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Message #177461
[Bug 1564950] Re: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
This bug was fixed in the package linux-lts-utopic -
3.16.0-71.91~14.04.1
---------------
linux-lts-utopic (3.16.0-71.91~14.04.1) trusty; urgency=low
[ Kamal Mostafa ]
* Release Tracking Bug
- LP: #1571796
[ Kamal Mostafa ]
* [debian] BugLink: close LP: bugs only for Launchpad urls
[ Upstream Kernel Changes ]
* Revert "jffs2: Fix lock acquisition order bug in jffs2_write_begin"
- LP: #1563345
* iommu/vt-d: Fix 64-bit accesses to 32-bit DMAR_GSTS_REG
- LP: #1563345
* drm/i915/dsi: defend gpio table against out of bounds access
- LP: #1563345
* drm/i915/dsi: don't pass arbitrary data to sideband
- LP: #1563345
* powerpc: Fix dedotify for binutils >= 2.26
- LP: #1563345
* drm/i915: fix error path in intel_setup_gmbus()
- LP: #1563345
* cifs: fix erroneous return value
- LP: #1563345
* s390/dasd: prevent incorrect length error under z/VM after PAV changes
- LP: #1563345
* s390/dasd: fix refcount for PAV reassignment
- LP: #1563345
* scsi: fix soft lockup in scsi_remove_target() on module removal
- LP: #1563345
* ext4: fix potential integer overflow
- LP: #1563345
* ext4: don't read blocks from disk after extents being swapped
- LP: #1563345
* bio: return EINTR if copying to user space got interrupted
- LP: #1563345
* ALSA: seq: Drop superfluous error/debug messages after malloc failures
- LP: #1563345
* ALSA: seq: Fix leak of pool buffer at concurrent writes
- LP: #1563345
* dmaengine: dw: disable BLOCK IRQs for non-cyclic xfer
- LP: #1563345
* tracepoints: Do not trace when cpu is offline
- LP: #1563345
* tracing: Fix freak link error caused by branch tracer
- LP: #1563345
* ALSA: seq: Fix double port list deletion
- LP: #1563345
* drm/radeon: use post-decrement in error handling
- LP: #1563345
* drm/qxl: use kmalloc_array to alloc reloc_info in
qxl_process_single_command
- LP: #1563345
* ext4: fix bh->b_state corruption
- LP: #1563345
* ext4: fix crashes in dioread_nolock mode
- LP: #1563345
* kernel/resource.c: fix muxed resource handling in __request_region()
- LP: #1563345
* x86/entry/compat: Add missing CLAC to entry_INT80_32
- LP: #1563345
* crypto: {blk,giv}cipher: Set has_setkey
- LP: #1563345
* nfs: fix nfs_size_to_loff_t
- LP: #1563345
* xen/pciback: Check PF instead of VF for PCI_COMMAND_MEMORY
- LP: #1563345
* xen/pciback: Save the number of MSI-X entries to be copied later.
- LP: #1563345
* xen/pcifront: Fix mysterious crashes when NUMA locality information was
extracted.
- LP: #1563345
* usb: dwc3: Fix assignment of EP transfer resources
- LP: #1563345
* NFSv4: Fix a dentry leak on alias use
- LP: #1563345
* USB: option: add support for SIM7100E
- LP: #1563345
* USB: cp210x: add IDs for GE B650V3 and B850V3 boards
- LP: #1563345
* USB: option: add "4G LTE usb-modem U901"
- LP: #1563345
* hwmon: (ads1015) Handle negative conversion values correctly
- LP: #1563345
* drivers: android: correct the size of struct binder_uintptr_t for
BC_DEAD_BINDER_DONE
- LP: #1563345
* can: ems_usb: Fix possible tx overflow
- LP: #1563345
* sunrpc/cache: fix off-by-one in qword_get()
- LP: #1563345
* KVM: async_pf: do not warn on page allocation failures
- LP: #1563345
* tracing: Fix showing function event in available_events
- LP: #1563345
* libceph: don't bail early from try_read() when skipping a message
- LP: #1563345
* ALSA: hda - Fixing background noise on Dell Inspiron 3162
- LP: #1549620, #1563345
* KVM: x86: MMU: fix ubsan index-out-of-range warning
- LP: #1563345
* ALSA: hda - Fix headset support and noise on HP EliteBook 755 G2
- LP: #1563345
* hpfs: don't truncate the file when delete fails
- LP: #1563345
* do_last(): don't let a bogus return value from ->open() et.al. to
confuse us
- LP: #1563345
* ARM: dts: kirkwood: use unique machine name for ds112
- LP: #1563345
* bonding: Fix ARP monitor validation
- LP: #1563345
* af_unix: Don't set err in unix_stream_read_generic unless there was an
error
- LP: #1563345
* af_unix: Guard against other == sk in unix_dgram_sendmsg
- LP: #1563345
* net: phy: bcm7xxx: Fix shadow mode 2 disabling
- LP: #1563345
* net/mlx4_en: Count HW buffer overrun only once
- LP: #1563345
* net/mlx4_en: Choose time-stamping shift value according to HW frequency
- LP: #1563345
* net/mlx4_en: Avoid changing dev->features directly in run-time
- LP: #1563345
* unix_diag: fix incorrect sign extension in unix_lookup_by_ino
- LP: #1563345
* af_iucv: Validate socket address length in iucv_sock_bind()
- LP: #1563345
* net: dp83640: Fix tx timestamp overflow handling.
