*** This bug is a duplicate of bug 1275116 ***
https://bugs.launchpad.net/bugs/1275116
** This bug has been marked a duplicate of bug 1275116
lowlatency-flavour crashes and locks up alot
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https://bugs.launchpad.net/bugs/1269404
Title:
BUG: soft lockup - CPU#2 stuck for 22s! [systemd-udevd:546]
Status in “linux” package in Ubuntu:
Confirmed
Status in “linux” source package in Trusty:
Confirmed
Bug description:
I'm using Ubuntu 14.04 Trusty Tahr 64 bit and my laptop (Dell XPS
L702x using Nvidia Optimus) can't boot starting with kernel 3.13
(I've tried all three updates: 3.13.0-1-generic, 3.13.0-2-generic and
3.13.0-3-generic). When booting, I get this error: "BUG: soft lockup -
CPU#2 stuck for 22s! [systemd-udevd:546]"
Booting the old 3.12 (3.12.0-8-generic) kernel works.
Here's the relevant part from syslog:
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136613] BUG: soft lockup -
CPU#2 stuck for 22s! [systemd-udevd:546]
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136638] Modules linked in:
parport_pc ppdev rfcomm bnep uvcvideo videobuf2_vmalloc videobuf2_memops
videobuf2_core btusb videodev bluetooth snd_hda_codec_hdmi
snd_hda_codec_realtek binfmt_misc joydev ip6t_REJECT xt_hl ip6t_rt
nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT xt_LOG xt_limit xt_tcpudp
xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 nvidia(POF) xt_conntrack
ip6table_filter dell_wmi sparse_keymap ip6_tables nf_conntrack_netbios_ns arc4
nf_conntrack_broadcast snd_hda_intel nf_nat_ftp nf_nat snd_hda_codec
nf_conntrack_ftp nf_conntrack intel_rapl iwldvm iptable_filter snd_hwdep
x86_pkg_temp_thermal dell_laptop ip_tables intel_powerclamp dcdbas snd_pcm
mac80211 x_tables kvm_intel snd_page_alloc kvm snd_seq_midi snd_seq_midi_event
snd_rawmidi i915 snd_seq crct10dif_pclmul crc32_pclmul iwlwifi
ghash_clmulni_intel snd_seq_device aesni_intel snd_timer aes_x86_64 lrw
gf128mul cfg80211 glue_helper ablk_helper drm_kms_helper snd cryptd mei_me drm
mei i2c_algo_bit psmouse soundcore wmi lpc_ich serio_raw mac_hid video coretemp
lp parport hid_generic usbhid hid microcode ahci r8169 libahci mii
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136678] CPU: 2 PID: 546 Comm:
systemd-udevd Tainted: PF W O 3.13.0-3-generic #18-Ubuntu
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136679] Hardware name: Dell
Inc. Dell System XPS L702X/0XN71K, BIOS A18 06/18/2012
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136681] task: ffff880423d5e000
ti: ffff880036b4a000 task.ti: ffff880036b4a000
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136682] RIP:
0010:[<ffffffff810d98c8>] [<ffffffff810d98c8>]
smp_call_function_many+0x268/0x2d0
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136687] RSP:
0018:ffff880036b4bb78 EFLAGS: 00000202
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136688] RAX: 0000000000000006
RBX: ffff880036b4bb28 RCX: ffff88043e5981d0
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136689] RDX: 0000000000000006
RSI: 0000000000000100 RDI: 0000000000000000
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136690] RBP: ffff880036b4bbc8
R08: ffff88043e495348 R09: 0000000000000004
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136691] R10: ffff88043e495348
R11: 29312e312e312820 R12: ffffffff81362dd4
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136692] R13: ffff880036b4bb40
R14: ffffffff81ec810d R15: ffffffff81a5ef2d
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136693] FS:
00007f192e8ca880(0000) GS:ffff88043e480000(0000) knlGS:0000000000000000
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136694] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136695] CR2: 0000000000f76068
CR3: 0000000036935000 CR4: 00000000000407e0
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136697] Stack:
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136697] ffff88043e495368
0000000000015300 0000000000000000 ffffffff81059da0
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136700] 0000010000000001
000000000000011b ffffffff81059da0 0000000000000000
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136702] ffff88043e5d08a8
ffff88043e5d0808 ffff880036b4bbf0 ffffffff810d9a8d
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136704] Call Trace:
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136708] [<ffffffff81059da0>] ?
flush_tlb_func+0xc0/0xc0
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136710] [<ffffffff81059da0>] ?
flush_tlb_func+0xc0/0xc0
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136712] [<ffffffff810d9a8d>]
on_each_cpu+0x2d/0x60
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136715] [<ffffffff8105a1fa>]
flush_tlb_kernel_range+0x4a/0x70
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136719] [<ffffffff81182af5>]
__purge_vmap_area_lazy+0x335/0x430
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136722] [<ffffffff81182d52>]
vm_unmap_aliases+0x162/0x180
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136724] [<ffffffff81056427>]
change_page_attr_set_clr+0xb7/0x470
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136726] [<ffffffff8171134c>] ?
notifier_call_chain+0x4c/0x70
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136728] [<ffffffff81056823>]
set_memory_x+0x43/0x50
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136731] [<ffffffff810db40b>]
unset_module_init_ro_nx+0x6b/0x80
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136734] [<ffffffff810dfa9b>]
load_module+0x139b/0x1b40
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136736] [<ffffffff810db460>] ?
store_uevent+0x40/0x40
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136739] [<ffffffff810e03b6>]
SyS_finit_module+0x86/0xb0
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136742] [<ffffffff81715a3f>]
tracesys+0xe1/0xe6
Jan 15 14:27:05 ubuntu-desktop kernel: [ 36.136743] Code: d2 e8 5d 00 29 00
3b 05 9f 7e c4 00 89 c2 0f 8d 25 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 c0 f8
d1 81 f6 41 20 01 74 cb 0f 1f 00 <f3> 90 f6 41 20 01 75 f8 eb be 0f b6 4d d0 48
8b 55 c0 44 89 ef
Jan 15 14:27:24 ubuntu-desktop NetworkManager[1269]: <warn> (eth0): DHCPv4
request timed out.
Jan 15 14:27:27 ubuntu-desktop NetworkManager[1269]: <warn> (eth0): DHCP
client pid 1343 didn't exit, will kill it.
Jan 15 14:27:32 ubuntu-desktop kernel: [ 62.429213] nf_conntrack: automatic
helper assignment is deprecated and it will be removed soon. Use the iptables
CT target to attach helpers instead.
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105866] BUG: soft lockup -
CPU#2 stuck for 22s! [systemd-udevd:546]
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105893] Modules linked in:
parport_pc ppdev rfcomm bnep uvcvideo videobuf2_vmalloc videobuf2_memops
videobuf2_core btusb videodev bluetooth snd_hda_codec_hdmi
snd_hda_codec_realtek binfmt_misc joydev ip6t_REJECT xt_hl ip6t_rt
nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT xt_LOG xt_limit xt_tcpudp
xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 nvidia(POF) xt_conntrack
ip6table_filter dell_wmi sparse_keymap ip6_tables nf_conntrack_netbios_ns arc4
nf_conntrack_broadcast snd_hda_intel nf_nat_ftp nf_nat snd_hda_codec
nf_conntrack_ftp nf_conntrack intel_rapl iwldvm iptable_filter snd_hwdep
x86_pkg_temp_thermal dell_laptop ip_tables intel_powerclamp dcdbas snd_pcm
mac80211 x_tables kvm_intel snd_page_alloc kvm snd_seq_midi snd_seq_midi_event
snd_rawmidi i915 snd_seq crct10dif_pclmul crc32_pclmul iwlwifi
ghash_clmulni_intel snd_seq_device aesni_intel snd_timer aes_x86_64 lrw
gf128mul cfg80211 glue_helper ablk_helper drm_kms_helper snd cryptd mei_me drm
mei i2c_algo_bit psmouse soundcore wmi lpc_ich serio_raw mac_hid video coretemp
lp parport hid_generic usbhid hid microcode ahci r8169 libahci mii
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105945] CPU: 2 PID: 546 Comm:
systemd-udevd Tainted: PF W O 3.13.0-3-generic #18-Ubuntu
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105947] Hardware name: Dell
Inc. Dell System XPS L702X/0XN71K, BIOS A18 06/18/2012
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105948] task: ffff880423d5e000
ti: ffff880036b4a000 task.ti: ffff880036b4a000
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105950] RIP:
0010:[<ffffffff810d98ce>] [<ffffffff810d98ce>]
smp_call_function_many+0x26e/0x2d0
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105955] RSP:
0018:ffff880036b4bb78 EFLAGS: 00000202
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105956] RAX: 0000000000000006
RBX: ffff880036b4bb28 RCX: ffff88043e5981d0
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105957] RDX: 0000000000000006
RSI: 0000000000000100 RDI: 0000000000000000
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105958] RBP: ffff880036b4bbc8
R08: ffff88043e495348 R09: 0000000000000004
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105959] R10: ffff88043e495348
R11: 29312e312e312820 R12: ffffffff81362dd4
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105960] R13: ffff880036b4bb40
R14: ffffffff81ec810d R15: ffffffff81a5ef2d
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105961] FS:
00007f192e8ca880(0000) GS:ffff88043e480000(0000) knlGS:0000000000000000
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105962] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105963] CR2: 0000000000f76068
CR3: 0000000036935000 CR4: 00000000000407e0
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105964] Stack:
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105966] ffff88043e495368
0000000000015300 0000000000000000 ffffffff81059da0
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105968] 0000010000000001
000000000000011b ffffffff81059da0 0000000000000000
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105970] ffff88043e5d08a8
ffff88043e5d0808 ffff880036b4bbf0 ffffffff810d9a8d
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105972] Call Trace:
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105978] [<ffffffff81059da0>] ?
