver sometimes not print 'PHY' correctly? > > > > > > > > phyCORE-MPC5200B-tiny login: TؤV� f0003000:10 - Link is Down > > > > T�Y: f0003000:10 - Link is Up - 100/Full > > > > T�Y: f0003000:10 - Link is Down > > > > PHY: f0003000:10 - Link is Up - 100/Full > > > > > > Weird; that line comes from drivers/net/phy/phy.c in > > > phy_print_status(), and it's just a a pr_info statement. I suppose it > > > might be a stack overrun, but I'd expect more severe symptoms if that > > > was the case. > > > > > > That *looks* like a serial stream corruption. Is that the output of > > > your serial port? Does dmesg show the same corruption? > > > > That's the serial port output. > > dmesg is ok. > > > > Nothing else I do can mess up the serial port. > > Maybe the KERN_INFO prefix is sending out control characters that mess > up the serial output?
More likely the Ethernet link state change is interfering with the serial line at the electrical level. Try tweaking the serial clock up or down a tiny bit, that might make it more stable. (I've had to do that on one of my boards here to get stable serial output). Cheers, g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. [EMAIL PROTECTED] (403) 399-0195 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
