Hi, > As far as I can tell, the bug smells like a race condition of some sort > and if my wild guess is correct, it will be difficult to reproduce > consistently. With some (but not all) race conditions, you can increase > the chance of triggering them by increasing loads. Since I want the race > condition to occur, what is the best way stress to the systems while > also doing make build? well, I have three alphas in the basement where I am trying to figure this one out, nothing provable yet but everything is pointing into some hardware problem with the low-end alpha cpus and second-level cache. llsc errors, stuck cachelines and stuff but I didn't dive deep enough into the code and processor documentations to figure out what's going on there and will not be in the next weeks/months since I have a few more pressing issues to take care of first before having the spare time for this ;)
only thing I can tell is that with netbsd the machines stay up for weeks/months and with obsd they crash latest after a few days. no flame, doesn't show that netbsd is better, probably just missing the tripwire or doesn't care wether it blows. good luck, siggi.
