Re: [loongson-dev] Yeeloong lock-ups with cpufreq

2011-03-20 Thread wu zhangjin
On Mon, Mar 21, 2011 at 9:33 AM, wu zhangjin wrote: > On Mon, Mar 21, 2011 at 1:13 AM, Roman Mamedov wrote: >> On Sun, 20 Mar 2011 08:59:34 -0700 (PDT) >> Roman Mamedov wrote: >> >>> So I have now built my own 2.6.38 kernel with the MFGPT clocksource, >>> and it seems to be stable and not lockin

Re: [loongson-dev] Yeeloong lock-ups with cpufreq

2011-03-20 Thread wu zhangjin
On Mon, Mar 21, 2011 at 1:13 AM, Roman Mamedov wrote: > On Sun, 20 Mar 2011 08:59:34 -0700 (PDT) > Roman Mamedov wrote: > >> So I have now built my own 2.6.38 kernel with the MFGPT clocksource, >> and it seems to be stable and not locking up. MFGPT was blamed to slow >> down system clock by 12 se

Re: [loongson-dev] Yeeloong lock-ups with cpufreq

2011-03-20 Thread Roman Mamedov
On Sun, 20 Mar 2011 08:59:34 -0700 (PDT) Roman Mamedov wrote: > So I have now built my own 2.6.38 kernel with the MFGPT clocksource, > and it seems to be stable and not locking up. MFGPT was blamed to slow > down system clock by 12 seconds in an hour, but I currently do not > observe this (runnin

[loongson-dev] Yeeloong lock-ups with cpufreq

2011-03-20 Thread Roman Mamedov
Hello! Has anyone seen Yeeloong lock-up when using cpufreq on recent kernels? I tried kernels 2.6.37 and 2.6.38 from both anheng.com.cn and linux- libre, and on those kernels enabling cpufreq governors ondemand or conservative makes my Yeeloong lock up pretty quickly (in 5-10 minutes, though some