** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem (Ubuntu)
Status: New => Confirmed
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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:
New
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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