On Tue, Jul 7, 2015 at 2:37 AM, Colin Ian King <1469...@bugs.launchpad.net> wrote: > captured irqbalance segfaulting: > > Program received signal SIGSEGV, Segmentation fault. > 0x0000000000408f8c in place_irq_in_node (info=0x2c3d0050, data=0x0) at > placement.c:145 > 145 if (irq_numa_node(info)->number != -1) { > (gdb) where > #0 0x0000000000408f8c in place_irq_in_node (info=0x2c3d0050, data=0x0) at > placement.c:145 > #1 0x0000000000405154 in for_each_irq (list=0x2c3df660, cb=0x408f4c > <place_irq_in_node>, data=0x0) > at classify.c:508 > #2 0x000000000040923c in calculate_placement () at placement.c:196 > #3 0x0000000000407800 in main (argc=2, argv=0x7fcd014928) at irqbalance.c:372 > > (gdb) print info > $1 = (struct irq_info *) 0x2c3d0050
Suppose info is one address in heap, then it is valid, and the segfault should be caused by invalid info->numa_node. Thanks > > -- > You received this bug notification because you are subscribed to linux > in Ubuntu. > https://bugs.launchpad.net/bugs/1469214 > > Title: > HP ProLiant m400 Server crashes with unhandled level 3 translation > fault > > Status in linux package in Ubuntu: > Triaged > > Bug description: > 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] > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1469214/+subscriptions -- 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/linux/+bug/1469214/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs