kernel-packages team mailing list archive

[Ming Lei <1197616@xxxxxxxxxxxxxxxxxx>]

On Tue, Jul 30, 2013 at 2:22 PM, Gavin Guo <gavin.guo@xxxxxxxxxxxxx> wrote:
> I've tried to test again and it seems there are some problem with read error.
> u@u-Inspiron-3137:~$ dmesg | grep error
> [    6.571775] usb 2-7: device descriptor read/8, error -110
> [   11.690873] usb 2-7: device descriptor read/8, error -110
> [   12.512528] EXT4-fs (sda3): re-mounted. Opts: errors=remount-ro
> [   16.922015] usb 2-7: device descriptor read/8, error -110
> [   22.041155] usb 2-7: device descriptor read/8, error -110
> [   27.272312] usb 2-7: device descriptor read/8, error -110
> [   32.391447] usb 2-7: device descriptor read/8, error -110
> [   37.622581] usb 2-7: device descriptor read/8, error -110
> [   42.741775] usb 2-7: device descriptor read/8, error -110

Gavin, the patch does not touch any USB thing, and suggest you
to apply the patch against your working kernel to see if it can fix
the firmware loading bug?

http://kernel.ubuntu.com/~ming/bugs/1197616/v1/usermodehelper-
enable.patch

Thanks
--
Ming Lei

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https://bugs.launchpad.net/bugs/1197616

Title:
  Bluetooth sometimes does not work after resuming from suspend

Status in HWE Next Project:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Summary: Bluetooth sometimes does not work after resuming from suspend

  Steps:
  1. fwts s3 --s3-multiple=30 --s3-max-delay=5 --s3-min-delay=5
  2. hcitool scan

  Expected results: Can scan and connect to BT devices

  Actual results: Can't scan and connect to BT devices

  In kern.log:

  Jul 3 00:33:48 1704 kernel: [ 2365.124561] PM: Finishing wakeup.
  Jul 3 00:33:48 1704 kernel: [ 2365.156748] ------------[ cut here ]------------
  Jul 3 00:33:48 1704 kernel: [ 2365.156764] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/drivers/base/firmware_class.c:597 request_firmware+0xb5/0xf0()
  Jul 3 00:33:48 1704 kernel: [ 2365.156767] Hardware name: Inspiron 3137
  Jul 3 00:33:48 1704 kernel: [ 2365.124564] Restarting tasks ...
  Jul 3 00:33:48 1704 kernel: [ 2365.156770] Modules linked in: hid_multitouch snd_hda_codec_realtek(O) snd_hda_codec_hdmi(O) snd_hda_intel(O) snd_hda_codec(O) snd_hwdep coretemp kvm_intel snd_pcm kvm ghash_clmulni_intel cryptd snd_seq_midi joydev snd_rawmidi dell_laptop dcdbas dell_wmi sparse_keymap dm_multipath scsi_dh lib80211_crypt_tkip snd_seq_midi_event microcode psmouse wl(PO) bnep snd_seq uvcvideo videobuf2_core videodev videobuf2_vmalloc snd_timer cfg80211 snd_seq_device btusb videobuf2_memops serio_raw parport_pc lib80211 rfcomm ppdev i915_hsw bluetooth snd soundcore snd_page_alloc wmi drm_kms_helper drm i2c_algo_bit intel_ips video mac_hid lp parport usbhid hid dm_raid45 xor dm_mirror dm_region_hash dm_log btrfs zlib_deflate libcrc32c r8168(O) [last unloaded: hid_multitouch]
  Jul 3 00:33:48 1704 kernel: [ 2365.156867] Pid: 25680, comm: kworker/0:2 Tainted: P W IO 3.5.0-22-generic #34~precise1-Ubuntu
  Jul 3 00:33:48 1704 kernel: [ 2365.156870] Call Trace:
  Jul 3 00:33:48 1704 kernel: [ 2365.156881] [<ffffffff81052c9f>] warn_slowpath_common+0x7f/0xc0
  Jul 3 00:33:48 1704 kernel: [ 2365.156887] [<ffffffff81052cfa>] warn_slowpath_null+0x1a/0x20
  Jul 3 00:33:48 1704 kernel: [ 2365.156894] [<ffffffff81437575>] request_firmware+0xb5/0xf0
  Jul 3 00:33:48 1704 kernel: [ 2365.156912] [<ffffffffa02ee470>] ? hci_dev_open+0x290/0x290 [bluetooth]
  Jul 3 00:33:48 1704 kernel: [ 2365.156922] [<ffffffffa0337b0a>] btusb_load_firmware+0xba/0x240 [btusb]
  Jul 3 00:33:48 1704 kernel: [ 2365.156936] [<ffffffffa02ee324>] hci_dev_open+0x144/0x290 [bluetooth]
  Jul 3 00:33:48 1704 kernel: [ 2365.156949] [<ffffffffa02ee48d>] hci_power_on+0x1d/0x80 [bluetooth]
  Jul 3 00:33:48 1704 kernel: [ 2365.156958] [<ffffffff81071bba>] process_one_work+0x11a/0x480
  Jul 3 00:33:48 1704 kernel: [ 2365.156964] [<ffffffff81072bd5>] worker_thread+0x165/0x370
  Jul 3 00:33:48 1704 kernel: [ 2365.156971] [<ffffffff81072a70>] ? manage_workers.isra.29+0x130/0x130
  Jul 3 00:33:48 1704 kernel: [ 2365.156977] [<ffffffff81077b73>] kthread+0x93/0xa0
  Jul 3 00:33:48 1704 kernel: [ 2365.156985] [<ffffffff816a8524>] kernel_thread_helper+0x4/0x10
  Jul 3 00:33:48 1704 kernel: [ 2365.156990] [<ffffffff81077ae0>] ? flush_kthread_worker+0xb0/0xb0
  Jul 3 00:33:48 1704 kernel: [ 2365.156996] [<ffffffff816a8520>] ? gs_change+0x13/0x13
  Jul 3 00:33:48 1704 kernel: [ 2365.156999] ---[ end trace 4ef11670192df83d ]---
  Jul 3 00:33:48 1704 kernel: [ 2365.157006] usb 1-1.7: firmware: fw-0a5c_21d7.hcd will not be loaded
  Jul 3 00:33:48 1704 kernel: [ 2365.159451] Bluetooth: can't load firmware, may not work correctly
  Jul 3 00:33:48 1704 kernel: [ 2365.164446] done.

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