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Message #98804
[Bug 1396235] Re: Ubuntu - unable to use XMON debugger (running ppc64le on PowerVM)
This bug was fixed in the package linux - 3.16.0-29.39
---------------
linux (3.16.0-29.39) utopic; urgency=low
[ Kamal Mostafa ]
* Release Tracking Bug
- LP: #1402822
[ AceLan Kao ]
* SAUCE: Add use_native_backlight quirk for HP ProBook 6570b
- LP: #1359010
[ Andy Whitcroft ]
* Revert "SAUCE: (no-up) arm64: optimized copy_to_user and copy_from_user
assembly code"
- LP: #1398596
* [Config] updateconfigs to balance CONFIG_SCOM_DEBUGFS
[ Paolo Pisati ]
* [Config] armhf: VIRTIO_[BALLOON|MMIO]=y
[ Upstream Kernel Changes ]
* Revert "arm64: Make default dma_ops to be noncoherent"
- LP: #1386490
* Revert "percpu: free percpu allocation info for uniprocessor system"
- LP: #1401079
* ath3k: Add support of MCI 13d3:3408 bt device
- LP: #1395465
* x86: kvm: use alternatives for VMCALL vs. VMMCALL if kernel text is
read-only
- LP: #1379340
* cpufreq: Allow stop CPU callback to be used by all cpufreq drivers
- LP: #1397928
* cpufreq: powernv: Set the pstate of the last hotplugged out cpu in
policy->cpus to minimum
- LP: #1397928
* cpufreq: powernv: Set the cpus to nominal frequency during reboot/kexec
- LP: #1397928
* xen-netfront: Remove BUGs on paged skb data which crosses a page
boundary
- LP: #1275879
* ACPI / blacklist: blacklist Win8 OSI for Dell Vostro 3546
- LP: #1383589
* iwlwifi: add device / firmware to fw-error-dump file
- LP: #1399440
* iwlwifi: rename iwl_mvm_fw_error_next_data
- LP: #1399440
* iwlwifi: pcie: add firmware monitor capabilities
- LP: #1399440
* iwlwifi: remove wrong comment about alignment in iwl-fw-error-dump.h
- LP: #1399440
* iwlwifi: mvm: don't collect logs in the interrupt thread
- LP: #1399440
* iwlwifi: mvm: kill iwl_mvm_fw_error_rxf_dump
- LP: #1399440
* iwlwifi: mvm: update layout of firmware error dump
- LP: #1399440
* powerpc/pseries: Fix endiannes issue in RTAS call from xmon
- LP: #1396235
* mmc: sdhci-pci-o2micro: Fix Dell E5440 issue
- LP: #1346067
* mfd: rtsx: Fix PM suspend for 5227 & 5249
- LP: #1359052
* samsung-laptop: Add broken-acpi-video quirk for NC210/NC110
- LP: #1401079
* acer-wmi: Add acpi_backlight=video quirk for the Acer KAV80
- LP: #1401079
* pinctrl: baytrail: show output gpio state correctly on Intel Baytrail
- LP: #1401079
* ALSA: hda - Add dock support for Thinkpad T440 (17aa:2212)
- LP: #1401079
* ALSA: hda - Add ultra dock support for Thinkpad X240.
- LP: #1401079
* rbd: Fix error recovery in rbd_obj_read_sync()
- LP: #1401079
* ds3000: fix LNB supply voltage on Tevii S480 on initialization
- LP: #1401079
* powerpc: do_notify_resume can be called with bad thread_info flags
argument
- LP: #1401079
* powerpc/powernv: Properly fix LPC debugfs endianness
- LP: #1401079
* irqchip: armada-370-xp: Fix MSI interrupt handling
- LP: #1401079
* irqchip: armada-370-xp: Fix MPIC interrupt handling
- LP: #1401079
* USB: kobil_sct: fix non-atomic allocation in write path
- LP: #1401079
* USB: opticon: fix non-atomic allocation in write path
- LP: #1401079
* regulator: max77693: Fix use of uninitialized regulator config
- LP: #1401079
* USB: cdc-acm: add device id for GW Instek AFG-2225
- LP: #1401079
* usb: Do not allow usb_alloc_streams on unconfigured devices
- LP: #1401079
* usb-storage: handle a skipped data phase
- LP: #1401079
* uas: Add US_FL_NO_ATA_1X quirk for 1 more Seagate model
- LP: #1401079
* xhci: Disable streams on Asmedia 1042 xhci controllers
- LP: #1401079
* uas: Add NO_ATA_1X for VIA VL711 devices
- LP: #1401079
* USB: core: add device-qualifier quirk
- LP: #1401079
* USB: quirks: enable device-qualifier quirk for Elan Touchscreen
- LP: #1401079
* USB: quirks: enable device-qualifier quirk for another Elan touchscreen
- LP: #1401079
* USB: quirks: enable device-qualifier quirk for yet another Elan
touchscreen
- LP: #1401079
* xhci: no switching back on non-ULT Haswell
- LP: #1401079
* uas: Add US_FL_NO_ATA_1X quirk for 2 more Seagate models
- LP: #1401079
* of: Fix overflow bug in string property parsing functions
- LP: #1401079
* spi: fsl-dspi: Fix CTAR selection
- LP: #1401079
* Btrfs: fix kfree on list_head in btrfs_lookup_csums_range error cleanup
- LP: #1401079
* ALSA: usb-audio: Fix device_del() sysfs warnings at disconnect
- LP: #1401079
* iio: as3935: allocate correct iio_device size
- LP: #1401079
* staging:iio:ade7758: Fix NULL pointer deref when enabling buffer
- LP: #1401079
* staging:iio:ade7758: Fix check if channels are enabled in prenable
- LP: #1401079
* staging:iio:ade7758: Remove "raw" from channel name
- LP: #1401079
* USB: cdc-acm: only raise DTR on transitions from B0
- LP: #1401079
* fix breakage in o2net_send_tcp_msg()
- LP: #1401079
* phy: omap-usb2: Enable runtime PM of omap-usb2 phy properly
- LP: #1401079
* serial: Fix divide-by-zero fault in uart_get_divisor()
- LP: #1401079
* tty: Fix high cpu load if tty is unreleaseable
- LP: #1401079
* tty: Prevent "read/write wait queue active!" log flooding
- LP: #1401079
* tty/vt: don't set font mappings on vc not supporting this
- LP: #1401079
* spi: pxa2xx: toggle clocks on suspend if not disabled by runtime PM
- LP: #1401079
* USB: cdc-acm: add quirk for control-line state requests
- LP: #1401079
* sysfs: driver core: Fix glue dir race condition by gdp_mutex
- LP: #1401079
* i2c: at91: don't account as iowait
- LP: #1401079
* i2c: core: Dispose OF IRQ mapping at client removal time
- LP: #1401079
* drm/nouveau/kms: take more care when pulling down accelerated fbcon
- LP: #1401079
* drm/nouveau/kms: restore acceleration before fb_set_suspend() resumes
- LP: #1401079
* drm/nouveau: punt fbcon resume out to a workqueue
- LP: #1401079
* drm/nouveau/bar: behave better if ioremap failed
- LP: #1401079
* drm/nvc0-/fb/ram: fix use of non-existant ram if partitions aren't
uniform
- LP: #1401079
* drm/nouveau/ltc: fix tag base address getting truncated if above 4GiB
- LP: #1401079
* drm/nouveau: ltc/gf100-: fix cbc issues on certain boards
- LP: #1401079
* drm/nv50/disp: fix dpms regression on certain boards
- LP: #1401079
* drm/nouveau/bios: memset dcb struct to zero before parsing
- LP: #1401079
* GFS2: Make rename not save dirent location
- LP: #1401079
* cpufreq: intel_pstate: Add CPU ID for Braswell processor
- LP: #1401079
* x86/platform/intel/iosf: Add Braswell PCI ID
- LP: #1401079
* ALSA: hda - add PCI IDs for Intel Braswell
- LP: #1401079
* ALSA: hda - add codec ID for Braswell display audio codec
- LP: #1401079
* netfilter: ipset: off by one in ip_set_nfnl_get_byindex()
- LP: #1401079
* netfilter: nf_tables: check for NULL in nf_tables_newchain pcpu stats
allocation
- LP: #1401079
* netfilter: nf_log: account for size of NLMSG_DONE attribute
- LP: #1401079
* netfilter: nfnetlink_log: fix maximum packet length logged to userspace
- LP: #1401079
* netfilter: nf_log: release skbuff on nlmsg put failure
- LP: #1401079
* netfilter: nft_compat: fix wrong target lookup in
nft_target_select_ops()
- LP: #1401079
* crypto: algif - avoid excessive use of socket buffer in skcipher
- LP: #1401079
* drm/ttm: Don't evict BOs outside of the requested placement range
- LP: #1401079
* lockd: Try to reconnect if statd has moved
- LP: #1401079
* SUNRPC: Don't wake tasks during connection abort
- LP: #1401079
* SUNRPC: Add missing support for RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT
- LP: #1401079
* pata_serverworks: disable 64-KB DMA transfers on Broadcom OSB4 IDE
Controller
- LP: #1401079
* libata-sff: Fix controllers with no ctl port
- LP: #1401079
* ASoC: soc-dapm: fix use after free
- LP: #1401079
* ASoC: tlv320aic3x: fix PLL D configuration
- LP: #1401079
* mmc: core: sdio: Fix unconditional wake_up_process() on sdio thread
- LP: #1401079
* mmc: sdhci-pxav3: set_uhs_signaling is initialized twice differently
- LP: #1401079
* mmc: rtsx_usb_sdmmc: fix incorrect last byte in R2 response
- LP: #1401079
* mmc: don't request CD IRQ until mmc_start_host()
- LP: #1401079
* mmc: rtsx_pci_sdmmc: fix incorrect last byte in R2 response
- LP: #1401079
* mmc: sdhci-s3c: fix runtime PM handling on sdhci_add_host() failure
- LP: #1401079
* fs: make cont_expand_zero interruptible
- LP: #1401079
* fs: Fix theoretical division by 0 in super_cache_scan().
- LP: #1401079
* UBIFS: remove mst_mutex
- LP: #1401079
* UBIFS: fix a race condition
- LP: #1401079
* UBIFS: fix free log space calculation
- LP: #1401079
* x86: Reject x32 executables if x32 ABI not supported
- LP: #1401079
* x86, fpu: __restore_xstate_sig()->math_state_restore() needs
preempt_disable()
- LP: #1401079
* x86, fpu: shift drop_init_fpu() from save_xstate_sig() to
handle_signal()
- LP: #1401079
* perf: Fix unclone_ctx() vs. locking
- LP: #1401079
* evm: properly handle INTEGRITY_NOXATTRS EVM status
- LP: #1401079
* missing data dependency barrier in prepend_name()
- LP: #1401079
* kill wbuf_queued/wbuf_dwork_lock
