This bug was fixed in the package linux - 4.4.0-36.55 --------------- linux (4.4.0-36.55) xenial; urgency=low
[ Stefan Bader ] * Release Tracking Bug - LP: #1612305 * I2C touchpad does not work on AMD platform (LP: #1612006) - SAUCE: pinctrl/amd: Remove the default de-bounce time * CVE-2016-5696 - tcp: make challenge acks less predictable linux (4.4.0-35.54) xenial; urgency=low [ Stefan Bader ] * Release Tracking Bug - LP: #1611215 * [i915_bpo] Sync with v4.7 (LP: #1609742) - SAUCE: i915_bpo: Sync with v4.7 * s390/cio: fix reset of channel measurement block (LP: #1609415) - s390/cio: allow to reset channel measurement block * in Ubuntu16.10: Hit on Call traces and system goes down when transactional memory tests are running in 32TB Brazos system (LP: #1606786) - powerpc/tm: Avoid SLB faults in treclaim/trecheckpoint when RI=0 - powerpc/tm: Fix stack pointer corruption in __tm_recheckpoint() * Power Menu does not display after press the Power Button (LP: #1609204) - intel-vbtn: new driver for Intel Virtual Button - [config] enable CONFIG_INTEL_VBTN=m * OptiPlex 7450 AIO hangs when rebooting (LP: #1608762) - x86/reboot: Add Dell Optiplex 7450 AIO reboot quirk * virtualbox+usb 3.0 breaks boot, -28 kernel works (LP: #1604058) - SAUCE: xhci: Fix soft lockup in xhci_pci_probe path when XHCI_STATE_HALTED * linux-kernel: Freeing IRQ from IRQ context (LP: #1597908) - block: defer timeouts to a workqueue * Tunnel offload indications not stripped from encapsulated packets, causing performance overhead (LP: #1602755) - tunnels: Remove encapsulation offloads on decap. * lm-sensors is throwing "ERROR: Can't get value of subfeature temp1_input: I/O error" for be2net driver (LP: #1607387) - be2net: perform temperature query in adapter regardless of its interface state * Dell dock MAC Address pass through doesn't work in Ubuntu (LP: #1579984) - r8152: Add support for setting pass through MAC address on RTL8153-AD * vmxnet3 LRO IPv6 performance issues (stalling TCP) (LP: #1605494) - Driver: Vmxnet3: set CHECKSUM_UNNECESSARY for IPv6 packets * ISST-LTE:pVM:monklp5:Ubuntu16.04.1:system crashed at lpfc_sli4_scmd_to_wqidx_distr (LP: #1597974) - SAUCE: lpfc: fix oops in lpfc_sli4_scmd_to_wqidx_distr() from lpfc_send_taskmgmt() * Backport cxlflash shutdown patch to Xenial SRU (LP: #1605405) - SAUCE: cxlflash: Verify problem state area is mapped before notifying shutdown * Xenial update to v4.4.16 stable release (LP: #1607404) - mac80211: fix fast_tx header alignment - mac80211: mesh: flush mesh paths unconditionally - mac80211_hwsim: Add missing check for HWSIM_ATTR_SIGNAL - mac80211: Fix mesh estab_plinks counting in STA removal case - EDAC, sb_edac: Fix rank lookup on Broadwell - IB/cm: Fix a recently introduced locking bug - IB/mlx4: Properly initialize GRH TClass and FlowLabel in AHs - powerpc/pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET since POWER8NVL was added - powerpc/tm: Always reclaim in start_thread() for exec() class syscalls - usb: dwc2: fix regression on big-endian PowerPC/ARM systems - USB: EHCI: declare hostpc register as zero-length array - usb: common: otg-fsm: add license to usb-otg-fsm - mnt: fs_fully_visible test the proper mount for MNT_LOCKED - mnt: Account for MS_RDONLY in fs_fully_visible - mnt: If fs_fully_visible fails call put_filesystem. - of: fix autoloading due to broken modalias with no 'compatible' - of: irq: fix of_irq_get[_byname]() kernel-doc - locking/ww_mutex: Report recursive ww_mutex locking early - locking/qspinlock: Fix spin_unlock_wait() some more - locking/static_key: Fix concurrent static_key_slow_inc() - x86, build: copy ldlinux.c32 to image.iso - kprobes/x86: Clear TF bit in fault on single-stepping - x86/amd_nb: Fix boot crash on non-AMD systems - Revert "gpiolib: Split GPIO flags parsing and GPIO configuration" - uvc: Forward compat ioctls to their handlers directly - thermal: cpu_cooling: fix improper order during initialization - writeback: use higher precision calculation in domain_dirty_limits() - nfsd4/rpc: move backchannel create logic into rpc code - nfsd: Always lock state exclusively. - nfsd: Extend the mutex holding region around in nfsd4_process_open2() - posix_acl: Add set_posix_acl - nfsd: check permissions when setting ACLs - make nfs_atomic_open() call d_drop() on all ->open_context() errors. - NFS: Fix another OPEN_DOWNGRADE bug - ARM: imx6ul: Fix Micrel PHY mask - ARM: 8578/1: mm: ensure pmd_present only checks the valid bit - ARM: 8579/1: mm: Fix definition of pmd_mknotpresent - MIPS: KVM: Fix modular KVM under QEMU - mm: Export migrate_page_move_mapping and migrate_page_copy - UBIFS: Implement ->migratepage() - sched/fair: Fix cfs_rq avg tracking underflow - packet: Use symmetric hash for PACKET_FANOUT_HASH. - net_sched: fix mirrored packets checksum - cdc_ncm: workaround for EM7455 "silent" data interface - ipv6: Fix mem leak in rt6i_pcpu - ARCv2: Check for LL-SC livelock only if LLSC is enabled - ARCv2: LLSC: software backoff is NOT needed starting HS2.1c - kvm: Fix irq route entries exceeding KVM_MAX_IRQ_ROUTES - KVM: nVMX: VMX instructions: fix segment checks when L1 is in long mode. - HID: elo: kill not flush the work - HID: hiddev: validate num_values for HIDIOCGUSAGES, HIDIOCSUSAGES commands - tracing: Handle NULL formats in hold_module_trace_bprintk_format() - base: make module_create_drivers_dir race-free - iommu/arm-smmu: Wire up map_sg for arm-smmu-v3 - iommu/vt-d: Enable QI on all IOMMUs before setting root entry - iommu/amd: Fix unity mapping initialization race - drm/mgag200: Black screen fix for G200e rev 4 - ipmi: Remove smi_msg from waiting_rcv_msgs list before handle_one_recv_msg() - arm64: Rework valid_user_regs - vfs: add d_real_inode() helper - af_unix: fix hard linked sockets on overlay - btrfs: account for non-CoW'd blocks in btrfs_abort_transaction - drm/radeon: fix asic initialization for virtualized environments - drm/amdgpu/gfx7: fix broken condition check - ubi: Make recover_peb power cut aware - drm/amdkfd: unbind only existing processes - drm/amdkfd: destroy dbgmgr in notifier release - drm/dp/mst: Always clear proposed vcpi table for port. - drm/nouveau/disp/sor/gf119: both links use the same training register - drm/nouveau/gr/gf100-: update sm error decoding from gk20a nvgpu headers - drm/nouveau/fbcon: fix out-of-bounds memory accesses - drm/nouveau: fix for disabled fbdev emulation - drm/nouveau/disp/sor/gf119: select correct sor when poking training pattern - drm/i915/ilk: Don't disable SSC source if it's in use - drm/i915: Refresh cached DP port register value on