Ubuntu
linux-linaro package

Corrupt display under load

Bug #633417 reported by Matt Waddel
22
This bug affects 2 people
Affects Status Importance Assigned to Milestone
linux-linaro (Ubuntu)
Fix Released
Medium
Matt Waddel

Bug Description

Linux vexpress 2.6.35-1004-linaro-vexpress

When there is a load on the system the frame buffer output is corrupted.

Matt Waddel (mwaddel)
tags: added: armel vexpress
Loïc Minier (lool)
Changed in linux-linaro (Ubuntu):
importance: Undecided → Medium
assignee: nobody → Matt Waddel (mwaddel)
Revision history for this message
Will Deacon (will-deacon) wrote :

I think this is an issue with the L2 cache latencies. Can somebody test the attached patch please? (taken against 2.6.36-rc4).

If it works, I'll try and do a cleaned up version for mainline (and Linaro).

Jamie Bennett (jamiebennett)
tags: added: patch
Revision history for this message
Matt Waddel (mwaddel) wrote :

It works.

Revision history for this message
Will Deacon (will-deacon) wrote :

Ok - I've updated the patch [attached] and posted it to the mailing list. I'll also ask Nicolas to pull my latest stable fixes for Linaro.

Will Deacon (will-deacon)
Changed in linux-linaro (Ubuntu):
status: New → In Progress
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-linaro - 2.6.35-1006.11

---------------
linux-linaro (2.6.35-1006.11) maverick; urgency=low

  [ Upstream Kernel Changes ]

  * ARM: vexpress: set RAM latencies to 1 cycle for PL310 on ct-ca9x4 tile
    - LP: #633417
  * ARM: add a vma entry for the user accessible vector page
  * ARM: plug a race with the alignment trap handler
  * ARM: SECCOMP support

  [ John Rigby ]

  * LINARO: rebase on linux-linaro-2.6.35-16Sep2010 and Ubuntu-2.6.35-22.32 merge
  * LINARO: [CONFIG] igep ethernet fix
  * LINARO: [CONFIG] turn do_tools on
    - LP: #618734
 -- John Rigby <email address hidden> Thu, 16 Sep 2010 18:03:14 -0600

Changed in linux-linaro (Ubuntu):
status: In Progress → Fix Released
Revision history for this message
Peter Pearse (peter-pearse) wrote :

Local build from 2.6.35-1006.11 code appears fixed.

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