Public bug reported: The bluetooth in my Intel Wireless 7260 on my Thinkpad W541 resets almost immediately after a device connects. This is seen in dmesg as the device disconnecting and reconnecting to the USB bus with no other error messages, like this:
[603851.305788] Bluetooth: hci0: Legacy ROM 2.5 revision 8.0 build 1 week 45 2013 [603851.305827] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.7.10-fw-1.80.1.2d.d.bseq [603851.443776] Bluetooth: hci0: unexpected event for opcode 0xfc2f [603851.460922] Bluetooth: hci0: Intel BT fw patch 0x2a completed & activated [603871.948430] usb 3-11: USB disconnect, device number 36 [603872.273696] usb 3-11: new full-speed USB device number 37 using xhci_hcd [603872.422912] usb 3-11: New USB device found, idVendor=8087, idProduct=07dc, bcdDevice= 0.01 [603872.422916] usb 3-11: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [603872.437854] Bluetooth: hci0: Legacy ROM 2.5 revision 8.0 build 1 week 45 2013 [603872.437873] Bluetooth: hci0: Intel device is already patched. patch num: 2a [603894.932755] input: JBL TUNE700BT (AVRCP) as /devices/virtual/input/input113 [603898.742664] usb 3-11: USB disconnect, device number 37 [603899.057916] usb 3-11: new full-speed USB device number 38 using xhci_hcd [603899.211235] usb 3-11: New USB device found, idVendor=8087, idProduct=07dc, bcdDevice= 0.01 [603899.211241] usb 3-11: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [603899.226972] Bluetooth: hci0: Legacy ROM 2.5 revision 8.0 build 1 week 45 2013 [603899.226988] Bluetooth: hci0: Intel device is already patched. patch num: 2a [603909.785396] input: JBL TUNE700BT (AVRCP) as /devices/virtual/input/input114 [603914.565733] usb 3-11: USB disconnect, device number 38 [603916.905954] usb 3-11: new full-speed USB device number 39 using xhci_hcd [603917.055128] usb 3-11: New USB device found, idVendor=8087, idProduct=07dc, bcdDevice= 0.01 [603917.055147] usb 3-11: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [603917.071869] Bluetooth: hci0: Legacy ROM 2.5 revision 8.0 build 1 week 45 2013 [603917.071877] Bluetooth: hci0: Intel device is already patched. patch num: 2a This has been a problem ever since I got this laptop, but recently I managed to fix it by downgrading the ibt firmware. I downgraded the /lib/firmware/intel/ibt-hw-37.7.10-fw-1.80.1.2d.d.bseq file to this version https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux- firmware.git/commit/intel/ibt- hw-37.7.10-fw-1.80.1.2d.d.bseq?id=fb328183532ffc7a1a54e84fb53467e275a95b79 and after that all problems stopped. System info: $ lsb_release -rd Description: Ubuntu 22.04.2 LTS Release: 22.04 $ apt-cache policy linux-firmware linux-firmware: Installed: 20220329.git681281e4-0ubuntu3.12 Candidate: 20220329.git681281e4-0ubuntu3.12 Version table: *** 20220329.git681281e4-0ubuntu3.12 500 500 http://pl.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages 500 http://pl.archive.ubuntu.com/ubuntu jammy-updates/main i386 Packages 500 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages 500 http://security.ubuntu.com/ubuntu jammy-security/main i386 Packages 100 /var/lib/dpkg/status 20220329.git681281e4-0ubuntu1 500 500 http://pl.archive.ubuntu.com/ubuntu jammy/main amd64 Packages 500 http://pl.archive.ubuntu.com/ubuntu jammy/main i386 Packages $ lspci -vvvv (see attachment) $ lsusb -vvvvv (see attachment) ** Affects: linux-firmware (Ubuntu) Importance: Undecided Status: New ** Attachment added: "system-info.txt" https://bugs.launchpad.net/bugs/2017877/+attachment/5669152/+files/system-info.