- LP: #1563345
* tcp: fix NULL deref in tcp_v4_send_ack()
- LP: #1563345
* ipv6/udp: use sticky pktinfo egress ifindex on connect()
- LP: #1563345
* net/ipv6: add sysctl option accept_ra_min_hop_limit
- LP: #1563345
* net:Add sysctl_max_skb_frags
- LP: #1563345
* tg3: Fix for tg3 transmit queue 0 timed out when too many gso_segs
- LP: #1563345
* ipv4: fix memory leaks in ip_cmsg_send() callers
- LP: #1563345
* qmi_wwan: add "4G LTE usb-modem U901"
- LP: #1563345
* pppoe: fix reference counting in PPPoE proxy
- LP: #1563345
* route: check and remove route cache when we get route
- LP: #1563345
* rtnl: RTM_GETNETCONF: fix wrong return value
- LP: #1563345
* sctp: Fix port hash table size computation
- LP: #1563345
* target: Fix LUN_RESET active TMR descriptor handling
- LP: #1563345
* target: Fix LUN_RESET active I/O handling for ACK_KREF
- LP: #1563345
* target: Fix TAS handling for multi-session se_node_acls
- LP: #1563345
* target: Fix remote-port TMR ABORT + se_cmd fabric stop
- LP: #1563345
* target: Fix race with SCF_SEND_DELAYED_TAS handling
- LP: #1563345
* libata: fix HDIO_GET_32BIT ioctl
- LP: #1563345
* [media] adv7604: fix tx 5v detect regression
- LP: #1563345
* usb: chipidea: otg: change workqueue ci_otg as freezable
- LP: #1563345
* jffs2: Fix page lock / f->sem deadlock
- LP: #1563345
* Fix directory hardlinks from deleted directories
- LP: #1563345
* iommu/amd: Fix boot warning when device 00:00.0 is not iommu covered
- LP: #1563345
* libata: Align ata_device's id on a cacheline
- LP: #1563345
* vfio: fix ioctl error handling
- LP: #1563345
* ALSA: ctl: Fix ioctls for X32 ABI
- LP: #1563345
* ALSA: rawmidi: Fix ioctls X32 ABI
- LP: #1563345
* ALSA: timer: Fix broken compat timer user status ioctl
- LP: #1563345
* ALSA: timer: Fix ioctls for X32 ABI
- LP: #1563345
* cifs: fix out-of-bounds access in lease parsing
- LP: #1563345
* CIFS: Fix SMB2+ interim response processing for read requests
- LP: #1563345
* Fix cifs_uniqueid_to_ino_t() function for s390x
- LP: #1563345
* arm/arm64: KVM: Fix ioctl error handling
- LP: #1563345
* ALSA: hdspm: Fix wrong boolean ctl value accesses
- LP: #1563345
* ALSA: hdspm: Fix zero-division
- LP: #1563345
* ALSA: hdsp: Fix wrong boolean ctl value accesses
- LP: #1563345
* USB: qcserial: add Dell Wireless 5809e Gobi 4G HSPA+ (rev3)
- LP: #1563345
* USB: cp210x: Add ID for Parrot NMEA GPS Flight Recorder
- LP: #1563345
* USB: serial: option: add support for Telit LE922 PID 0x1045
- LP: #1563345
* USB: serial: option: add support for Quectel UC20
- LP: #1563345
* ALSA: seq: oss: Don't drain at closing a client
- LP: #1563345
* drm/ast: Fix incorrect register check for DRAM width
- LP: #1563345
* USB: qcserial: add Sierra Wireless EM74xx device ID
- LP: #1563345
