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Thread: soft lockup

  1. #1
    Join Date
    Feb 2007
    Location
    Albuquerque, NM US
    Beans
    314
    Distro
    Ubuntu Development Release

    soft lockup

    about 70% of the time starting with 13.04 I have one machine reporting:

    soft lockup cpu#0 stuck for 22s [migration/0:8]

    No problem with Debian, Fedora, BSd etc...

    any ideas on how to fix this?
    cheap hardware....LOTS of it

  2. #2
    Join Date
    Jun 2006
    Beans
    459

    Re: soft lockup

    I just got this too: CPU#0 Stuck [USB Modeset 982] (or something like that). There are no errors in the logs and after a power cycle it comes up and runs fine.

    I'll watch this thread and keep Googling. If I find something I'll post it here. So far I get the impression it's a kernel bug.

  3. #3
    Join Date
    Feb 2007
    Location
    Albuquerque, NM US
    Beans
    314
    Distro
    Ubuntu Development Release

    Re: soft lockup

    Thank You! I have been googling too...this is very annoying....I have the problem on 60-70% of my boots.
    rt
    cheap hardware....LOTS of it

  4. #4
    Join Date
    May 2007
    Location
    The New Forest
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    Hidden!
    Distro
    Xubuntu Development Release

    Re: soft lockup

    I've had this once or twice myself, never did get to the bottom of it.

    I've seen some bugs very similar to this on previous versions. Not found anything for 13.04.

    Moved the thread as well - U+1 is for dev versions.
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  5. #5
    Join Date
    Jun 2006
    Beans
    459

    Re: soft lockup

    I have top of the line hardware and it ran fine until I upgraded to 13.04. I just read syslog, kernel.log, dmesg and no errors.

    They are going to want to know what we're running. Mine is:

    Ubuntu 13.04 x64
    Nvidia 460GTX - Driver: 313.30
    8GB RAM

    Output of lsusb:

    lsusb
    Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 003: ID 1532:0016 Razer USA, Ltd DeathAdder Mouse
    Bus 001 Device 004: ID 045e:028e Microsoft Corp. Xbox360 Controller
    Bus 001 Device 005: ID 05ac:911f Apple, Inc.
    Bus 001 Device 006: ID 05ac:921e Apple, Inc. Cinema Display 24"

  6. #6
    Join Date
    Jun 2006
    Beans
    459

    Re: soft lockup

    I found this in launchpad that refers to a bug in the 3.5 kernel. Maybe it's a regression:

    https://bugs.launchpad.net/ubuntu/+s...x/+bug/1011914

  7. #7
    Join Date
    Jun 2009
    Location
    0:0:0:0:0:0:0:1
    Beans
    4,100
    Distro
    Xubuntu 13.04 Raring Ringtail

    Re: soft lockup

    i have the same issue the solution is to use the mainline kernel
    https://github.com/GM-Script-Writer-...Kernel-Updater

    the hard part is booting the system so you can install it
    edit: i had to do this

    1. boot recovery move
    2. enable networking
    3. install openssh-server
    4. run ifconfig to get my ip address
    5. ssh into it from my laptop so i could install it
    Last edited by pqwoerituytrueiwoq; April 28th, 2013 at 04:52 PM.
    Laptop: ASUS A54C-NB91 (Storage: WD3200BEKT + MKNSSDCR60GB-DX); Desktop: Custom Build - Images included; rPi Server
    Putting your Networked Printer's scanner software to shame PHP Scanner Server
    I frequently edit my post when I have the last post

  8. #8
    Join Date
    Jun 2006
    Beans
    459

    Re: soft lockup

    As OP stated, it doesn't happen every time. This is the first time for me, so we should be able to test mainline and see if that fixes it.

    Thanks for the help.

  9. #9
    Join Date
    Jun 2006
    Beans
    459

    Re: soft lockup

    Ok, now running: 3.8.9-030809-generic

    We'll see how it goes.

  10. #10
    Join Date
    Jul 2007
    Beans
    414
    Distro
    Xubuntu 13.04 Raring Ringtail

    Re: soft lockup

    I've just seen this happen on an unmount:

    Apr 28 22:43:56 pc udisksd[2068]: Cleaning up mount point /media/imbjr/QUANTAL_64 (device 8:9 is not mounted)
    Apr 28 22:44:22 pc kernel: [24935.572422] BUG: soft lockup - CPU#1 stuck for 23s! [umount:31063]
    Apr 28 22:44:22 pc kernel: [24935.572425] Modules linked in: nfsv4(F) pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) bnep rfcomm bluetooth parport_pc(F) ppdev(F) vesafb(F) nfsd(F) auth_rpcgss(F) nfs_acl(F) nfs(F) lockd(F) sunrpc(F) fscache(F) tda8290 tda10048 cx23885 joydev(F) btcx_risc altera_ci wacom videobuf_dvb tda18271 altera_stapl tveeprom cx2341x fglrx(POF) coretemp kvm_intel videobuf_dma_sg dvb_core kvm snd_hda_codec_hdmi rc_core snd_hda_codec_realtek v4l2_common snd_hda_intel videobuf_core snd_hda_codec videodev snd_hwdep(F) snd_pcm(F) snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) ghash_clmulni_intel(F) snd_rawmidi(F) aesni_intel(F) snd_seq(F) aes_x86_64(F) xts(F) lrw(F) gf128mul(F) snd_seq_device(F) ablk_helper(F) snd_timer(F) psmouse(F) snd(F) soundcore(F) cryptd(F) mei amd_iommu_v2 lpc_ich dcdbas serio_raw(F) microcode(F) mac_hid lp(F) parport(F) usb_storage(F) hid_generic usbhid hid tg3 ptp pps_core ahci(F) libahci(F)
    Apr 28 22:44:22 pc kernel: [24935.572487] CPU 1
    Apr 28 22:44:22 pc kernel: [24935.572491] Pid: 31063, comm: umount Tainted: PF O 3.8.0-19-generic #29-Ubuntu Dell Inc. XPS 8300 /0Y2MRG
    Apr 28 22:44:22 pc kernel: [24935.572493] RIP: 0010:[<ffffffff81044af8>] [<ffffffff81044af8>] __ticket_spin_unlock+0x8/0x10
    Apr 28 22:44:22 pc kernel: [24935.572501] RSP: 0000:ffff8801f026fe08 EFLAGS: 00000282
    Apr 28 22:44:22 pc kernel: [24935.572503] RAX: 00000000c729c729 RBX: 0000000000000005 RCX: 000000000000c729
    Apr 28 22:44:22 pc kernel: [24935.572505] RDX: 000000000000c729 RSI: ffff8801ca6fb6a8 RDI: ffff8801ca6fba38
    Apr 28 22:44:22 pc kernel: [24935.572507] RBP: ffff8801f026fe08 R08: 0000000000000002 R09: 0000000000000002
    Apr 28 22:44:22 pc kernel: [24935.572509] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8801f026fd70
    Apr 28 22:44:22 pc kernel: [24935.572510] R13: ffff8801f026fdf8 R14: ffffffff811396e6 R15: 0000000000000000
    Apr 28 22:44:22 pc kernel: [24935.572513] FS: 00007ff82122d840(0000) GS:ffff88022f480000(0000) knlGS:0000000000000000
    Apr 28 22:44:22 pc kernel: [24935.572515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    Apr 28 22:44:22 pc kernel: [24935.572516] CR2: 00007fde5650d000 CR3: 000000010fd37000 CR4: 00000000000407e0
    Apr 28 22:44:22 pc kernel: [24935.572518] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    Apr 28 22:44:22 pc kernel: [24935.572520] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Apr 28 22:44:22 pc kernel: [24935.572522] Process umount (pid: 31063, threadinfo ffff8801f026e000, task ffff8801d6f78000)
    Apr 28 22:44:22 pc kernel: [24935.572523] Stack:
    Apr 28 22:44:22 pc kernel: [24935.572525] ffff8801f026fe50 ffffffff811d56f3 0000000000000000 ffff88021fb53ca0
    Apr 28 22:44:22 pc kernel: [24935.572529] ffff88021fb53c00 ffff88021fb53ca0 ffffffff8182a420 ffff8801cf93b400
    Apr 28 22:44:22 pc kernel: [24935.572532] ffff8801cf93b420 ffff8801f026fe78 ffffffff81195fab ffff880226428d00
    Apr 28 22:44:22 pc kernel: [24935.572535] Call Trace:
    Apr 28 22:44:22 pc kernel: [24935.572542] [<ffffffff811d56f3>] fsnotify_unmount_inodes+0x133/0x1b0
    Apr 28 22:44:22 pc kernel: [24935.572546] [<ffffffff81195fab>] generic_shutdown_super+0x4b/0xf0
    Apr 28 22:44:22 pc kernel: [24935.572550] [<ffffffff81196080>] kill_block_super+0x30/0x80
    Apr 28 22:44:22 pc kernel: [24935.572553] [<ffffffff81196467>] deactivate_locked_super+0x57/0x80
    Apr 28 22:44:22 pc kernel: [24935.572556] [<ffffffff81197026>] deactivate_super+0x46/0x60

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