------- Comment (attachment only) From lakun...@in.ibm.com 2016-03-03 05:40 EDT-------
** Attachment added: "qemu- abag3.logs for build 55" https://bugs.launchpad.net/bugs/1543480/+attachment/4684664/+files/abag3.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1543480 Title: ISST-KVM:Ubuntu1510:abakvm: abag3 guest hung while running stress test. Status in linux package in Ubuntu: New Bug description: == Comment: #0 == Issue ==== The Ubuntu1510 guest abag3 was running with stress test IO Base and TCP. After 40 hrs it hung , unable to perform ssh and unable to access its console but able to ping the guest. Xmon was enable for guest but it didn't drop there. [root@abakvm ~]# virsh list --all Id Name State ---------------------------------------------------- 11 abag6 running 23 abag5 running 25 abag1 running 27 abag2 running 29 abag3 running 30 abag4 running Logs === [127112.624493] NIP [c0000000005183d8] __blk_mq_run_hw_queue+0x98/0x4c0 [127112.624953] LR [c0000000000d9320] process_one_work+0x1e0/0x560 [127112.625343] Call Trace: [127112.625505] [c000000179adbb50] [c000000001578190] cur_cpu_spec+0x0/0x8 (unreliable) [127112.626079] [c000000179adbc50] [c0000000000d9320] process_one_work+0x1e0/0x560 [127112.627154] [c000000179adbce0] [c0000000000d9830] worker_thread+0x190/0x660 [127112.627620] [c000000179adbd80] [c0000000000e2280] kthread+0x110/0x130 [127112.628084] [c000000179adbe30] [c000000000009538] ret_from_kernel_thread+0x5c/0xa4 [127112.628743] Instruction dump: [127112.629080] 391e0188 eb1e0298 fb810088 fac10078 a12d0008 792ad182 792906a0 794a1f24 [127112.630112] 7d48502a 7d494c36 792907e0 69290001 <0b090000> e93e0080 792a07e1 408202c8 [127112.631318] ---[ end trace de34117cdb302980 ]--- XML of abag3 ======== [root@abakvm ~]# virsh dumpxml abag3 <domain type='kvm' id='29'> <name>abag3</name> <uuid>4d73aa99-64f3-4d1d-af02-995abb29cfc5</uuid> <memory unit='KiB'>6291456</memory> <currentMemory unit='KiB'>6291456</currentMemory> <memoryBacking> <hugepages/> </memoryBacking> <vcpu placement='static'>48</vcpu> <cputune> <shares>4096</shares> </cputune> <resource> <partition>/machine</partition> </resource> <os> <type arch='ppc64' machine='pseries-2.4'>hvm</type> <boot dev='hd'/> <boot dev='network'/> <bootmenu enable='yes'/> </os> <features> <acpi/> <apic/> </features> <cpu mode='host-model'> <model fallback='allow'>power8</model> <topology sockets='4' cores='3' threads='8'/> </cpu> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>coredump-restart</on_crash> <devices> <emulator>/usr/bin/qemu-system-ppc64</emulator> <disk type='block' device='disk'> <driver name='qemu' type='raw'/> <source dev='/dev/disk/by-id/dm-uuid-part3-mpath-1IBM_IPR-0_5EC08100000006A0'/> <backingStore/> <target dev='vda' bus='virtio'/> <alias name='virtio-disk0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </disk> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/var/lib/libvirt/images/abag3_io1'/> <backingStore/> <target dev='vdb' bus='virtio'/> <alias name='virtio-disk1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> </disk> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/var/lib/libvirt/images/abag3_io2'/> <backingStore/> <target dev='vdc' bus='virtio'/> <alias name='virtio-disk2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> </disk> <controller type='usb' index='0'> <alias name='usb'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </controller> <controller type='pci' index='0' model='pci-root'> <alias name='pci.0'/> </controller> <interface type='bridge'> <mac address='52:54:00:c3:a0:b0'/> <source bridge='brenP1p5s0f1'/> <target dev='vnet2'/> <model type='virtio'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/> </interface> <serial type='pty'> <source path='/dev/pts/10'/> <target type='isa-serial' port='0'/> <alias name='serial0'/> <address type='spapr-vio' reg='0x30000000'/> </serial> <console type='pty' tty='/dev/pts/10'> <source path='/dev/pts/10'/> <target type='serial' port='0'/> <alias name='serial0'/> <address type='spapr-vio' reg='0x30000000'/> </console> <memballoon model='virtio'> <alias name='balloon0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </memballoon> </devices> <seclabel type='none' model='selinux'/> </domain> SYSTEM INFORMATION --------------------------------- HOST KVM BUILD LEVEL: GA3 SP1 build 51 OPAL - FW840.10 - F4_1606A To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1543480/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp