Hi, > On Monday 16 April 2007 12:06, Maurice Janssen wrote: >> On Monday, April 16, 2007 at 11:30:29 -0700, Bryan Vyhmeister wrote: >> >On Apr 16, 2007, at 10:39 AM, J.C. Roberts wrote: >> >>I've never seen the "alpha bug" on my DS20L (equivalent to the >> >>CS20) or >> >>my 500/500 but I have seen it on my PC* boxes. Other people have >> >> had the exact opposite experience. The only time I've hit the bug >> >> was during system builds and in contrast, others have reported >> >> hitting the bug at other times during normal operation. -- The >> >> trouble is, when you have a strange "mystery bug" floating out >> >> there, it may or may not be correctly blamed for any and all >> >> problems. >> > >> >Thank you for the followup. I guess I will just try and see what >> >happens. I should dig out my PC164 whatever box and see if it >> >exhibits the issue. >> >> FWIW: the bug seems to occur at my 3000/300X, but only during heavy >> load like 'make build'. I never finished such a build, but I only >> tried a few times. >> >> Maurice > > I just thought of something which might be worth a try on systems that > show the bug during system builds; use nice(1) to lower the build > priority. It's a long shot, and I haven't tried it, but it *might* be a > useful work around. Then again, it might be a waste of time. >
oh mann, crap it. I have 2 3000-300LX and one 3000-300X. I had the LXs crashing on me, the X never crashed. swapped the CPU-Boards and I had the other machine crashing. okay, so the 300X modules crash, just mine doesn't or takes a _long_ time to do so. let's see what the upcoming patch does. do you also get funny LLSC memory error messages when you run the builtin tests ? I had the impression the stuff was related but couldn't find one with intimate enough knowledge of the hardware to dig it and the cpu-manuals one can download are rather useless in this context. apart from the fact that those errors should not show up in a single cpu-system. you have to run the test a few times to get them, they only show up sometimes. kind of explains why it's rare in DS20s, with multiple CPUs LLSC error make the machine useless on single CPUs they shouldn't be there but don't kill it since there is only one cache. however, right now they are all off. as soon as something to test comes up I will power them up again and test. -sm