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/2017877 Title: Intel Wireless 7260 - bluetooth drops from USB bus almost immediately after connecting a device on the lastest firmware Status in linux-firmware package in Ubuntu: New Bug description: The bluetooth in my Intel Wireless 7260 on my Thinkpad W541 resets almost immediately after a device connects. This is seen in dmesg as the device disconnecting and reconnecting to the USB bus with no other error messages, like this: [603851.305788] Bluetooth: hci0: Legacy ROM 2.5 revision 8.0 build 1 week 45 2013 [603851.305827] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.7.10-fw-1.80.1.2d.d.bseq [603851.443776] Bluetooth: hci0: unexpected event for opcode 0xfc2f [603851.460922] Bluetooth: hci0: Intel BT fw patch 0x2a completed & activated [603871.948430] usb 3-11: USB disconnect, device number 36 [603872.273696] usb 3-11: new full-speed USB device number 37 using xhci_hcd [603872.422912] usb 3-11: New USB device found, idVendor=8087, idProduct=07dc, bcdDevice= 0.01 [603872.422916] usb 3-11: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [603872.437854] Bluetooth: hci0: Legacy ROM 2.5 revision 8.0 build 1 week 45 2013 [603872.437873] Bluetooth: hci0: Intel device is already patched. patch num: 2a [603894.932755] input: JBL TUNE700BT (AVRCP) as /devices/virtual/input/input113 [603898.742664] usb 3-11: USB disconnect, device number 37 [603899.057916] usb 3-11: new full-speed USB device number 38 using xhci_hcd [603899.211235] usb 3-11: New USB device found, idVendor=8087, idProduct=07dc, bcdDevice= 0.01 [603899.211241] usb 3-11: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [603899.226972] Bluetooth: hci0: Legacy ROM 2.5 revision 8.0 build 1 week 45 2013 [603899.226988] Bluetooth: hci0: Intel device is already patched. patch num: 2a [603909.785396] input: JBL TUNE700BT (AVRCP) as /devices/virtual/input/input114 [603914.565733] usb 3-11: USB disconnect, device number 38 [603916.905954] usb 3-11: new full-speed USB device number 39 using xhci_hcd [603917.055128] usb 3-11: New USB device found, idVendor=8087, idProduct=07dc, bcdDevice= 0.01 [603917.055147] usb 3-11: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [603917.071869] Bluetooth: hci0: Legacy ROM 2.5 revision 8.0 build 1 week 45 2013 [603917.071877] Bluetooth: hci0: Intel device is already patched. patch num: 2a This has been a problem ever since I got this laptop, but recently I managed to fix it by downgrading the ibt firmware. I downgraded the /lib/firmware/intel/ibt-hw-37.7.10-fw-1.80.1.2d.d.bseq file to this version https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux- firmware.git/commit/intel/ibt- hw-37.7.10-fw-1.80.1.2d.d.bseq?id=fb328183532ffc7a1a54e84fb53467e275a95b79 and after that all problems stopped. System info: $ lsb_release -rd Description: Ubuntu 22.04.2 LTS Release: 22.04 $ apt-cache policy linux-firmware linux-firmware: Installed: 20220329.git681281e4-0ubuntu3.12 Candidate: 20220329.git681281e4-0ubuntu3.12 Version table: *** 20220329.git681281e4-0ubuntu3.12 500 500 http://pl.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages 500 http://pl.archive.ubuntu.com/ubuntu jammy-updates/main i386 Packages 500 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages 500 http://security.ubuntu.com/ubuntu jammy-security/main i386 Packages 100 /var/lib/dpkg/status 20220329.git681281e4-0ubuntu1 500 500 http://pl.archive.ubuntu.com/ubuntu jammy/main amd64 Packages 500 http://pl.archive.ubuntu.com/ubuntu jammy/main i386 Packages $ lspci -vvvv (see attachment) $ lsusb -vvvvv (see attachment) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2017877/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp