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Message #10040
[Bug 1197616] Re: Bluetooth sometimes does not work after resuming from suspend
@MIng
Can you SRU your patch as far as to Quantal's 3.5 kernel?
** Changed in: hwe-next
Assignee: (unassigned) => Gavin Guo (mimi0213kimo)
** Changed in: hwe-next
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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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:
Confirmed
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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