One problem with that type of hdd hang is that switching vt can require disk access so it can be impossible to get the log data. Having a window open for viewing the syslog via /dev/xconsole or logging to another system can be helpful.
On 18 May 2014 4:17:29 PM AEST, [email protected] wrote: >Dave Hellewell <[email protected]> said, > >>> Power supply is next easiest thing to test if you can find a spare. >>> Do the input voltages seem okay? Even if they do it's possible it >>> could still be the power supply. > >>My sensors output is pretty wacky (haven't gotten around to a proper >>config), but the BIOS reports numbers that look OK. I have another PSU > >>here and I'll give that a spin as a last resort before submitting to >the >>shop. > >Neither the bios or any software voltage monitoring are any good in >diagnosing PSU problems as neither reads voltage continiously. For the >same >reason most digital voltmeters are no good. >What can happen (I have had it twice) is the PSU voltages can spike >down >very quickly and cause the system untold problems. Such a spike will >NOT be >picked up by most voltmeters. I have successfully used analog meters to > >check this though (An AVO). >All voltages need to be checked including the 12 Volt line. In both my >cases the system lockups were caused by the 12V line droping low (11.2 >volts) for only around half a second, causing the hardisks to shutdown. > >This caused an unrecoverable error from the kernel. > >The symptoms in my case was an almost complete hardlock up but with the > >mouse pointer still working. > >Lindsay >_______________________________________________ >luv-main mailing list >[email protected] >http://lists.luv.asn.au/listinfo/luv-main -- Sent from my Samsung Galaxy Note 2 with K-9 Mail. _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
