Hi AceLan Kao,

I've applied my patch on,

*tag: Ubuntu-oem-4.15.0-1059.68, origin/oem-next*

The commit-id of top most commit, upon which I've applied my patch is,

*commit d792844e7c8cdeee9e5010efb254a2c03c81803f*

Please let me know if I did any thing wrong or provide the code base 
info (path of code base upon which I need to apply my patch).

Thank you,

Ganapathi.


On Friday 15 November 2019 06:02 PM, AceLan Kao wrote:
> This patch breaks the build.
>
> ** Changed in: linux-oem (Ubuntu Bionic)
>         Status: Fix Committed => Invalid
>

-- 
Thank you,
Ganapathi.
7702873444

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem in Ubuntu.
https://bugs.launchpad.net/bugs/1848318

Title:
  [DELL][BIONICS] Observed firmware assert during backgroung scan.

Status in linux package in Ubuntu:
  Incomplete
Status in linux-oem package in Ubuntu:
  New
Status in linux source package in Bionic:
  New
Status in linux-oem source package in Bionic:
  Invalid

Bug description:
  SRU Justification:
  ------------------

  Impact:
  -------
        Observed firmware assert(non responsive state) just 2 min after 
connection.

  Test case:
  ----------
        1) Power up the device, Redpine modules are loaded by default, Nmcli 
initiates the connection and device starts background scan after connection. 
After 2-3 min issue will be replicated. 

  Result:
  -------
         Observed firmware assert while performing background scan.

  Root cause analysis:
  --------------------
         There is a redundant null check for ssid info while preparing
  probe request in background scan case, which blocks the probe request pkt
  length update, leads to assert no-71(if probe-req-length is 0 or greater
  the max probe length 120) in firmware.

  Fix:
  ----
         Removed the redundant null check.

  Regression Potential:
  ---------------------
          This is observed just 2 min after connection, fixed and checked the 
driver stability. Every thing ran smooth.

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