** Changed in: linux (Ubuntu Wily)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1497878
Title:
nx842: Corrupted data during uncompression due to HW issue
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Wily:
Fix Committed
Status in linux source package in Xenial:
Fix Committed
Bug description:
== Comment: #0 - Haren Myneni <[email protected]> - 2015-09-19 20:35:29 ==
---Problem Description---
Hardware team reported some rare data corruption during uncompression for
nx842 co-processor. It might provide user with invalid data after
uncompression. So the fix is add CRC support - means Linux adds CRC flag before
calling the nx842 so that CRC will be added and checked during compression and
uncompression calls.
Contact Information = [email protected]
---uname output---
Ubuntu 15.10
Machine Type = power8
---Debugger---
A debugger is not configured
---Steps to Reproduce---
HW team reported this issue and discussed with them for the possible
solution.
Stack trace output:
no
Oops output:
no
System Dump Info:
The system is not configured to capture a system dump.
*Additional Instructions for [email protected]:
-Attach sysctl -a output output to the bug.
== Comment: #1 - Haren Myneni <[email protected]> - 2015-09-19 20:36:14 ==
The fix is simple with just adding CRC flags before invoking nx842
coprocessor calls. Posted patch and waiting for maintainer to get in to his
tree.
http://marc.info/?l=linux-crypto-vger&m=144270742211554&w=2
Please include this fix in ubuntu 15.10 release.
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