* drm/radeon/pm: update current crtc info after setting the powerstate
- LP: #1563345
* PM / sleep / x86: Fix crash on graph trace through x86 suspend
- LP: #1563345
* ALSA: hda - Fix mic issues on Acer Aspire E1-472
- LP: #1563345
* MIPS: traps: Fix SIGFPE information leak from `do_ov' and
`do_trap_or_bp'
- LP: #1563345
* ubi: Fix out of bounds write in volume update code
- LP: #1563345
* gpio: rcar: Add Runtime PM handling for interrupts
- LP: #1563345
* IB/core: Use GRH when the path hop-limit > 0
- LP: #1563345
* wext: fix message delay/ordering
- LP: #1563345
* cfg80211/wext: fix message ordering
- LP: #1563345
* mac80211: fix use of uninitialised values in RX aggregation
- LP: #1563345
* mac80211: minstrel_ht: set default tx aggregation timeout to 0
- LP: #1563345
* can: gs_usb: fixed disconnect bug by removing erroneous use of kfree()
- LP: #1563345
* ASoC: wm8958: Fix enum ctl accesses in a wrong type
- LP: #1563345
* ASoC: wm8994: Fix enum ctl accesses in a wrong type
- LP: #1563345
* ASoC: wm_adsp: Fix enum ctl accesses in a wrong type
- LP: #1563345
* target: Drop incorrect ABORT_TASK put for completed commands
- LP: #1563345
* KVM: PPC: Book3S HV: Sanitize special-purpose register values on guest
exit
- LP: #1563345
* KVM: VMX: disable PEBS before a guest entry
- LP: #1563345
* tcp: convert cached rtt from usec to jiffies when feeding initial rto
- LP: #1563345
* net/mlx4_core: Allow resetting VF admin mac to zero
- LP: #1563345
* mld, igmp: Fix reserved tailroom calculation
- LP: #1563345
* ipv6: re-enable fragment header matching in ipv6_find_hdr
- LP: #1563345
* net: moxa: fix an error code
- LP: #1563345
* cdc_ncm: do not call usbnet_link_change from cdc_ncm_bind
- LP: #1563345
* ext4: iterate over buffer heads correctly in move_extent_per_page()
- LP: #1563345
* Input: aiptek - fix crash on detecting device without endpoints
- LP: #1563345
* AIO: properly check iovec sizes
- LP: #1563345
* bcache: add mutex lock for bch_is_open
- LP: #1563345
* KVM: x86: move steal time initialization to vcpu entry time
- LP: #1563345
* lib/ucs2_string: Add ucs2 -> utf8 helper functions
- LP: #1563345
* efi: Use ucs2_as_utf8 in efivarfs instead of open coding a bad version
- LP: #1563345
* efi: Do variable name validation tests in utf8
- LP: #1563345
* efi: Make our variable validation list include the guid
- LP: #1563345
* efi: Make efivarfs entries immutable by default
- LP: #1563345
* efi: Add pstore variables to the deletion whitelist
- LP: #1563345
* lib/ucs2_string: Correct ucs2 -> utf8 conversion
- LP: #1563345
* tracing: Fix check for cpu online when event is disabled
- LP: #1563345
* Linux 3.16.7-ckt26
- LP: #1563345
* ceph: fix request time stamp encoding
- LP: #1564950
* ipv4: Don't do expensive useless work during inetdev destroy.
