Hey, [...]
>> Apparently it happens when the session is not ended properly >> (disconnections, etc) >> I could reproduce the problem as follow: >> * ssh to the server as normal user >> * sudo su - >> * vserver XX enter >> * now from another term, kill -9 on either of the two su processes ("su >> -" >> or "-su") >> At that point the session in the vserver ends but vcontext is still >> hooked >> to the >> current terminal so cpu is fine. >> * now quit the current terminal >> At that point vcontext is not hooked to any terminal (vps ax => "?" on >> the >> tty column) >> and using top you see it's running 100% cpu, ~ 80% system and 20% user. > > I'll look in to it.I am unable to reproduce that here. The vlogin process does stick around, which it probably shouldn't, but its resource usage is the same as it's always been.
I can reproduce it on debian sid with 2.6.20.1-vs2.3.0.11 kernel. ps auxf USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 2716 82.5 0.0 116 40 ? R 15:17 7:04 login root 2774 0.0 0.3 5072 1660 pts/6 Ss+ 15:17 0:00 \_ /bin/bash -login I straced login process, strace shows: Process 2716 attached - interrupt to quit select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) read(0, "\r", 64) = 1 write(3, "\r", 1) = 1 select(4, [0 3], NULL, NULL, NULL) = 1 (in [3]) read(3, "\r\n", 64) = 2 write(1, "\r\n", 2) = 2 select(4, [0 3], NULL, NULL, NULL) = 1 (in [3]) read(3, "\33[1m/ \33[37;0m(\33[32;1m1525\33[37;0m"..., 64) = 47 write(1, "\33[1m/ \33[37;0m(\33[32;1m1525\33[37;0m"..., 47) = 47 Here session ended: select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) read(0, "", 64) = 0 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) read(0, "", 64) = 0 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) read(0, "", 64) = 0 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) read(0, "", 64) = 0 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) read(0, "", 64) = 0 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) read(0, "", 64) = 0 select(4, [0 3], NULL, NULL, NULL) = 1 (in [0]) Jarek Dylag _______________________________________________ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