flush_tlb_func+0xc0/0xc0
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105980] [<ffffffff81059da0>] ?
flush_tlb_func+0xc0/0xc0
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105982] [<ffffffff810d9a8d>]
on_each_cpu+0x2d/0x60
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105984] [<ffffffff8105a1fa>]
flush_tlb_kernel_range+0x4a/0x70
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105988] [<ffffffff81182af5>]
__purge_vmap_area_lazy+0x335/0x430
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105991] [<ffffffff81182d52>]
vm_unmap_aliases+0x162/0x180
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105993] [<ffffffff81056427>]
change_page_attr_set_clr+0xb7/0x470
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105997] [<ffffffff8171134c>] ?
notifier_call_chain+0x4c/0x70
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.105999] [<ffffffff81056823>]
set_memory_x+0x43/0x50
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.106002] [<ffffffff810db40b>]
unset_module_init_ro_nx+0x6b/0x80
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.106005] [<ffffffff810dfa9b>]
load_module+0x139b/0x1b40
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.106007] [<ffffffff810db460>] ?
store_uevent+0x40/0x40
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.106010] [<ffffffff810e03b6>]
SyS_finit_module+0x86/0xb0
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.106013] [<ffffffff81715a3f>]
tracesys+0xe1/0xe6
Jan 15 14:27:33 ubuntu-desktop kernel: [ 64.106014] Code: 3b 05 9f 7e c4 00
89 c2 0f 8d 25 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 c0 f8 d1 81 f6 41 20 01
74 cb 0f 1f 00 f3 90 f6 41 20 01 <75> f8 eb be 0f b6 4d d0 48 8b 55 c0 44 89 ef
48 8b 75 c8 e8 ea
Jan 15 14:27:37 ubuntu-desktop kernel: [ 68.069508] INFO: rcu_sched
detected stalls on CPUs/tasks: { 6} (detected by 4, t=15002 jiffies, g=357,
c=356, q=0)
Jan 15 14:27:37 ubuntu-desktop kernel: [ 68.069560] sending NMI to all CPUs:
Jan 15 14:27:37 ubuntu-desktop kernel: [ 68.069564] NMI backtrace for cpu 6
Jan 15 14:27:37 ubuntu-desktop kernel: [ 68.069568] CPU: 6 PID: 102 Comm:
irq/23-ehci_hcd Tainted: PF W O 3.13.0-3-generic #18-Ubuntu
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-headers-3.13.0-3-generic 3.13.0-3.18
ProcVersionSignature: Ubuntu 3.12.0-8.16-generic 3.12.6
Uname: Linux 3.12.0-8-generic x86_64
ApportVersion: 2.13.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: andrei 5038 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Jan 15 14:51:37 2014
HibernationDevice: RESUME=UUID=92e5858f-a853-468f-b8fe-c95d3a2f4242
InstallationDate: Installed on 2012-12-30 (381 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: Dell Inc. Dell System XPS L702X
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.12.0-8-generic
root=UUID=1cd2fc4f-7d99-4c7a-8ea7-6f9a2d4e5960 ro quiet splash threadirqs
pcie_aspm=force i915.i915_enable_rc6=1
RelatedPackageVersions:
linux-restricted-modules-3.12.0-8-generic N/A
linux-backports-modules-3.12.0-8-generic N/A
linux-firmware 1.121
SourcePackage: linux
StagingDrivers: zram
UpgradeStatus: Upgraded to trusty on 2013-01-12 (367 days ago)
dmi.bios.date: 06/18/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A18
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 0XN71K
dmi.board.vendor: Dell Inc.
dmi.board.version: FAB1
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA18:bd06/18/2012:svnDellInc.:pnDellSystemXPSL702X:pvr:rvnDellInc.:rn0XN71K:rvrFAB1:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS L702X
dmi.sys.vendor: Dell Inc.
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