- LP: #1570872
* Input: powermate - fix oops with malicious USB descriptors
- LP: #1570872
* USB: iowarrior: fix oops with malicious USB descriptors
- LP: #1570872
* ALSA: usb-audio: Fix NULL dereference in create_fixed_stream_quirk()
- LP: #1570872
* ALSA: usb-audio: Add sanity checks for endpoint accesses
- LP: #1570872
* include/linux/poison.h: fix LIST_POISON{1,2} offset
- LP: #1570872
* cpu: Defer smpboot kthread unparking until CPU known to scheduler
- LP: #1570872
* ipr: Fix out-of-bounds null overwrite
- LP: #1570872
* ipr: Fix regression when loading firmware
- LP: #1570872
* Input: ati_remote2 - fix crashes on detecting device with invalid
descriptor
- LP: #1570872
* USB: cdc-acm: more sanity checking
- LP: #1570872
* cpu: Provide smpboot_thread_init() on !CONFIG_SMP kernels as well
- LP: #1570872
* x86/iopl/64: Properly context-switch IOPL on Xen PV
- LP: #1570872
* staging: comedi: ni_tiocmd: change mistaken use of start_src for
start_arg
- LP: #1570872
* drm/radeon: hold reference to fences in radeon_sa_bo_new (3.17 and
older)
- LP: #1570872
* Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors
- LP: #1570872
* Linux 3.16.7-ckt27
- LP: #1570872
-- Kamal Mostafa <kamal@xxxxxxxxxxxxx> Mon, 18 Apr 2016 11:51:24 -0700
** Changed in: linux-lts-vivid (Ubuntu Trusty)
Status: New => Fix Released
--
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https://bugs.launchpad.net/bugs/1564950
Title:
Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu
14.04
Status in linux package in Ubuntu:
In Progress
Status in linux-lts-utopic package in Ubuntu:
New
Status in linux-lts-vivid package in Ubuntu:
New
Status in linux-lts-utopic source package in Trusty:
Fix Released
Status in linux-lts-vivid source package in Trusty:
Fix Released
Status in linux source package in Vivid:
Fix Released
Bug description:
Reported by Dennis Kramer at http://tracker.ceph.com/issues/15302
----------
Nowadays i'm getting a kernel panic when i use the vivid-lts (3.19.x)
kernel on ubuntu 14.04 after I try to mount cephfs. Log indicates:
kernel BUG at /build/linux-lts-vivid-ZTSmDy/linux-lts-vivid-3.19.0/fs/ceph/mds_client.c:1928[ 27.305173] kernel BUG at /build/linux-lts-vivid-ZTSmDy/linux-lts-vivid-3.19.0/fs/ceph/mds_client.c:1928!
[ 27.307226] invalid opcode: 0000 [#1] SMP
[ 27.307599] Modules linked in: ceph libceph libcrc32c fscache ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_crypt ppdev parport_pc 8250_fintek pvpanic serio_raw joydev parport i2c_piix4 mac_hid hid_generic usbhid hid syscopyarea sysfillrect sysimgblt ttm drm_kms_helper psmouse drm pata_acpi floppy
[ 27.307599] CPU: 0 PID: 118 Comm: kworker/0:2 Not tainted 3.19.0-56-generic #62~14.04.1-Ubuntu
[ 27.307599] Hardware name: OpenStack Foundation OpenStack Nova, BIOS 1.7.5-20150310_111955-batsu 04/01/2014
[ 27.307599] Workqueue: ceph-msgr con_work [libceph]
[ 27.307599] task: ffff88007ca0ce80 ti: ffff88003657c000 task.ti: ffff88003657c000
[ 27.307599] RIP: 0010:[<ffffffffc02e3ed0>] [<ffffffffc02e3ed0>] __prepare_send_request+0x7d0/0x800 [ceph]
[ 27.307599] RSP: 0018:ffff88003657fb48 EFLAGS: 00010283
[ 27.307599] RAX: ffff880077e1bb02 RBX: ffff8800364af000 RCX: 0000000000000000
[ 27.307599] RDX: 0000000038a516d3 RSI: 0000000000000000 RDI: ffff880077e1baf2
[ 27.307599] RBP: ffff88003657fbe8 R08: 0000000000000000 R09: 0000000000000000
[ 27.307599] R10: ffffffffc0275fe6 R11: 0000000000000000 R12: ffff88007873c700
[ 27.307599] R13: ffff880078458000 R14: 0000000000000000 R15: ffff880077e1ba80
[ 27.307599] FS: 0000000000000000(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
[ 27.307599] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 27.307599] CR2: 00007ff6e2973000 CR3: 0000000036387000 CR4: 00000000000006f0
[ 27.307599] Stack:
[ 27.307599] ffff88003657fb8c ffffffffc02e1109 0100000000000015 0000000000000001
[ 27.307599] ffff8800362e0118 ffff880077e1bafa ffff88003657fbe8 0000000000000000
[ 27.307599] 0000000000000000 ffff8800362e0118 0000000000000000 0000000000000001
[ 27.307599] Call Trace:
[ 27.307599] [<ffffffffc02e1109>] ? __choose_mds+0x119/0x470 [ceph]
[ 27.307599] [<ffffffffc02e4130>] __do_request+0x230/0x310 [ceph]
[ 27.307599] [<ffffffffc02e4288>] __wake_requests+0x78/0xb0 [ceph]
[ 27.307599] [<ffffffffc02e7430>] dispatch+0x550/0xad0 [ceph]
[ 27.307599] [<ffffffffc027abbb>] try_read+0x4cb/0x10f0 [libceph]
[ 27.307599] [<ffffffff810ab41e>] ? dequeue_task_fair+0x44e/0x660
[ 27.307599] [<ffffffff810ac171>] ? put_prev_entity+0x31/0x3f0
[ 27.307599] [<ffffffff810a41c8>] ? sched_clock_cpu+0x98/0xc0
[ 27.307599] [<ffffffffc027b899>] con_work+0xb9/0x620 [libceph]
[ 27.307599] [<ffffffff8108dc8f>] process_one_work+0x14f/0x400
[ 27.307599] [<ffffffff8108e428>] worker_thread+0x118/0x510
[ 27.307599] [<ffffffff8108e310>] ? rescuer_thread+0x3d0/0x3d0
[ 27.307599] [<ffffffff81093902>] kthread+0xd2/0xf0
[ 27.307599] [<ffffffff81093830>] ? kthread_create_on_node+0x1c0/0x1c0
[ 27.307599] [<ffffffff817b8b98>] ret_from_fork+0x58/0x90
[ 27.307599] [<ffffffff81093830>] ? kthread_create_on_node+0x1c0/0x1c0
[ 27.307599] Code: e9 27 f9 ff ff 44 89 a3 70 02 00 00 48 89 de 4c 89 ef 44 89 65 88 e8 a0 c3 ff ff 8b 45 88 e9 09 f9 ff ff 4c 63 e0 e9 d9 f9 ff ff <0f> 0b 49 8b 8f 98 fc ff ff 4d 8b 87 a0 fc ff ff 4c 89 fa 48 c7
[ 27.307599] RIP [<ffffffffc02e3ed0>] __prepare_send_request+0x7d0/0x800 [ceph]
[ 27.307599] RSP <ffff88003657fb48>
[ 27.379039] ---[ end trace 1928182fad693b4d ]---
[ 27.379983] BUG: unable to handle kernel paging request at ffffffffffffffd8
[ 27.381275] IP: [<ffffffff81094000>] kthread_data+0x10/0x20
[ 27.382382] PGD 1c19067 PUD 1c1b067 PMD 0
[ 27.383004] Oops: 0000 [#2] SMP
[ 27.383004] Modules linked in: ceph libceph libcrc32c fscache ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_crypt ppdev parport_pc 8250_fintek pvpanic serio_raw joydev parport i2c_piix4 mac_hid hid_generic usbhid hid syscopyarea sysfillrect sysimgblt ttm drm_kms_helper psmouse drm pata_acpi floppy
[ 27.383004] CPU: 0 PID: 118 Comm: kworker/0:2 Tainted: G D 3.19.0-56-generic #62~14.04.1-Ubuntu
[ 27.383004] Hardware name: OpenStack Foundation OpenStack Nova, BIOS 1.7.5-20150310_111955-batsu 04/01/2014
[ 27.383004] task: ffff88007ca0ce80 ti: ffff88003657c000 task.ti: ffff88003657c000
[ 27.383004] RIP: 0010:[<ffffffff81094000>] [<ffffffff81094000>] kthread_data+0x10/0x20
[ 27.383004] RSP: 0018:ffff88003657f7c8 EFLAGS: 00010096
[ 27.383004] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000000d
