On Thu, Aug 11, 2011 at 9:56 AM, Andrew Z <[email protected]> wrote: > > On Wed, Jun 22, 2011 at 12:37 PM, Todd And Margo Chester < > [email protected]> wrote: > >> On 06/21/2011 05:59 AM, Andrew Z wrote: >> >>> your thought about rising cpu temp is an interesting one. Ill start >>> monitoring it . >>> >> >> If you decide to "Blow Out" the dust from your CPU fan/heatsink, >> a typical cause of loud CPU fans, remember to hold the fan >> and not let it spin freely. This will protect your fan's pwm circuitry >> when your fan switches from motor mode to generator mode. >> (Don't ask how I know that one.) >> >> Also, I use a front panel (fits in a CD-ROM slot), powered USB >> hub from SIIG. Saves me a lot of heart ache when things draw >> too much power. But, be careful, the ground of the powered >> hub must be hard grounded to your case, not just the power >> supply's ground. It you are not hard grounded to the case, Linux >> will reboot if you have a static charge on your hand and you >> insert your stick into the hub. (Okay, I "may" have rebooted a >> production level server three times before I figured that one out.). >> >> -T >> > > Update: > Good news and bad news - i recompiled current kernel and marked the USB as > modules. In my earlier (separate) post i was cautiously excited that the > damn thing is not hanging anymore. Oh well, last night "it did it again" > twice within 15 minutes. > this time i got different errors then those i posted (here) earlier. I > don't have the exact err message "handy", but i was "familiar" with it from > my Centos5.5 times. IT was -110 and 64 - usb died and cant' recover, dead > read blah blah. Google suggested to add "irqpoll" to grub. That didn't help > at all. > > to T&M > Unfortunately i can't confirm your theory as for rising temperature - it > fluctuates around 40 - to 55C and doesn't seem to be corresponded to usb > madness.. > > Next steps : > well, i'll try to play with acpi and irgpoll parameters and see if i can > get it working this way.... > > //Mood: Frustrated >
Saga continues.. Now the intervals between lockups increased from 15 minutes to hours/days. Last night i tried to rmmod usb* modules and to my amusement i could not. rmmod -f caused nothing, but hanging of the session with no info in logs... "Wonderful" i can't even remove the dam module....