- LP: #1401079
* fix misuses of f_count() in ppp and netlink
- LP: #1401079
* libceph: ceph-msgr workqueue needs a resque worker
- LP: #1401079
* sched: Use dl_bw_of() under RCU read lock
- LP: #1401079
* um: ubd: Fix for processes stuck in D state forever
- LP: #1401079
* s390/topology: call set_sched_topology early
- LP: #1401079
* mfd: ti_am335x_tscadc: Fix TSC operation after ADC continouous mode
- LP: #1401079
* mfd: ti_am335x_tscadc: Fix TSC resume
- LP: #1401079
* mfd: rtsx_pcr: Fix MSI enable error handling
- LP: #1401079
* selinux: fix inode security list corruption
- LP: #1401079
* power: charger-manager: Fix NULL pointer exception with missing
cm-fuel-gauge
- LP: #1401079
* virtio_pci: fix virtio spec compliance on restore
- LP: #1401079
* xen/blkback: unmap all persistent grants when frontend gets
disconnected
- LP: #1401079
* blk-mq: fix potential hang if rolling wakeup depth is too high
- LP: #1401079
* dm bufio: update last_accessed when relinking a buffer
- LP: #1401079
* dm bufio: when done scanning return from __scan immediately
- LP: #1401079
* drbd: compute the end before rb_insert_augmented()
- LP: #1401079
* block: fix alignment_offset math that assumes io_min is a power-of-2
- LP: #1401079
* dm log userspace: fix memory leak in dm_ulog_tfr_init failure path
- LP: #1401079
* modules, lock around setting of MODULE_STATE_UNFORMED
- LP: #1401079
* framebuffer: fix screen corruption when copying
- LP: #1401079
* framebuffer: fix border color
- LP: #1401079
* Input: i8042 - add noloop quirk for Asus X750LN
- LP: #1401079
* drm/ast: Fix HW cursor image
- LP: #1401079
* drm/nouveau/gpio: rename g92 class to g94
- LP: #1401079
* drm/i915: Do not leak pages when freeing userptr objects
- LP: #1401079
* drm/vmwgfx: Fix drm.h include
- LP: #1401079
* v4l2-common: fix overflow in v4l_bound_align_image()
- LP: #1401079
* media: usb: uvc: add a quirk for Dell XPS M1330 webcam
- LP: #1401079
* siano: add support for PCTV 77e
- LP: #1401079
* m88ts2022: fix 32bit overflow on filter calc
- LP: #1401079
* tda7432: Fix setting TDA7432_MUTE bit for TDA7432_RF register
- LP: #1401079
* x86: Add cpu_detect_cache_sizes to init_intel() add Quark
legacy_cache()
- LP: #1401079
* serial: msm_serial: Fix kgdb continue
- LP: #1401079
* sched: Use rq->rd in sched_setaffinity() under RCU read lock
- LP: #1401079
* drm/vmwgfx: Filter out modes those cannot be supported by the current
VRAM size.
- LP: #1401079
* powerpc: use device_online/offline() instead of cpu_up/down()
- LP: #1401079
* UBI: add missing kmem_cache_free() in process_pool_aeb error path
- LP: #1401079
* xen-blkback: fix leak on grant map error path
- LP: #1401079
* HID: input: Fix TransducerSerialNumber implementation
- LP: #1401079
* HID: usbhid: add always-poll quirk
- LP: #1401079
* HID: usbhid: enable always-poll quirk for Elan Touchscreen
- LP: #1401079
* HID: usbhid: fix PIXART optical mouse
- LP: #1401079
* HID: usbhid: add another mouse that needs QUIRK_ALWAYS_POLL
- LP: #1401079
* HID: usbhid: enable always-poll quirk for Elan Touchscreen 009b
- LP: #1401079
* HID: usbhid: enable always-poll quirk for Elan Touchscreen 016f
- LP: #1401079
* HID: add keyboard input assist hid usages