[ 27.383004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88007ca0ce80
[ 27.383004] RBP: ffff88003657f7c8 R08: 0000000000000000 R09: 0000000000000246
[ 27.383004] R10: ffffffff810721a4 R11: ffffea0001dfba00 R12: ffff88007ca0d3a0
[ 27.383004] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88007ca0ce80
[ 27.383004] FS: 0000000000000000(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
[ 27.383004] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 27.383004] CR2: 0000000000000028 CR3: 0000000036387000 CR4: 00000000000006f0
[ 27.383004] Stack:
[ 27.383004] ffff88003657f7e8 ffffffff8108ed05 ffff88003657f7e8 ffff88007fc13e80
[ 27.383004] ffff88003657f858 ffffffff817b45fb ffff88007ca0ce80 0000000000013e80
[ 27.383004] ffff88003657ffd8 0000000000013e80 0000000000000004 ffff88007ca0ce80
[ 27.383004] Call Trace:
[ 27.383004] [<ffffffff8108ed05>] wq_worker_sleeping+0x15/0xa0
[ 27.383004] [<ffffffff817b45fb>] __schedule+0x5bb/0x820
[ 27.383004] [<ffffffff817b4889>] schedule+0x29/0x70
[ 27.383004] [<ffffffff810777ff>] do_exit+0x69f/0xb00
[ 27.383004] [<ffffffff810187f8>] oops_end+0xa8/0x120
[ 27.383004] [<ffffffff81018deb>] die+0x4b/0x70
[ 27.383004] [<ffffffff810153a0>] do_trap+0xb0/0x150
[ 27.383004] [<ffffffff81015a37>] do_error_trap+0x97/0x150
[ 27.383004] [<ffffffffc02e3ed0>] ? __prepare_send_request+0x7d0/0x800 [ceph]
[ 27.383004] [<ffffffff810160c0>] do_invalid_op+0x20/0x30
[ 27.383004] [<ffffffff817ba7be>] invalid_op+0x1e/0x30
[ 27.383004] [<ffffffffc0275fe6>] ? ceph_kvmalloc+0x26/0x50 [libceph]
[ 27.383004] [<ffffffffc02e3ed0>] ? __prepare_send_request+0x7d0/0x800 [ceph]
[ 27.383004] [<ffffffffc02e3a44>] ? __prepare_send_request+0x344/0x800 [ceph]
[ 27.383004] [<ffffffffc02e1109>] ? __choose_mds+0x119/0x470 [ceph]
[ 27.383004] [<ffffffffc02e4130>] __do_request+0x230/0x310 [ceph]
[ 27.383004] [<ffffffffc02e4288>] __wake_requests+0x78/0xb0 [ceph]
[ 27.383004] [<ffffffffc02e7430>] dispatch+0x550/0xad0 [ceph]
[ 27.383004] [<ffffffffc027abbb>] try_read+0x4cb/0x10f0 [libceph]
[ 27.383004] [<ffffffff810ab41e>] ? dequeue_task_fair+0x44e/0x660
[ 27.383004] [<ffffffff810ac171>] ? put_prev_entity+0x31/0x3f0
[ 27.383004] [<ffffffff810a41c8>] ? sched_clock_cpu+0x98/0xc0
[ 27.383004] [<ffffffffc027b899>] con_work+0xb9/0x620 [libceph]
[ 27.383004] [<ffffffff8108dc8f>] process_one_work+0x14f/0x400
[ 27.383004] [<ffffffff8108e428>] worker_thread+0x118/0x510
[ 27.383004] [<ffffffff8108e310>] ? rescuer_thread+0x3d0/0x3d0
[ 27.383004] [<ffffffff81093902>] kthread+0xd2/0xf0
[ 27.383004] [<ffffffff81093830>] ? kthread_create_on_node+0x1c0/0x1c0
[ 27.383004] [<ffffffff817b8b98>] ret_from_fork+0x58/0x90
[ 27.383004] [<ffffffff81093830>] ? kthread_create_on_node+0x1c0/0x1c0
[ 27.383004] Code: 00 48 89 e5 5d 48 8b 40 c8 48 c1 e8 02 83 e0 01 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 87 c8 04 00 00 55 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
[ 27.383004] RIP [<ffffffff81094000>] kthread_data+0x10/0x20
[ 27.383004] RSP <ffff88003657f7c8>
[ 27.383004] CR2: ffffffffffffffd8
[ 27.383004] ---[ end trace 1928182fad693b4e ]---
[ 27.383004] Fixing recursive fault but reboot is needed!
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References