On Aug 7 Corinna Vinschen wrote: >On Aug 6 19:31, Andrey Khalyavin wrote: >> 2012/8/6 Corinna Vinschen wrote: >> > Andrey? >> > >> > On Jul 24 15:57, Corinna Vinschen wrote: >> >> On Jul 24 17:25, Andrey Khalyavin wrote: >> >> > Hi, we have build bots that crash randomly on Windows XP and rarely on >> >> > Windows 7. >> >> > [...] >> >> > 5. Task switching happens and first process proceeds to execute >> >> > GetVersionEx with >> >> > version cleared by memset and so not having its size set. >> >> > 6. GetVersionEx returns error and first process fails to start. >> >> > >> >> > If there is no easy way to add synchronization to wincapc::init, I >> >> > suggest to make >> >> > wincap a regular (not shared) variable. >> >> >> >> There's another way, afaics. The idea here was that wincap is only >> >> ever set once, and even *if* the information is written twice, the >> >> content will be identical. >> >> >> >> So, afaics, the above problem is a result of using memset at all. At >> >> startup, wincap is all 0 anyway, so the memset is not required and >> >> apparently it even hurts. Weird that nobody saw this problem before. >> >> >> >> I applied a patch which should fix this problem. Please give the >> >> next developer snapshot from http://cygwin.com/snapshots/ a try, >> >> or build yourself from CVS. >> > >> > Ping? Any feedback? Did you ever try a snapshot? >> >> I updated our cygwin with core libraries from 20120725 snapshot. There >> are still crashes in our build, I'm investigating them. Haven't got a >> crash dump yet. This time I have to catch them on the bots instead of >> local computer. > >Please use the *latest* snapshot from CVS, 20120803. There were other >potential reasons for crashes which only have been (tried to) fix in >the latest snapshot.
Thank you. I will update cygwin before I do a new step in investigating our build issues (need to implement some way to get crash dumps on bots). Andrey Khalyavin. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