- LP: #1401079
* rbd: avoid format-security warning inside alloc_workqueue()
- LP: #1401079
* rbd: fix error return code in rbd_dev_device_setup()
- LP: #1401079
* rbd: rbd workqueues need a resque worker
- LP: #1401079
* ttusb-dec: buffer overflow in ioctl
- LP: #1401079
* dm bufio: change __GFP_IO to __GFP_FS in shrinker callbacks
- LP: #1401079
* xtensa: re-wire umount syscall to sys_oldumount
- LP: #1401079
* dm raid: ensure superblock's size matches device's logical block size
- LP: #1401079
* ata: sata_rcar: Disable DIPM mode for r8a7790 ES1
- LP: #1401079
* ahci: disable MSI instead of NCQ on Samsung pci-e SSDs on macbooks
- LP: #1401079
* ahci: Add Device IDs for Intel Sunrise Point PCH
- LP: #1401079
* power: bq2415x_charger: Properly handle ENODEV from
power_supply_get_by_phandle
- LP: #1401079
* power: bq2415x_charger: Fix memory leak on DTS parsing error
- LP: #1401079
* power: charger-manager: Fix accessing invalidated power supply after
fuel gauge unbind
- LP: #1401079
* power: charger-manager: Fix accessing invalidated power supply after
charger unbind
- LP: #1401079
* mac80211: use secondary channel offset IE also beacons during CSA
- LP: #1401079
* mac80211: schedule the actual switch of the station before CSA count 0
- LP: #1401079
* mac80211: properly flush delayed scan work on interface removal
- LP: #1401079
* audit: AUDIT_FEATURE_CHANGE message format missing delimiting space
- LP: #1401079
* block: Fix computation of merged request priority
- LP: #1401079
* x86, microcode, AMD: Fix early ucode loading on 32-bit
- LP: #1401079
* x86, kaslr: Prevent .bss from overlaping initrd
- LP: #1401079
* ARM: mvebu: armada xp: Generalize use of i2c quirk
- LP: #1401079
* mac80211: fix use-after-free in defragmentation
- LP: #1401079
* iwlwifi: fix RFkill while calibrating
- LP: #1401079
* tun: Fix csum_start with VLAN acceleration
- LP: #1401079
* macvtap: Fix csum_start when VLAN tags are present
- LP: #1401079
* dm thin: grab a virtual cell before looking up the mapping
- LP: #1401079
* KVM: x86: Fix uninitialized op->type for some immediate values
- LP: #1401079
* crypto: caam - fix missing dma unmap on error path
- LP: #1401079
* hwrng: pseries - port to new read API and fix stack corruption
- LP: #1401079
* drm/i915: Disable caches for Global GTT.
- LP: #1401079
* Input: synaptics - add min/max quirk for Lenovo T440s
- LP: #1401079
* drm/radeon: set correct CE ram size for CIK
- LP: #1401079
* drm/radeon: make sure mode init is complete in bandwidth_update
- LP: #1401079
* drm/radeon: use gart for DMA IB tests
- LP: #1401079
* drm/radeon: add missing crtc unlock when setting up the MC
- LP: #1401079
* cpufreq: Avoid crash in resume on SMP without OPP
- LP: #1401079
* Input: alps - ignore potential bare packets when device is out of sync
- LP: #1401079
* Input: alps - allow up to 2 invalid packets without resetting device
- LP: #1401079
* x86, microcode, AMD: Fix ucode patch stashing on 32-bit
- LP: #1401079
* scsi: only re-lock door after EH on devices that were reset
- LP: #1401079
* mfd: twl4030-power: Fix poweroff with PM configuration enabled
- LP: #1401079
* dm btree: fix a recursion depth bug in btree walking code
- LP: #1401079
* parisc: Use compat layer for msgctl, shmat, shmctl and semtimedop
syscalls
- LP: #1401079
* tracing: Do not busy wait in buffer splice
- LP: #1401079
* param: fix crash on bad kernel arguments
- LP: #1401079
* ALSA: usb-audio: Fix memory leak in FTU quirk
- LP: #1401079
* audit: keep inode pinned
- LP: #1401079
* drm/radeon: add locking around atombios scratch space usage
- LP: #1401079
* nfs: fix pnfs direct write memory leak
- LP: #1401079
* nfs: Fix use of uninitialized variable in nfs_getattr()
- LP: #1401079
* NFSv4: Ensure that we remove NFSv4.0 delegations when state has expired
- LP: #1401079
* NFSv4.1: nfs41_clear_delegation_stateid shouldn't trust
NFS_DELEGATED_STATE
- LP: #1401079
* NFSv4: Fix races between nfs_remove_bad_delegation() and delegation
return
- LP: #1401079
* NFSv4: Ensure that we call FREE_STATEID when NFSv4.x stateids are
revoked
- LP: #1401079
* NFS: Don't try to reclaim delegation open state if recovery failed
- LP: #1401079
* ALSA: hda - Add mute LED control for Lenovo Ideapad Z560
- LP: #1401079
* arm64: efi: Fix stub cache maintenance
- LP: #1401079
* arm64: __clear_user: handle exceptions on strb
- LP: #1401079
* Correct the race condition in aarch64_insn_patch_text_sync()
- LP: #1401079
* Fix thinko in iov_iter_single_seg_count
- LP: #1401079
* libceph: do not crash on large auth tickets
- LP: #1401079
* ARM: 8191/1: decompressor: ensure I-side picks up relocated code
- LP: #1401079
* ARM: 8198/1: make kuser helpers depend on MMU
- LP: #1401079
* zram: avoid kunmap_atomic() of a NULL pointer
- LP: #1401079
* mem-hotplug: reset node managed pages when hot-adding a new pgdat
- LP: #1401079
* mem-hotplug: reset node present pages when hot-adding a new pgdat
- LP: #1401079
* Input: alps - ignore bad data on Dell Latitudes E6440 and E7440
- LP: #1401079
* firewire: cdev: prevent kernel stack leaking into ioctl arguments
- LP: #1401079
* md: Always set RECOVERY_NEEDED when clearing RECOVERY_FROZEN
- LP: #1401079
* ip6_tunnel: Use ip6_tnl_dev_init as the ndo_init function.
- LP: #1401079
* vti6: Use vti6_dev_init as the ndo_init function.
- LP: #1401079
* sit: Use ipip6_tunnel_init as the ndo_init function.
- LP: #1401079
* gre6: Move the setting of dev->iflink into the ndo_init functions.
- LP: #1401079
* net: mv643xx_eth: reclaim TX skbs only when released by the HW
- LP: #1401079
* vxlan: Do not reuse sockets for a different address family
- LP: #1401079
* net: sctp: fix NULL pointer dereference in af->from_addr_param on
malformed packet
- LP: #1401079
* net: sctp: fix memory leak in auth key management
- LP: #1401079
* ipv6: fix IPV6_PKTINFO with v4 mapped
- LP: #1401079
* netlink: Properly unbind in error conditions.
- LP: #1401079
* smsc911x: power-up phydev before doing a software reset.
- LP: #1401079
* sunvdc: add cdrom and v1.1 protocol support
- LP: #1401079
* sunvdc: compute vdisk geometry from capacity
- LP: #1401079
* sunvdc: limit each sg segment to a page
- LP: #1401079
* vio: fix reuse of vio_dring slot
- LP: #1401079
* sunvdc: don't call VD_OP_GET_VTOC
- LP: #1401079
* sparc64: Fix crashes in schizo_pcierr_intr_other().
- LP: #1401079
* sparc64: Do irq_{enter,exit}() around generic_smp_call_function*().
- LP: #1401079
* sparc32: Implement xchg and atomic_xchg using ATOMIC_HASH locks
- LP: #1401079
* drm/radeon: initialize sadb to NULL in the audio code
- LP: #1401079
* KVM: x86: Don't report guest userspace emulation error to userspace
- LP: #1401079
* quirk for Lenovo Yoga 3: no rfkill switch
- LP: #1401079
* em28xx-v4l: give back all active video buffers to the vb2 core properly
on streaming stop
- LP: #1401079
* mmc: sdhci-pci: SDIO host controller support for Intel Quark X1000
- LP: #1401079
* perf: Handle compat ioctl
- LP: #1401079
* crypto: caam - remove duplicated sg copy functions
- LP: #1401079
* audit: correct AUDIT_GET_FEATURE return message type
- LP: #1401079
* mac80211_hwsim: release driver when ieee80211_register_hw fails
- LP: #1401079
* pinctrl: dra: dt-bindings: Fix output pull up/down
- LP: #1401079
* memory-hotplug: Remove "weak" from memory_block_size_bytes()
declaration
- LP: #1401079
* vmcore: Remove "weak" from function declarations
- LP: #1401079
* kgdb: Remove "weak" from kgdb_arch_pc() declaration
- LP: #1401079
* clocksource: Remove "weak" from clocksource_default_clock() declaration
- LP: #1401079
* IB/core: Clear AH attr variable to prevent garbage data
- LP: #1401079
* netfilter: xt_bpf: add mising opaque struct sk_filter definition
- LP: #1401079
* rcu: Use rcu_gp_kthread_wake() to wake up grace period kthreads
- LP: #1401079
* x86, x32, audit: Fix x32's AUDIT_ARCH wrt audit
- LP: #1401079
* ARM: dts: am335x-evm: Fix 5th NAND partition's name
- LP: #1401079
* ipc: always handle a new value of auto_msgmni
- LP: #1401079
* dell-wmi: Fix access out of memory
- LP: #1401079
* Linux 3.16.7-ckt2
- LP: #1401079
* drivers:scsi:storvsc: Fix a bug in handling ring buffer failures that
may result in I/O freeze
- LP: #1400289
* sched/x86: Fix up typo in topology detection
- LP: #1386473
* arm64: optimized copy_to_user and copy_from_user assembly code
- LP: #1400349
* net:socket: set msg_namelen to 0 if msg_name is passed as NULL in
msghdr struct from userland.
- LP: #1335478
* powerpc/vphn: NUMA node code expects big-endian
- LP: #1401150
-- Kamal Mostafa <kamal@xxxxxxxxxxxxx> Mon, 15 Dec 2014 12:34:16 -0800
** Changed in: linux (Ubuntu Utopic)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu Trusty)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1396235
Title:
Ubuntu - unable to use XMON debugger (running ppc64le on PowerVM)
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Trusty:
Fix Released
Status in linux source package in Utopic:
Fix Released
Bug description:
SRU Justification:
[Impact]
Users of LE Power8 hardware might not be able to use XMON properly.
[Test Case]
# echo x > /proc/sysrq-trigger
This should put us in the xmon debugger without errors.
[Fix]
3b8a3c01096925a824ed3272601082289d9c23a5 can be cleanly cherry-picked to 3.13/3.16. It only adds cpu_to_be32 macros which shouldn't change the behavior of BE mode CPUs.
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== Comment: #0 - Laurent Dufour <laurent.dufour@xxxxxxxxxx> - 2014-11-25 10:13:17 ==
---Problem Description---
Kernel fails to invoke xmon, instead print following messages
# echo x > /proc/sysrq-trigger
[ 47.600133] SysRq : Entering xmon
cpu 0xf: Vector: 0 at [c0000000e8603b80]
pc: c0000000005610c0: write_sysrq_trigger+0x120/0x260
lr: c0000000005610c0: write_sysrq_trigger+0x120/0x260
sp: c0000000e8603ce0
msr: 8000000000009033
current = 0xc0000000ef4a0000
paca = 0xc000000007df3480 softe: 0 irq_happened: 0x00
pid = 2303, comm = bash
[ 47.607247] Bad kernel stack pointer fc7b4b0 at ee27cc4
cpu 0xf: Vector: 300 (Data Access) at [c000000007f37d40]
pc: 000000000ee27cc4
lr: 000000000ee27c44
sp: fc7b4b0
msr: 8000000000001000
dar: 10000000
dsisr: 42000000
current = 0xc0000000ef4a0000
paca = 0xc000000007df3480 softe: 0 irq_happened: 0x00
pid = 2303, comm = bash
cpu 0xf: Exception 300 (Data Access) in xmon, returning to main loop
xmon: WARNING: bad recursive fault on cpu 0xf
---uname output---
N/A
Machine Type = powervm le
---System Hang---
System is hung
---Debugger---
A debugger is not configured
---Steps to Reproduce---
see problem description
Stack trace output:
no
Oops output:
see problem description
System Dump Info:
The system is not configured to capture a system dump.
This patch has been sent upstream:
http://patchwork.ozlabs.org/patch/413744/
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