(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Mon, 8 Jun 2009 19:42:33 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=13489 > > Summary: us2e_cpufreq does not work on Netra t1 200 > Product: Power Management > Version: 2.5 > Kernel Version: 2.6.29 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: cpufreq > AssignedTo: cpufreq@xxxxxxxxxxxxxxx > ReportedBy: seraph@xxxxxxxxx > Regression: No > > > My Netra t1 AC 200 has an UltraSPARC IIe processor. However, the us2e_cpufreq > driver does not work properly on it. > > Loading the us2e_cpufreq module sometimes crashes the entire system; the > console only spews endless binary garbage and the system is completely > unresponsive until powercycled. (The LOM unit still works, fortunately.) This > problem is intermittent, I can trigger it some of the time but not always. > > However, even if the module does load without crashing the system, any attempt > to change the governor from the default "performance" to "ondemand" immediately > causes a watchdog reset: > > seraphim ~ # modprobe us2e_cpufreq > seraphim ~ # cpufreq-info > cpufrequtils 005: cpufreq-info (C) Dominik Brodowski 2004-2006 > Report errors and bugs to cpufreq@xxxxxxxxxxxxxxx, please. > analyzing CPU 0: > driver: UltraSPARC-IIe > CPUs which need to switch frequency at the same time: 0 > hardware limits: 62.5 MHz - 500 MHz > available cpufreq governors: performance > current policy: frequency should be within 62.5 MHz and 500 MHz. > The governor "performance" may decide which speed to use > within this range. > current CPU frequency is 500 MHz (asserted by call to hardware). > > seraphim ~ # cpufreq-set -g ondemand > seraphim ~ # > Watchdog Reset > Externally Initiated Reset > ok -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
