Comment 15 for bug 1218004

Thanks, Brian. I took a look at the git log between 3.10 and 3.11-rc1 and there were quite a bit of changes to Bluetooth:

b8f4e068004859eefac7b1ced59ddb67ca6d2d80 Bluetooth: Improve comments on the HCI_Delete_Store_Link_Key issue
502f769662978a2fe99d0caed5e53e3006107381 Bluetooth: Add missing reset_resume dev_pm_ops
673e1dd7ed7701cac8c5c247d152fd3d2da2a4f1 Bluetooth: hidp: using strlcpy instead of strncpy, also beautify code.
0a804654af62dfea4899c66561d74d72273b2921 Bluetooth: Remove unneeded flag
034cbea0931433cf88a1f79a385402604f08bd67 Bluetooth: Use HCI_MGMT instead of HCI_LINK_KEYS flag
12602d0cc005354a519b3eba443d7912ab71313a Bluetooth: Mgmt Device Found Event
8892d8beb37cb4ea531a5076946d5cc809b04c25 Bluetooth: Remove empty event handler
b0434345f2a7330be5277b63606cff26a7965982 Bluetooth: Remove inquiry helpers
917eedc56c65ba96a3bab4c346d948e73dd872f1 Bluetooth: Remove LE scan helpers
3fd319b830247a3fe5f489e622ab404b618e0906 Bluetooth: Refactor hci_cc_le_set_scan_enable
1183fdcad42495073045a2d9755e0a6ac2fa874e Bluetooth: Make mgmt_stop_discovery_failed static
82f4785ca7b8d04ca6d0aaa37f1185c779744bc4 Bluetooth: Remove stop discovery handling from hci_event.c
0e05bba6f6f8c2dca7a13fe0566742277e92df07 Bluetooth: Update stop_discovery to use HCI request
4c87eaab01df271c81f6a68e3c28dbd44d348004 Bluetooth: Use HCI request in interleaved discovery
0d8cc935e01c0fd1312a10881f4c0f1c4b4d05ab Bluetooth: Move discovery macros to hci_core.h
41dc2bd6d13bfccc34d05586be2eb65876a5990a Bluetooth: Make mgmt_start_discovery_failed static
fef5234a791507a2fe1ccfc85f080523fe762320 Bluetooth: Remove start discovery handling from hci_event.c
7c3077207c705d0aa200ce22d49a0376d194dfca Bluetooth: Update start_discovery to use HCI request
1f9b9a5dc5bb8ee360db9d32b2090aac497ae82a Bluetooth: Make inquiry_cache_flush non-static
44f3b0fbaa9bfa7a88577ee8c446d0a78cb1d73a Bluetooth: Fix multiple LE socket handling
0cc59a72c723979cf8973aff4df874a5f7a697c7 Bluetooth: Remove useless hci_conn disc_timeout setting
5ee9891dd8a63df1bf2ccd437872ad30a5850449 Bluetooth: Simplify hci_conn_hold/drop logic for L2CAP
af1c01349ecc2b8ab2c329e4dbd46e9018469bd1 Bluetooth: Remove unnecessary L2CAP channel state check
60bac184c9c7df2299aca4dc45c4b5b486f49a89 Bluetooth: Remove useless sk variable in l2cap_le_conn_ready
97f57c0b14ad2ef0628fc6db48cd6c08e0e52c50 Bluetooth: Fix duplicate call to l2cap_chan_ready()
d8729922b474eab65ca738028a2e69fb12e2eaa6 Bluetooth: Add clarifying comment to l2cap_conn_ready()
9f22398ce4baf816535415e65949d03f55a7973a Bluetooth: Fix hardcoding ATT CID in __l2cap_chan_add()
141d57065afd11977c4d346f64b25350445bf689 Bluetooth: Fix EBUSY condition test in l2cap_chan_connect
f224ca5fc207a9957164e6f42ec6766da0f55d54 Bluetooth: Fix LE vs BR/EDR selection when connecting
073d1cf35fe45d89f5a553c21eea18b504dd6937 Bluetooth: Rename L2CAP_CID_LE_DATA to L2CAP_CID_ATT
c5623556fc61804713b1569b4f748e36956bc6e8 Bluetooth: Handle LE L2CAP signalling in its own function
6ea81c415574acb88faca905e1d7316057e90a5b Bluetooth: btmrvl: fix error return code in btmrvl_sdio_card_to_host()
178c059e7640aa8e50213400c6f3dde00189d979 Bluetooth: Add support for Mediatek Bluetooth device [0e8d:763f

Due to the number or changes, it's probably best to perform a kernel bisect to figure out which commit introduced this. I'll start the bisect and post a test kernel shortly.