Am Samstag, den 31.10.2015, 16:21 +0100 schrieb Richard Weinberger: > Am 31.10.2015 um 16:16 schrieb Thomas Meyer: > > mhh. strange. I didn't see this behaviour on my machine, but my > > machine > > is a rare single core system so, likely a race condition while > > relaying > > the timer interrupt to the userspace process. > > Here I can trigger it by starting UML, logging in and waiting ~5min. > Then i try to run "top" --> top hangs forever. > > > But I'm out of ideas how this could happen! > > Maybe some stupid timeslice over/underflow. > > > what happens when you send the hanging process a SIGVTALRM signal? > > does > > it proceed correctly? > > You mean sending SIGVTALRM to the UML host process?
No, to the hanging userspace process, maybe the uml host process did receive a timer interrupt, but failed to relay this signal to the correct userspace process. > It runs normally, I can also login on other ttys. > > Thanks, > //richard ------------------------------------------------------------------------------ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel