I've not upgraded to this kernel yet, waiting for it to go into core. But is it infact working other than this issue? On Tue, Mar 20, 2012 at 5:08 PM, Genes MailLists <lists@xxxxxxxxxxxx> wrote: > > linux 3.3 from testing - fully updated from test repo. > > I had plugged my cell phone in to usb - a few times in and out. After > unplugging, I closed laptop lid - the sleep light which normally flashes > then goes steady to indicate laptop is sleeping did not. I opened lid - > and found khubd process at 100% cpu. > > In earlier kernels there were some problems with usb if I attempted to > sleep a laptop with a USB device plugged in - but i thought there were > some fixes to this problem. > > Anyway - this is what got recorded in system log: > > Where is the preferred place to report this? > > thanks! > > gene./ > > > =========== system log for khubd problem ============================ > > Mar 20 18:08:55 lap3 kernel: [75845.892579] EXT4-fs (dm-0): re-mounted. > Opts: commit=0 > Mar 20 18:08:57 lap3 kernel: [75848.292547] PM: Syncing filesystems ... > done. > Mar 20 18:08:57 lap3 kernel: [75848.298398] PM: Preparing system for mem > sleep > Mar 20 18:09:19 lap3 kernel: [75849.834400] Freezing user space > processes ... (elapsed 0.01 seconds) done. > Mar 20 18:09:19 lap3 kernel: [75849.847519] Freezing remaining freezable > tasks ... > Mar 20 18:09:19 lap3 kernel: [75869.819451] Freezing of tasks failed > after 20.01 seconds (1 tasks refusing to freeze, wq_busy=0 > ): > Mar 20 18:09:19 lap3 kernel: [75869.819457] khubd R running > task 0 91 2 0x00000000 > Mar 20 18:09:19 lap3 kernel: [75869.819459] ffff88030a4bda48 > ffffffff8146ed06 ffffffff812f5dcc ffffffff816dba22 > Mar 20 18:09:19 lap3 kernel: [75869.819462] ffff88030a420800 > ffff88030a4bdfd8 ffff88030a4bdfd8 ffff88030a4bdfd8 > Mar 20 18:09:19 lap3 kernel: [75869.819465] ffff880306188000 > ffff88030a420800 ffffffff8189e150 0000000000000030 > Mar 20 18:09:19 lap3 kernel: [75869.819467] Call Trace: > Mar 20 18:09:19 lap3 kernel: [75869.819473] [<ffffffff8146ed06>] ? > __schedule+0x436/0x910 > Mar 20 18:09:19 lap3 kernel: [75869.819476] [<ffffffff812f5dcc>] ? > vt_console_print+0x2cc/0x3b0 > Mar 20 18:09:19 lap3 kernel: [75869.819479] [<ffffffff81050e77>] ? > __call_console_drivers+0x97/0xb0 > Mar 20 18:09:19 lap3 kernel: [75869.819481] [<ffffffff81079482>] ? > up+0x32/0x50 > Mar 20 18:09:19 lap3 kernel: [75869.819483] [<ffffffff81051159>] ? > _call_console_drivers+0x49/0x70 > Mar 20 18:09:19 lap3 kernel: [75869.819485] [<ffffffff8146f602>] > preempt_schedule_irq+0x52/0x80 > Mar 20 18:09:19 lap3 kernel: [75869.819488] [<ffffffff81470866>] > retint_kernel+0x26/0x30 > Mar 20 18:09:19 lap3 kernel: [75869.819491] [<ffffffff81060924>] ? > lock_timer_base.isra.32+0x64/0x70 > Mar 20 18:09:19 lap3 kernel: [75869.819493] [<ffffffff81060b32>] > del_timer+0x42/0x150 > Mar 20 18:09:19 lap3 kernel: [75869.819501] [<ffffffffa0685e25>] ? > bt_printk+0x55/0x60 [bluetooth] > Mar 20 18:09:19 lap3 kernel: [75869.819505] [<ffffffffa066afc6>] > hci_conn_del+0x26/0x230 [bluetooth] > Mar 20 18:09:19 lap3 kernel: [75869.819508] [<ffffffffa066b240>] > hci_conn_hash_flush+0x70/0xc0 [bluetooth] > Mar 20 18:09:19 lap3 