[Kernel-packages] [Bug 887793] Re: [HP 6710b] Kworker constantly taking about 100% CPU

2014-06-30 Thread whtvd133 
The problem also appears with longterm kernel 3.2.57

root@logserver:/sys/module# cat /proc/version_signature 
Ubuntu 3.2.0-63.95-generic 3.2.57

root   463  0.0  0.0  0 0 ?SJun29   0:04 [kworker/18:1]
root   465 17138717  0.0  0 0 ?SJun29 21114581:36 
[kworker/5:1]
root   468  0.0  0.0  0 0 ?SJun29   0:11 [kworker/14:1]

-- 
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/887793

Title:
  [HP 6710b] Kworker constantly taking about 100% CPU

Status in “linux” package in Ubuntu:
  Invalid

Bug description:
  I've this issue since the latest Ubuntu 11.10 version, all updates
  applied till today, and it's still there. Ubuntu 11.04 did not have
  this issue.

  If I run top there is a Kworker constantly taking much CPU, I don't
  know how to research where this comes from.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: linux-image-3.0.0-12-generic 3.0.0-12.20
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
    List of PLAYBACK Hardware Devices 
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  ArecordDevices:
    List of CAPTURE Hardware Devices 
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  kp 1473 F pulseaudio
  CRDA: Error: [Errno 2] Bestand of map bestaat niet
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xe4404000 irq 46'
 Mixer name : 'Analog Devices AD1981'
 Components : 'HDA:11d41981,103c30c0,00100200 
HDA:11c11040,103c1378,00100200'
 Controls  : 11
 Simple ctrls  : 9
  Date: Tue Nov  8 22:29:10 2011
  HibernationDevice: RESUME=UUID=ad8d4a18-9fe4-4246-ba44-85cf6b4dace5
  InstallationMedia: Ubuntu 11.10 Oneiric Ocelot - Release i386 (20111012)
  MachineType: Hewlett-Packard HP Compaq 6710b (GB891ET#ABH)
  PccardctlIdent:
   Socket 0:
 no product info available
  PccardctlStatus:
   Socket 0:
 no card
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic 
root=UUID=686d2155-83a9-4743-a2a4-8e9570ee3da6 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-12-generic N/A
   linux-backports-modules-3.0.0-12-generic  N/A
   linux-firmware1.60
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/15/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68DDU Ver. F.15
  dmi.board.name: 30C0
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 71.2E
  dmi.chassis.asset.tag: CNU72913PH
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvr68DDUVer.F.15:bd01/15/2009:svnHewlett-Packard:pnHPCompaq6710b(GB891ET#ABH):pvrF.15:rvnHewlett-Packard:rn30C0:rvrKBCVersion71.2E:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq 6710b (GB891ET#ABH)
  dmi.product.version: F.15
  dmi.sys.vendor: Hewlett-Packard

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793/+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

[Kernel-packages] [Bug 1328866] [NEW] rcu_bh detected stall alway occur

2014-06-11 Thread whtvd133 
Public bug reported:

I have many server running on Ubuntu 12.04 LTS kernel 3.2.0-23-generic,
but something strange happened in recently. [rcu_bh detected stall]  happend 
many times.Sometime kernel will die,sometime just a warning in dmesg when 
[rcu_bh detected stall] happen.

**
server information:
kernel: Ubuntu 3.2.0-23.36-generic 3.2.14
CPU: Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
Intel Corporation I350 Gigabit Network Connection

**
Jun 11 15:44:10  [14380700.988692] INFO: rcu_bh detected stall on CPU 19 (t=0 
jiffies)
Jun 11 15:44:10  [14380700.994604] sending NMI to all CPUs:
Jun 11 15:44:10  [14380701.000547] NMI backtrace for cpu 0
Jun 11 15:44:10  [14380701.006244] CPU 0 
Jun 11 15:44:10  
Jun 11 15:44:10  [14380701.006321] Modules linked in:
.
.
.
un 11 15:44:16  [14380702.300237] NMI backtrace for cpu 19
Jun 11 15:44:16  [14380702.300239] CPU 19 
Jun 11 15:44:16  [14380702.300240] Modules linked in: iptable_raw netconsole 
configfs tcp_diag inet_diag mptctl mptbase xt_multiport nf_conntrack_ipv4 
nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables bnep 
rfcomm bluetooth vesafb ipmi_poweroff ipmi_watchdog ipmi_devintf ipmi_si 
ipmi_msghandler joydev sb_edac lp parport acpi_pad edac_core mac_hid ioatdma 
wmi usbhid hid mpt2sas scsi_transport_sas igb dca raid_class
Jun 11 15:44:16  [14380702.300366] 
Jun 11 15:44:16  [14380702.300373] Pid: 0, comm: swapper/19 Tainted: G  
 O 3.2.0-23-generic #36-Ubuntu /
Jun 11 15:44:16  [14380702.300390] RIP: 0010:[81036b8b]  
[81036b8b] __x2apic_send_IPI_mask+0x15b/0x180
Jun 11 15:44:16  [14380702.300436] igb :05:00.0: Detected Tx Unit Hang
Jun 11 15:44:16  [14380702.300439]   Tx Queue 1
Jun 11 15:44:16  [14380702.300440]   TDH  f4b
Jun 11 15:44:16  [14380702.300442]   TDT  f4b
Jun 11 15:44:16  [14380702.300452]   next_to_use  f4b
Jun 11 15:44:16  [14380702.300454]   next_to_cleandfd
Jun 11 15:44:16  [14380702.300455] buffer_info[next_to_clean]
Jun 11 15:44:16  [14380702.300457]   time_stamp   1d6b49a03
Jun 11 15:44:16  [14380702.300467]   next_to_watch88084a14dfe0
Jun 11 15:44:16  [14380702.300469]   jiffies  1d6b49b48
Jun 11 15:44:16  [14380702.300471]   desc.status  108201
Jun 11 15:44:16  [14380702.300486] RSP: 0018:88107fce3d38  EFLAGS: 0087
Jun 11 15:44:16  [14380702.300500] RAX: 0100 RBX: 88107fcedb80 
RCX: 0007
Jun 11 15:44:16  [14380702.300503] RDX: 0007 RSI: 0100 
RDI: 
Jun 11 15:44:16  [14380702.300505] RBP: 88107fce3d98 R08: 88107fcedba0 
R09: 0100
Jun 11 15:44:16  [14380702.300508] R10: 2b300055 R11:  
R12: 88107fc0dba0
Jun 11 15:44:16  [14380702.300510] R13: dbc0 R14: 0008 
R15: 00020fff
Jun 11 15:44:16  [14380702.300513] FS:  () 
GS:88107fce() knlGS:
Jun 11 15:44:16  [14380702.300516] CS:  0010 DS:  ES:  CR0: 
8005003b
Jun 11 15:44:16  [14380702.300518] CR2: 7ff939554be0 CR3: 01c05000 
CR4: 000406e0
Jun 11 15:44:16  [14380702.300527] DR0:  DR1:  
DR2: 
Jun 11 15:44:16  [14380702.300529] DR3:  DR6: 0ff0 
DR7: 0400
Jun 11 15:44:16  [14380702.300532] Process swapper/19 (pid: 0, threadinfo 
88084c12, task 88084c118000)
Jun 11 15:44:16  [14380702.300534] Stack:
Jun 11 15:44:16  [14380702.300542]  88107fcee7c0 0092 
00137fce3da8 dba0
Jun 11 15:44:16  [14380702.300559]  0102 0013 
88107fce3db8 2710
Jun 11 15:44:16  [14380702.300582]  81c30900 81c30b00 
88107fcee7c0 
Jun 11 15:44:16  [14380702.300600] Call Trace:
Jun 11 15:44:16  [14380702.300617]  IRQ 
Jun 11 15:44:16  [14380702.300634]  [81036bcc] 
x2apic_send_IPI_all+0x1c/0x20
Jun 11 15:44:16  [14380702.300640]  [810326a1] 
arch_trigger_all_cpu_backtrace+0x61/0xa0
Jun 11 15:44:16  [14380702.300655]  [810e0877] 
check_cpu_stall.isra.36+0x97/0xf0
Jun 11 15:44:16  [14380702.300667]  [810e0908] 
__rcu_pending+0x38/0x1b0
Jun 11 15:44:16  [14380702.300677]  [810e0ecb] 
rcu_check_callbacks+0x1cb/0x1e0
Jun 11 15:44:16  [14380702.300701]  [81078928] 
update_process_times+0x48/0x90
Jun 11 15:44:16  [14380702.300721]  [8109c4b4] 
tick_sched_timer+0x64/0xc0
Jun 11 15:44:16  [14380702.300748]  [8108eba8] 
__run_hrtimer+0x78/0x1f0
Jun 11 15:44:16  [14380702.300771]  [8109c450] ? 
tick_nohz_handler+0x100/0x100
Jun 11 15:44:16  [14380702.300787]  [8108f433] 
hrtimer_interrupt+0xe3/0x200
Jun 11 15:44:16