resume - drm/i915: Update ifdeffery for mutex->owner - drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk frequency - drm: add missing drm_mode_set_crtcinfo call - drm: make drm_atomic_set_mode_prop_for_crtc() more reliable - drm: atmel-hlcdc: actually disable scaling when no scaling is required - drm/ttm: Make ttm_bo_mem_compat available - drm/vmwgfx: Add an option to change assumed FB bpp - drm/vmwgfx: Work around mode set failure in 2D VMs - drm/vmwgfx: Check pin count before attempting to move a buffer - drm/vmwgfx: Delay pinning fbdev framebuffer until after mode set - drm/vmwgfx: Fix error paths when mapping framebuffer - memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing - perf/x86: Fix undefined shift on 32-bit kernels - xen/balloon: Fix declared-but-not-defined warning - iio: Fix error handling in iio_trigger_attach_poll_func - iio:st_pressure: fix sampling gains (bring inline with ABI) - iio: light apds9960: Add the missing dev.parent - iio: proximity: as3935: correct IIO_CHAN_INFO_RAW output - iio: proximity: as3935: remove triggered buffer processing - iio: proximity: as3935: fix buffer stack trashing - iio: humidity: hdc100x: correct humidity integration time mask - iio: humidity: hdc100x: fix IIO_TEMP channel reporting - iio: hudmidity: hdc100x: fix incorrect shifting and scaling - staging: iio: accel: fix error check - iio: accel: kxsd9: fix the usage of spi_w8r8() - iio:ad7266: Fix broken regulator error handling - iio:ad7266: Fix support for optional regulators - iio:ad7266: Fix probe deferral for vref - tty/vt/keyboard: fix OOB access in do_compute_shiftstate() - hwmon: (dell-smm) Restrict fan control and serial number to CAP_SYS_ADMIN by default - hwmon: (dell-smm) Disallow fan_type() calls on broken machines - hwmon: (dell-smm) Cache fan_type() calls and change fan detection - ALSA: dummy: Fix a use-after-free at closing - ALSA: hda - Fix the headset mic jack detection on Dell machine - ALSA: hda / realtek - add two more Thinkpad IDs (5050,5053) for tpt460 fixup - ALSA: au88x0: Fix calculation in vortex_wtdma_bufshift() - ALSA: echoaudio: Fix memory allocation - ALSA: timer: Fix negative queue usage by racy accesses - ALSA: hda/realtek: Add Lenovo L460 to docking unit fixup - ALSA: hda - Add PCI ID for Kabylake-H - ALSA: hda - fix read before array start - ALSA: hda/realtek - add new pin definition in alc225 pin quirk table - ALSA: pcm: Free chmap at PCM free callback, too - ALSA: ctl: Stop notification after disconnection - ALSA: hda - fix use-after-free after module unload - ALSA: hda: add AMD Stoney PCI ID with proper driver caps - ARM: sunxi/dt: make the CHIP inherit from allwinner,sun5i-a13 - ARM: dts: armada-38x: fix MBUS_ID for crypto SRAM on Armada 385 Linksys - ARM: mvebu: fix HW I/O coherency related deadlocks - ovl: Copy up underlying inode's ->i_mode to overlay inode - ovl: verify upper dentry in ovl_remove_and_whiteout() - scsi: fix race between simultaneous decrements of ->host_failed - 53c700: fix BUG on untagged commands - Fix reconnect to not defer smb3 session reconnect long after socket reconnect - cifs: dynamic allocation of ntlmssp blob - File names with trailing period or space need special case conversion - xen/acpi: allow xen-acpi-processor driver to load on Xen 4.7 - crypto: qat - make qat_asym_algs.o depend on asn1 headers - tmpfs: don't undo fallocate past its last page - tmpfs: fix regression hang in fallocate undo - drm/i915: Revert DisplayPort fast link training feature - ovl: verify upper dentry before unlink and rename - Linux 4.4.16 * Regression caused by `fuse: Add support for pid namespaces` in 4.4.0-6.21 (LP: #1605344) - SAUCE: (namespace) fuse: Permit requests from other pid namespaces * CVE-2016-5400 - media: fix airspy usb probe error path * Cannot mount proc in unprivileged containers if /proc/xen is mounted (LP: #1607374) - SAUCE: xenbus: Use proc_create_mount_point() to create /proc/xen * Mic mute key does not work for Ideapad laptops (LP: #1607153) - ideapad_laptop: Add an event for mic mute hotkey * NVMe stress test fails after 12 hours on Ubuntu 16.04 (LP: #1604995) - block: atari: Return early for unsupported sector size * Console extremely slow with 4.4 kernels for servers with Matrox G200er2 or similar (LP: #1605662) - SAUCE: vesafb: Set mtrr:3 (write-combining) as default * Ubuntu 16.04 - Full EEH Recovery Support for NVMe devices (LP: #1602724) - nvme: use a work item to submit async event requests - nvme: don't poll the CQ from the kthread - nvme: replace the kthread with a per-device watchdog timer - NVMe: Fix reset/remove race - nvme: Avoid reset work on watchdog timer function during error recovery - NVMe: Always use MSI/MSI-x interrupts * [LTC-Test] - NMI watchdog Bug and call traces when trinity is executed. (LP: #1602524) - ext4: factor out determining of hole size - ext4: return hole from ext4_map_blocks() - ext4: more efficient SEEK_DATA implementation * changelog: add CVEs as first class citizens (LP: #1604344) - avoid duplicate CVE numbers in changelog * [LTCTest][Opal][OP820] Machine crashed with Oops: Kernel access of bad area, sig: 11 [#1] while executing Froze PE Error injection (LP: #1603449) - powerpc/eeh: Fix invalid cached PE primary bus * Hotplug remove and re-add adds PCI adapter to next PCI domain (PCI) (LP: #1603574) - powerpc/pci: Assign fixed PHB number based on device-tree properties * nvme - reset_controller is not working after adapter's firmware upgrade (adapter quirk is needed) (LP: #1602726) - NVMe: Create discard zero quirk white list - nvme/quirk: Add a delay before checking for adapter readiness * ovs nat: conntrack netlink event are missing (LP: #1603468) - openvswitch: fix conntrack netlink event delivery * FlashGT - In Tuleta 8284-22A with card in card slot P1-C9, system Fails to boot operating system (LP: #1602785) - cxl: Ignore CAPI adapters misplaced in switched slots * CVE-2016-5728 - misc: mic: Fix for double fetch security bug in VOP driver * CVE-2016-5244 (LP: #1589041) - rds: fix an infoleak in rds_inc_info_copy * Miscellaneous Ubuntu changes - Added Snapcraft files - SAUCE: snapcraft: cleanup and remove unnecessary elements -- Stefan Bader <stefan.ba...