kernel: [75869.819511] [<ffffffffa0667121>] > hci_dev_do_close+0xa1/0x2c0 [bluetooth] > Mar 20 18:09:19 lap3 kernel: [75869.819515] [<ffffffffa066922b>] > hci_unregister_dev+0x5b/0x170 [bluetooth] > Mar 20 18:09:19 lap3 kernel: [75869.819517] [<ffffffffa03c1c80>] > btusb_disconnect+0x60/0xd0 [btusb] > Mar 20 18:09:19 lap3 kernel: [75869.819529] [<ffffffffa00111e2>] > usb_unbind_interface+0x52/0x180 [usbcore] > Mar 20 18:09:19 lap3 kernel: [75869.819533] [<ffffffff81313e2c>] > __device_release_driver+0x7c/0xe0 > Mar 20 18:09:19 lap3 kernel: [75869.819535] [<ffffffff81313ebc>] > device_release_driver+0x2c/0x40 > Mar 20 18:09:19 lap3 kernel: [75869.819536] [<ffffffff81313961>] > bus_remove_device+0xe1/0x120 > Mar 20 18:09:19 lap3 kernel: [75869.819539] [<ffffffff81311510>] > device_del+0x120/0x1a0 > Mar 20 18:09:19 lap3 kernel: [75869.819544] [<ffffffffa000ef6f>] > usb_disable_device+0xaf/0x1d0 [usbcore] > Mar 20 18:09:19 lap3 kernel: [75869.819548] [<ffffffffa00073f8>] > usb_disconnect+0x98/0x130 [usbcore] > Mar 20 18:09:19 lap3 kernel: [75869.819553] [<ffffffffa0009296>] > hub_thread+0xa56/0x12e0 [usbcore] > Mar 20 18:09:19 lap3 kernel: [75869.819557] [<ffffffff81073d00>] ? > abort_exclusive_wait+0xb0/0xb0 > Mar 20 18:09:19 lap3 kernel: [75869.819561] [<ffffffffa0008840>] ? > usb_remote_wakeup+0x40/0x40 [usbcore] > Mar 20 18:09:19 lap3 kernel: [75869.819563] [<ffffffff810733c3>] > kthread+0x93/0xa0 > Mar 20 18:09:19 lap3 kernel: [75869.819566] [<ffffffff81472464>] > kernel_thread_helper+0x4/0x10 > Mar 20 18:09:19 lap3 kernel: [75869.819568] [<ffffffff81073330>] ? > kthread_freezable_should_stop+0x70/0x70 > Mar 20 18:09:19 lap3 kernel: [75869.819570] [<ffffffff81472460>] ? > gs_change+0x13/0x13 > Mar 20 18:09:19 lap3 kernel: [75869.819581] > Mar 20 18:09:19 lap3 kernel: [75869.819581] Restarting kernel threads > ... done. > Mar 20 18:09:19 lap3 kernel: [75869.819641] Restarting tasks ... done. > Mar 20 18:09:19 lap3 kernel: [75869.829806] sdhci-pci 0000:0d:00.0: > could not set regulator OCR (-22) > Mar 20 18:09:19 lap3 kernel: [75869.829857] video LNXVIDEO:00: Restoring > backlight state > Mar 20 18:09:19 lap3 kernel: [75869.865629] sdhci-pci 0000:0d:00.0: > could not set regulator OCR (-22) > Mar 20 18:09:19 lap3 kernel: [75869.899151] sdhci-pci 0000:0d:00.0: > could not set regulator OCR (-22) > Mar 20 18:09:19 lap3 kernel: [75869.932325] sdhci-pci 0000:0d:00.0: > could not set regulator OCR (-22) > Mar 20 18:09:20 lap3 kernel: [75870.954441] EXT4-fs (sdb1): re-mounted. > Opts: commit=0 > Mar 20 18:09:20 lap3 kernel: [75870.956487] EXT4-fs (sda6): re-mounted. > Opts: commit=0 > Mar 20 18:09:20 lap3 kernel: [75870.958144] EXT4-fs (sdb2): re-mounted. > Opts: commit=0 > Mar 20 18:09:20 lap3 kernel: [75871.182979] EXT4-fs (dm-0): re-mounted. > Opts: commit=0 > Mar 20 18:09:20 lap3 NetworkManager[955]: <info> wake requested > (sleeping: yes enabled: yes) > Mar 20 18:09:20 lap3 NetworkManager[955]: <info> waking up and > re-enabling... > Mar 20 18:09:20 lap3 NetworkManager[955]: <info> (eth0): now managed > Mar 20 18:09:20 lap3 NetworkManager[955]: <info> (eth0): device state > change: unmanaged -> unavailable (reason 'managed') [10 2 > 0 2] >