This bug was fixed in the package linux-oem - 4.15.0-1017.20
---------------
linux-oem (4.15.0-1017.20) bionic; urgency=medium
* linux-oem: 4.15.0-1017.20 -proposed tracker (LP: #1787544)
* Bluetooth: Redpine: Bionics: L2test transfer is failed to start in Ubuntu
18.04 (LP: #1781895)
- SAUCE: Bluetooth: btrsi: fix l2test data transfer issue
* [Redpine] Upgrades to improve throughput and stability (LP: #1782070)
- SAUCE: rsi: Fix for low throughput issue
- SAUCE: rsi: Set wowlan flag while writing wowlan config parameters
- SAUCE: rsi: Add debug support for wowlan wakeup confirmation
- Bluetooth: btrsi: rework dependencies
- rsi: fix error path handling in SDIO probe
- rsi: Add null check for virtual interfaces in wowlan config
- SAUCE: rsi: Fix for wowlan hibernate resume issue
- SAUCE: rsi: Firmware assert (version 2)
- SAUCE: rsi: Fix for WoWLAN wakeup in security mode.
- SAUCE: rsi: Optimizing virtual interfaces
- SAUCE: rsi: disable p2p device mode support
-- Chia-Lin Kao (AceLan) <acelan....@canonical.com> Fri, 17 Aug 2018
15:53:57 +0800
** Changed in: linux-oem (Ubuntu Bionic)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1781895
Title:
Bluetooth: Redpine: Bionics: L2test transfer is failed to start in
Ubuntu 18.04
Status in linux package in Ubuntu:
Triaged
Status in linux-oem package in Ubuntu:
Confirmed
Status in linux source package in Bionic:
Triaged
Status in linux-oem source package in Bionic:
Fix Released
Bug description:
SRU Justification
-----------------
Impact:
-------
Bluetooth l2test is not getting started with rsi driver.
Test Case:
----------
1. Insert redpine modules with dev_oper_mode=13/4/5/6/14.
2. Check bluetooth device is created or not.
$ hciconfig -a
3. Insert other thirdparty module to run l2test.
4. Enable piscan for both interfaces
$ hciconfig -a hci0 piscan # lets say, hci0 is created for Redpine
$ hciconfig -a hci1 piscan # lets say, hci1 is created for
thirdparty BT device
5. Open two terminals and then, start l2test with below commands.
Terminal 1: Keep rsi module is in Transmit mode.
$ l2test -i hci0 -s <hci1 BD address>
Terminal 2: Keep third party device is in receive mode
$ l2test -i hci1 -r
6. l2test will not run and will fail after few seconds
Fix:
----
skb->data is having some extra bytes rather than expected size , which is
Incorrect. Hence, removed redundant bytes from skb using skb_trim().
Regression petential:
---------------------
Ran L2test for 2 hours and didn't see any issue.
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