@canonical.com> Thu, 11 Aug 2016 17:34:14 +0200 ** Changed in: linux (Ubuntu Xenial) Status: Fix Committed => Fix Released ** CVE added: http://www.cve.mitre.org/cgi- bin/cvename.cgi?name=2016-5244 ** CVE added: http://www.cve.mitre.org/cgi- bin/cvename.cgi?name=2016-5400 ** CVE added: http://www.cve.mitre.org/cgi- bin/cvename.cgi?name=2016-5696 ** CVE added: http://www.cve.mitre.org/cgi- bin/cvename.cgi?name=2016-5728 -- 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/1606786 Title: in Ubuntu16.10: Hit on Call traces and system goes down when transactional memory tests are running in 32TB Brazos system Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Released Status in linux source package in Yakkety: Fix Released Bug description: == Comment: #0 - Praveen K. Pandey <praveen.pan...@in.ibm.com> - 2016-07-16 14:21:39 == ---Problem Description--- In Ubuntu16.10 Call traces and unrecoverable exception occurs when Transactional memory tests are executed in 32TB system. Steps to reproduce: 1- Download tm tests from the link - 'http://ozlabs.au.ibm.com/~mikey/tm-test-le.tar.gz' 2- untar tm-test-le.tar.gz; make clean; make; ./runtests.sh The system gives below call traces and goes down. [Not able to do ssh and the console gets hung] LOG: Running ./htm_demo Starting 6144 worker threads, 50000 loops ------------------------------------------------------ ------------------------------------------------------ [ 438.064162] CFAR: c000000000008d18 SOFTE: 0 PACATMSCRATCH: 8000000200009033 GPR00: c000000000111028 c00005f82e36f4b0 c0000000015b5d00 0000000000000000 GPR04: c000000000b28863 0000000000000001 c000000001755d00 0000000100008748 GPR08: 00000000000004f0 00000000f5257d14 000001fab9800000 0000000000000005 GPR12: 0000000000000500 c00000000bc9dd00 00003ffcf5fa0000 0000000000000100 GPR16: 0000000000000000 c00001faba7898e8 0000000000000001 c00003f9865bf804 GPR20: 0000000000000003 c0000000001638b0 0000000000000001 000000661a113a10 GPR24: 0000000000000000 c00005f82e9f2060 000001fab9800000 c0000000015eaa60 GPR28: c000000000f9e900 000000000000009e c0000000015eaa60 c00001faba79e900 [ 438.064303] NIP [c0000000000a1ba4] kvmppc_interrupt_hv+0x28/0x15c [ 438.064315] LR [c000000000111028] trigger_load_balance+0x58/0x340 [ 438.064323] Call Trace: [ 438.064330] [c00005f82e36f4b0] [c000000000111028] trigger_load_balance+0x58/0x340 (unreliable) [ 438.064346] [c00005f82e36f4f0] [c0000000000f9ee4] scheduler_tick+0x104/0x180 [ 438.064360] [c00005f82e36f550] [c00000000014c128] update_process_times+0x78/0xa0 [ 438.064378] [c00005f82e36f580] [c000000000163818] tick_sched_handle.isra.6+0x48/0xe0 [ 438.064392] [c00005f82e36f5c0] [c000000000163914] tick_sched_timer+0x64/0xd0 [ 438.064404] [c00005f82e36f600] [c00000000014cbd4] __hrtimer_run_queues+0x124/0x450 [ 438.064418] [c00005f82e36f690] [c00000000014dbfc] hrtimer_interrupt+0xec/0x2c0 [ 438.064431] [c00005f82e36f750] [c00000000001f5bc] __timer_interrupt+0x8c/0x290 [ 438.064444] [c00005f82e36f7a0] [c00000000001f970] timer_interrupt+0xa0/0xe0 [ 438.064456] [c00005f82e36f7d0] [c000000000002714] decrementer_common+0x114/0x180 [ 438.064471] --- interrupt: 901 at _raw_spin_lock_irqsave+0xac/0x130 [ 438.064471] LR = _raw_spin_lock_irqsave+0x9c/0x130 [ 438.064486] [c00005f82e36fac0] [000000000000009e] 0x9e (unreliable) [ 438.064499] [c00005f82e36fb00] [c00000000010fe0c] load_balance+0x80c/0xa90 [ 438.064511] [c00005f82e36fc40] [c00000000011036c] rebalance_domains+0x2dc/0x3b0 [ 438.064525] [c00005f82e36fcf0] [c0000000000beb98] __do_softirq+0x188/0x3e0 [ 438.064537] [c00005f82e36fde0] [c0000000000bf068] irq_exit+0xc8/0x100 [ 438.064549] [c00005f82e36fe00] [c00000000001f974] timer_interrupt+0xa4/0xe0 [ 438.064561] [c00005f82e36fe30] [c000000000002714] decrementer_common+0x114/0x180 [ 438.064572] Instruction dump: [ 438.064578] 7c892378 48000160 f92d0850 892d0858 2c090004 418210b4 2c090001 e92d0850 [ 438.064598] 4182f2f8 39200004 992d0858 e92d0860 <f8090c18> f8290c20 f8490c28 f8690c30 [ 438.064621] ---[ end trace a8961db98dfe068b ]--- [ 438.072474] [ 440.072525] Kernel panic - not syncing: Fatal exception in interrupt [ 440.073966] Unrecoverable exception 4100 at c0000000000a1ba4 [ 440.073992] Oops: Unrecoverable exception, sig: 6 [#3] [ 440.074001] SMP NR_CPUS=2048 NUMA pSeries [ 440.074013] Modules linked in: pseries_rng btrfs xor raid6_pq rtc_generic sunrpc autofs4 ses enclosure ipr [ 440.074052] CPU: 291 PID: 404588 Comm: htm_demo Tainted: G D L 4.4.0-30-generic #49-Ubuntu [ 440.074067] task: c00005f82da42a20 ti: c00005f83031c000 task.ti: c00005f83031c000 [ 440.074079] NIP: c0000000000a1ba4 LR: c000000000aedfdc CTR: 0000000000000000 [ 440.074091] REGS: c00005f83031f750 TRAP: 4100 Tainted: G D L (4.4.0-30-generic) [ 440.074104] MSR: 8000000200001031 <SF,ME,IR,DR,LE> CR: 48004884 XER: 00000000 [ 440.074130] CFAR: c000000000008d18 SOFTE: 1 PACATMSCRATCH: 8000000200009033 GPR00: c000000000118d14 c00005f83031f9d0 c0000000015b5d00 0000000000000001 GPR04: c00005f83031fad8 0000000000000082 0000000000000000 f00000017e1bff80 GPR08: 0000000000000000 00000000eac0c6e6 0000000000000000 c00005f83031c000 GPR12: 0000000000000500 c00000000bcecc80 00003ffe0ffa0000 0000000000000000 GPR16: 0000000000000003 0000000000000322 0000000010002570 c00005f832062068 GPR20: c00005f857610080 0000000000000000 c00005f832062000 c00005f85754c080 GPR24: 0000000000000054 f00000017e1bff80 0000000000000000 c000000000ae97b0 GPR28: c00005f9afce5f40 0000000000000000 0000000000000001 c00005f9afce5f40 [ 440.074292] NIP [c0000000000a1ba4] kvmppc_interrupt_hv+0x28/0x15c [ 440.074306] LR [c000000000aedfdc] _raw_spin_lock_irqsave+0x9c/0x130 [ 440.074315] Call Trace: [ 440.074324] [c00005f83031f9d0] [c00005f83031fa10] 0xc00005f83031fa10 (unreliable) [ 440.074341] [c00005f83031fa10] [c000000000118d14] finish_wait+0x54/0xb0 [ 440.074360] [c00005f83031fa50] [c000000000ae90bc] __wait_on_bit+0xac/0x170 [ 440.074380] [c00005f83031faa0] [c00000000022f070] wait_on_page_bit_killable+0xf0/0x110 [ 440.074396] [c00005f83031fb10] [c00000000022f18c] __lock_page_or_retry+0xfc/0x120 [ 440.074411] [c00005f83031fb50] [c00000000022f4fc] filemap_fault+0x34c/0x500 [ 440.074426] [c00005f83031fbd0] [c0000000003b23f0] ext4_filemap_fault+0x50/0x80 [ 440.074447] [c00005f83031fc10] [c00000000026e944] __do_fault+0x84/0x160 [ 440.074461] [c00005f83031fcb0] [c000000000274578] handle_mm_fault+0xd78/0x1980 [ 440.074476] [c00005f83031fd80] [c000000000af04f4] do_page_fault+0x354/0x7f0 [ 440.074494] [c00005f83031fe30] [c000000000008664] handle_page_fault+0x10/0x30 [ 440.074505] Instruction dump: [ 440.074513] 7c892378 48000160 f92d0850 892d0858 2c090004 418210b4 2c090001 e92d0850 [ 440.074537] 4182f2f8 39200004 992d0858 e92d0860 <f8090c18> f8290c20 f8490c28 f8690c30 [ 440.074564] ---[ end trace a8961db98dfe068c ]--- [ 440.076808] Unrecoverable exception 4100 at c0000000000a1ba4 [ 440.083422] pstore: pstore dump routine blocked in Panic path, may corrupt error record [ 440.083424] [ 440.083428] Oops: Unrecoverable exception, sig: 6 [#4] [ 440.083432] SMP NR_CPUS=2048 NUMA pSeries [ 440.083450] Modules linked in: pseries_rng btrfs xor raid6_pq rtc_generic sunrpc autofs4 ses enclosure ipr [ 440.083457] CPU: 1370 PID: 405427 Comm: htm_demo Tainted: G D L 4.4.0-30-generic #49-Ubuntu [ 440.083460] task: c000194911f30b50 ti: c000194912214000 task.ti: c000194912214000 [ 440.083462] NIP: c0000000000a1ba4 LR: c000000000aedfdc CTR: 0000000000000000 [ 440.083464] REGS: c000194912217750 TRAP: 4100 Tainted: G D L (4.4.0-30-generic) [ 440.083473] MSR: 8000000200001031 <SF,ME,IR,DR,LE> CR: 48004884 XER: 20000000 [ 440.083503] CFAR: c000000000008d18 SOFTE: 1 [ 440.083503] PACATMSCRATCH: 8000000200009033 [ 440.083503] GPR00: c000000000118b28 c0001949122179d0 c0000000015b5d00 0000000000000001 [ 440.083503] GPR04: c000194912217ad8 0000000000000082 0000000000000082 0000000000000002 [ 440.083503] GPR08: c000000000ae5d00 00000000f5257d14 0000000000000000 c000194912214000 [ 440.083503] GPR12: 0000000000000500 c00000000bf6d700 00003ffc6efa0000 0000000000000000 [ 440.083503] GPR16: 0000000000000003 0000000000000664 0000000010002570 c00005f832062068 [ 440.083503] GPR20: c00005f857610080 0000000000000000 c00005f832062000 c00005f85754c080 [ 440.083503] GPR24: 0000000000000054 f00000017e1bff80 c00005f87fa62ac8 c000000000ae97b0 [ 440.083503] GPR28: c00005f9afce5f40 0000000000000000 0000000000000001 c00005f9afce5f40 [ 440.083514] NIP [c0000000000a1ba4] kvmppc_interrupt_hv+0x28/0x15c [ 440.083520] LR [c000000000aedfdc] _raw_spin_lock_irqsave+0x9c/0x130 [ 440.083521] Call Trace: [ 440.083527] [c0001949122179d0] [0000000200000001] 0x200000001 (unreliable) [ 440.083533] [c000194912217a10] [c000000000118b28] prepare_to_wait+0x48/0xf0 [ 440.083542] [c000194912217a50] [c000000000ae9070] __wait_on_bit+0x60/0x170 [ 440.083548] [c000194912217aa0] [c00000000022f070] wait_on_page_bit_killable+0xf0/0x110 [ 440.083553] [c000194912217b10] [c00000000022f18c] __lock_page_or_retry+0xfc/0x120 [ 440.083557] [c000194912217b50] [c00000000022f4fc] filemap_fault+0x34c/0x500 [ 440.083561] [c000194912217bd0] [c0000000003b23f0] ext4_filemap_fault+0x50/0x80 [ 440.083567] [c000194912217c10] [c00000000026e944] __do_fault+0x84/0x160 [ 440.083571] [c000194912217cb0] [c000000000274578] handle_mm_fault+0xd78/0x1980 [ 440.083575] [c000194912217d80] [c000000000af04f4] do_page_fault+0x354/0x7f0 [ 440.083584] [c000194912217e30] [c000000000008664] handle_page_fault+0x10/0x30 [ 440.083597] Instruction dump: [ 440.083603] 7c892378 48000160 f92d0850 892d0858 2c090004 418210b4 2c090001 e92d0850 [ 440.083607] 4182f2f8 39200004 992d0858 e92d0860 <f8090c18> f8290c20 f8490c28 f8690c30 [ 440.083611] ---[ end trace a8961db98dfe068d ]--- [ 440.091723] [ 440.091985] ---[ end Kernel panic - not syncing: Fatal exception in interrupt Regards Praveen == Comment: #2 - Michael Neuling <michael.neul...@au1.ibm.com> - 2016-07-25 22:56:05 == So the same issues as bz142887 are going to hit everywhere as this was an upstream bug. You'll need these two patches. https://git.kernel.org/powerpc/c/6bcb80143e792becfd2b9cc6a339ce523e4e2219 https://git.kernel.org/powerpc/c/190ce8693c23eae09ba5f303a83bf2fbeb6478b1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1606786/+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