------- Comment From nasas...@in.ibm.com 2016-09-28 00:58 EDT------- (In reply to comment #7) > Could you try upgrading to the newer 4.8.0-17.19 kernel that was promoted to > the release pocket last night: > > https://launchpad.net/ubuntu/+source/linux/4.8.0-17.19 >
Tested with latest kernel i.e. 4.8.0-17.19, not seeing OOPs or any other error messages. root@pkvmhab010:~# update-initramfs -u update-initramfs: Generating /boot/initrd.img-4.8.0-17-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast root@pkvmhab010:~# apt install -y btrfs-progs/yakkety Reading package lists... Done Building dependency tree Reading state information... Done Selected version '4.7-1' (Ubuntu:16.10/yakkety [ppc64el]) for 'btrfs-progs' The following NEW packages will be installed: btrfs-progs 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/562 kB of archives. After this operation, 5,656 kB of additional disk space will be used. Selecting previously unselected package btrfs-progs. (Reading database ... 130815 files and directories currently installed.) Preparing to unpack .../btrfs-progs_4.7-1_ppc64el.deb ... Unpacking btrfs-progs (4.7-1) ... Processing triggers for initramfs-tools (0.125ubuntu3) ... update-initramfs: Generating /boot/initrd.img-4.8.0-17-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast Processing triggers for libc-bin (2.24-0ubuntu1) ... Setting up btrfs-progs (4.7-1) ... Processing triggers for man-db (2.7.5-1) ... Processing triggers for initramfs-tools (0.125ubuntu3) ... update-initramfs: Generating /boot/initrd.img-4.8.0-17-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast Processing triggers for libc-bin (2.24-0ubuntu1) ... -- 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/1627984 Title: [Ubuntu16.10]KV4.8: OOPs while updating initramfs Status in linux package in Ubuntu: Triaged Bug description: == Comment: #0 - NAGESWARA R. SASTRY <nasas...@in.ibm.com> - 2016-09-22 06:40:59 == ---Problem Description--- Try installing btrfs-progs using 'apt install -y btrfs-progs' At the time of updating initramfs seeing a 'segfault' and kernel OOPs Contact Information = nasas...@in.ibm.com ---uname output--- Linux pkvmhab010 4.8.0-11-generic #12-Ubuntu SMP Sat Sep 17 19:58:16 UTC 2016 ppc64le ppc64le ppc64le GNU/Linux Machine Type = 8348-21C ---Debugger--- A debugger is not configured ---Steps to Reproduce--- # apt install -y btrfs-progs/yakkety Reading package lists... Done Building dependency tree Reading state information... Done Selected version '4.7-1' (Ubuntu:16.10/yakkety [ppc64el]) for 'btrfs-progs' The following package was automatically installed and is no longer required: libprotobuf-lite9v5 Use 'apt autoremove' to remove it. The following additional packages will be installed: liblzo2-2 The following NEW packages will be installed: btrfs-progs liblzo2-2 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 629 kB of archives. After this operation, 5,987 kB of additional disk space will be used. Get:1 http://us.ports.ubuntu.com/ubuntu-ports yakkety/main ppc64el liblzo2-2 ppc64el 2.08-1.2 [67.2 kB] Get:2 http://us.ports.ubuntu.com/ubuntu-ports yakkety/main ppc64el btrfs-progs ppc64el 4.7-1 [562 kB] Fetched 629 kB in 0s (2,416 kB/s) Selecting previously unselected package liblzo2-2:ppc64el. (Reading database ... 