** Description changed: - Running stress-ng on a HP ProLiant m400 server can cause unhandled level - 3 translations faults: + + [Impact] + irqbalance can be crashed(got signal of segment fault) on trusty, utopic, vivid and wily. + + [Test Case] + stress-ng --seq 0 -t 60 --syslog --metrics --times -v + + [Regression Potential] + The proposed patch has been merged irqbalance upstream 1.0.7, so there shouldn't be potential regression. + + https://github.com/Irqbalance/irqbalance/commit/a3c812eb6cd627cd3fae45b8345538558b86973c + + + [Other Info] + + See following about the segmentation fault log. + + + + + Running stress-ng on a HP ProLiant m400 server can cause unhandled level 3 translations faults: use stress-ng from git://kernel.ubuntu.com/cking/stress-ng ./stress-ng --seq 0 -t 60 -v and after some time this trips the following: Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922560] systemd-timesyn[481]: unhandled level 3 translation fault (7) at 0x7fa8ea6008, esr 0x92000007 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922561] pgd = ffffffcfb563f000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922563] [7fa8ea6008] *pgd=0000004fb4f28003, *pud=0000004fb4f28003, *pmd=0000004fb4f38003, *pte=000000001d151c00 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922566] Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922569] CPU: 6 PID: 481 Comm: systemd-timesyn Not tainted 3.19.0-21-generic #21-Ubuntu Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922571] Hardware name: HP ProLiant m400 Server Cartridge (DT) Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922573] task: ffffffcfb4e3b100 ti: ffffffcfb4d2c000 task.ti: ffffffcfb4d2c000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922588] PC is at 0x7fa8d81824 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922589] LR is at 0x7fa8e3b3e4 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922590] pc : [<0000007fa8d81824>] lr : [<0000007fa8e3b3e4>] pstate: 80000000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922591] sp : 0000007ff120d660 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922592] x29: 0000007ff120d660 x28: 0000007fa8f1c000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922594] x27: 0000007fa8f32084 x26: 0000007fa8f32000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922595] x25: 0000007fa8f1d788 x24: 0000007fa8f1d888 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922597] x23: 0000000000000001 x22: 0000007fa8f1faa0 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922599] x21: 0000007ff120d7f0 x20: 0000007ff120d7d0 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922600] x19: 0000007fa8f31000 x18: 0000007fa8f1e000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922602] x17: 0000007fa8e3b3b8 x16: 0000007fa8ea6000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922603] x15: 003b9aca00000000 x14: 00219bbdd0000000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922605] x13: ffffffffaa751223 x12: 0000000000000000 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922607] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922609] x9 : 37333c43484f5e46 x8 : 0000007ff120d818 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922610] x7 : 0000007ff120d8f0 x6 : 0000007ff120d828 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922612] x5 : ffffff80ffffffd0 x4 : 0000007ff120d8c0 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922613] x3 : 0000007ff120d7d0 x2 : 0000007fa8f1faa0 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922615] x1 : 0000000000000001 x0 : 0000000000000064 Jun 26 14:01:54 ms10-34-proliant kernel: [150297.922616]
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1469214 Title: HP ProLiant m400 Server crashes with unhandled level 3 translation fault To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/irqbalance/+bug/1469214/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
