[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
Zesty has reached end of life as of Jan 13 2018, please re-test with Artful and reopen this bug if you are able to reproduce it. ** Changed in: linux (Ubuntu Zesty) Status: In Progress => Won't Fix -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Won't Fix Status in linux package in Ubuntu: Won't Fix Status in linux source package in Zesty: Won't Fix Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 pro
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
It appears these patches should be available in 4.13 or later versions of the kernel. Please retest with Artful and re-open this bug if you are able to reproduce this issue. ** Changed in: linux (Ubuntu) Status: In Progress => Won't Fix ** Changed in: ubuntu-power-systems Status: Incomplete => Won't Fix -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Won't Fix Status in linux package in Ubuntu: Won't Fix Status in linux source package in Zesty: Won't Fix Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
IBM, could you please provide test results for the kernel mentioned in comment #9 ? -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Incomplete Status in linux package in Ubuntu: In Progress Status in linux source package in Zesty: In Progress Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c000
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Tags removed: triage-r ** Tags added: triage-g -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Incomplete Status in linux package in Ubuntu: In Progress Status in linux source package in Zesty: In Progress Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c0
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Changed in: ubuntu-power-systems Status: Triaged => Incomplete -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Incomplete Status in linux package in Ubuntu: In Progress Status in linux source package in Zesty: In Progress Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kt
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
I built a Zesty test kernel with the requested two commits, 03e262798884b0a5f948b17433afd80606cb3497 and f759741d9d913eb57784a94b9bca78b376fc26a9. The also required a prereq commit to built properly: b1d2dc5659b41741f5a29b2ade76ffb4e5bb13d8. The test kernel can be downloaded from: http://kernel.ubuntu.com/~jsalisbury/lp1702998/ Can you test this kernel and see if it resolves this bug? -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Triaged Status in linux package in Ubuntu: In Progress Status in linux source package in Zesty: In Progress Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
I'll build a test kernel and post a link to it shortly. -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Triaged Status in linux package in Ubuntu: In Progress Status in linux source package in Zesty: In Progress Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Also affects: linux (Ubuntu Zesty) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Zesty) Status: New => In Progress ** Changed in: linux (Ubuntu Zesty) Importance: Undecided => High ** Changed in: linux (Ubuntu Zesty) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) ** Changed in: linux (Ubuntu) Assignee: Canonical Kernel Team (canonical-kernel-team) => Joseph Salisbury (jsalisbury) ** Changed in: linux (Ubuntu) Status: Triaged => In Progress -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Triaged Status in linux package in Ubuntu: In Progress Status in linux source package in Zesty: In Progress Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:m
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Changed in: linux (Ubuntu) Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) => Canonical Kernel Team (canonical-kernel-team) -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Triaged Status in linux package in Ubuntu: Triaged Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Tags removed: triage-g ** Tags added: triage-r -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Triaged Status in linux package in Ubuntu: Triaged Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Tags added: triage-g -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Triaged Status in linux package in Ubuntu: Triaged Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c00
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Changed in: ubuntu-power-systems Status: New => Triaged ** Changed in: ubuntu-power-systems Importance: Undecided => High -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: Triaged Status in linux package in Ubuntu: Triaged Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 k
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
Is there a way to reproduce this bug, or was it a one time event? Is there a know patch available for this bug? ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu) Status: New => Triaged -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: New Status in linux package in Ubuntu: Triaged Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Tags added: kernel-da-key -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: New Status in linux package in Ubuntu: New Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c0
[Kernel-packages] [Bug 1702998] Re: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590
** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team) -- 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/1702998 Title: Ubuntu 17.04: Guest crashed @writeback_sb_inodes+0x310/0x590 Status in The Ubuntu-power-systems project: New Status in linux package in Ubuntu: New Bug description: == Comment: #0 - Lata Kuntal - 2017-03-03 00:50:54 == Ubuntu 17.04 guest dropped at xmon after crashing at writeback_sb_inodes+0x310/0x590. The guest is having XFS rootfs and NPIV disk. It crashed after 30+ hrs of BASE and NFS stress test . Crash logs === root@guskvm:~# virsh console gusg1 --force Connected to domain gusg1 Escape character is ^] 0:mon> 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_thread+0xa8/0x650 [c000a4bc7dc0] c00f67b4 kthread+0x154/0x1a0 [c000a4bc7e30] c000b4e8 ret_from_kernel_thread+0x5c/0x74 0:mon> r R00 = c036f790 R16 = c000eca70300 R01 = c000a4bc78e0 R17 = c000f7035240 R02 = c143c900 R18 = R03 = c000f7035150 R19 = R04 = 0019 R20 = c000a4bc4000 R05 = 0100 R21 = ff7f R06 = R22 = c433d758 R07 = R23 = c433d738 R08 = 00034995 R24 = R09 = R25 = R10 = 8000 R26 = c000f70351d8 R11 = c000a4bc7a40 R27 = R12 = 2200 R28 = 0001 R13 = cfb8 R29 = c433d728 R14 = R30 = c000f7035150 R15 = c000f70351d8 R31 = pc = c036c120 locked_inode_to_wb_and_lock_list+0x50/0x290 cfar= c00b2a14 kvmppc_save_tm+0x168/0x16c lr = c036f790 writeback_sb_inodes+0x310/0x590 msr = 80009033 cr = 24002482 ctr = c0381e30 xer = trap = 300 dar = dsisr = 4000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> d || 0:mon> Host and guest kernel build = 4.10.0-8-generic OPAL firmware version T side: FW860.20 (SV860_078) Boot side : FW860.20 (SV860_078) == Comment: #4 - VIPIN K. PARASHAR - 2017-03-03 02:55:20 == [140071.761707] Adding 153536k swap on /dev/loop0. Priority:-2 extents:1 across:153536k FS [140072.153143] Adding 153472k swap on /dev/loop0. Priority:-2 extents:1 across:153472k FS [140072.441833] Unable to handle kernel paging request for data at address 0x [140072.442064] Faulting instruction address: 0xc036c120 0:mon> 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c000a4bc7660] pc: c036c120: locked_inode_to_wb_and_lock_list+0x50/0x290 lr: c036f790: writeback_sb_inodes+0x310/0x590 sp: c000a4bc78e0 msr: 80009033 dar: 0 dsisr: 4000 current = 0xc000fbe96000 paca= 0xcfb8 softe: 0irq_happened: 0x01 pid = 17305, comm = kworker/u16:0 Linux version 4.10.0-8-generic (buildd@bos01-ppc64el-001) (gcc version 6.3.0 20161229 (Ubuntu 6.3.0-2ubuntu1) ) #10-Ubuntu SMP Mon Feb 13 14:00:06 UTC 2017 (Ubuntu 4.10.0-8.10-generic 4.10.0-rc8) 0:mon> t [c000a4bc7940] c036f790 writeback_sb_inodes+0x310/0x590 [c000a4bc7a50] c036faf4 __writeback_inodes_wb+0xe4/0x150 [c000a4bc7ab0] c036ff1c wb_writeback+0x2cc/0x440 [c000a4bc7b80] c0370c30 wb_workfn+0x150/0x560 [c000a4bc7c90] c00ed8c0 process_one_work+0x2b0/0x5a0 [c000a4bc7d20] c00edc58 worker_threa