129624 files and directories currently installed.) Preparing to unpack .../0-liblzo2-2_2.08-1.2_ppc64el.deb ... Unpacking liblzo2-2:ppc64el (2.08-1.2) ... Selecting previously unselected package btrfs-progs. Preparing to unpack .../1-btrfs-progs_4.7-1_ppc64el.deb ... Unpacking btrfs-progs (4.7-1) ... Processing triggers for initramfs-tools (0.125ubuntu3) ... update-initramfs: Generating /boot/initrd.img-4.8.0-11-generic Segmentation fault Oops output: [ 643.673740] Unable to handle kernel paging request for data at address 0x00000020 [ 643.674688] Faulting instruction address: 0xc000000000185040 [ 643.675418] Oops: Kernel access of bad area, sig: 11 [#1] [ 643.676115] SMP NR_CPUS=2048 NUMA PowerNV [ 643.676650] Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp tun bridge stp llc kvm_hv kvm_pr kvm ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter evdev joydev at24 ghash_generic gf128mul vmx_crypto nvmem_core sg powernv_rng rng_core ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto mbcache dm_mod sr_mod cdrom ses enclosure scsi_transport_sas sd_mod hid_generic usbhid hid uas usb_storage xhci_pci bnx2x ast xhci_hcd i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt usbcore fb_sys_fops drm tg3 aacraid ptp libphy pps_core ahci mdio usb_common libcrc32c libahci crc32c_generic crc32c_vpmsum [ 643.686164] CPU: 1 PID: 7267 Comm: grep Not tainted 4.8.0-11-generic #12-Ubuntu [ 643.687101] task: c000003c7edfd200 task.stack: c000003c82b08000 [ 643.687878] NIP: c000000000185040 LR: c000000000185054 CTR: c0000000004fd390 [ 643.688873] REGS: c000003c82b0b940 TRAP: 0300 Not tainted (4.8.0-11-generic) [ 643.689851] MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 88044828 XER: 20000000 [ 643.691001] CFAR: c0000000000087d0 DAR: 0000000000000020 DSISR: 40000000 SOFTE: 1 GPR00: c000000000185054 c000003c82b0bbc0 c000000000f46700 0000000000000710 GPR04: 0000000000010000 0000000000000001 ffff0a00ffffff04 d00000001d520723 GPR08: c0000000004f6700 0000000000000704 c0000000004fd164 0000000000000001 GPR12: 0000000028044828 c00000000fb80900 00000000289a0010 000000000000000a GPR16: ffffffffffffffff 0000000000000000 00000000289a0110 0000000000000000 GPR20: 000001003d980000 0000000000010000 c000003c7bf63240 c000000002e8bb00 GPR24: fffffffffffff000 c000003c82b0be00 c000003c82b0bc88 c0000000009a0d50 GPR28: d00000001d432308 d00000001d432610 c000003c7bf63200 0000000000000000 [ 643.699385] NIP [c000000000185040] m_show+0xb0/0x260 [ 643.703211] LR [c000000000185054] m_show+0xc4/0x260 [ 643.721108] Call Trace: [ 643.730239] [c000003c82b0bbc0] [c000000000185054] m_show+0xc4/0x260 (unreliable) [ 643.756587] [c000003c82b0bc60] [c00000000034521c] seq_read+0x43c/0x550 [ 643.787204] [c000003c82b0bd00] [c0000000003a9ba0] proc_reg_read+0xb0/0x110 [ 643.804558] [c000003c82b0bd50] [c00000000030c03c] __vfs_read+0x6c/0xe0 [ 643.823169] [c000003c82b0bd90] [c00000000030d5bc] vfs_read+0xbc/0x1b0 [ 643.858380] [c000003c82b0bde0] [c00000000030f38c] SyS_read+0x6c/0x110 [ 643.893880] [c000003c82b0be30] [c0000000000095e0] system_call+0x38/0x108 [ 643.916214] Instruction dump: [ 643.936521] 3884a648 7fc3f378 481c0961 60000000 ebfd0309 7fbdf840 419e0164 3f62ffa6 [ 643.988350] 3b7ba650 60000000 60000000 60420000 <e8bf0020> 7f64db78 7fc3f378 38a50018 [ 644.040907] ---[ end trace e452dce365a89415 ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1627984/+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
