group.of.nepali.translators team mailing list archive

[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1548413

Title:
  bug from upstream commit changes behavior of PCI DMA on PowerNV/bare-
  metal platforms and can result in EEH when adapter tries to read back
  buffer after DMA write

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  == Comment: #0 - Douglas Miller - 2016-01-12 14:28:48 ==
  ---Problem Description---
  bug from upstream commit 10b35b2b7485c342334a48cf199063eed8b8748e changes behavior of PCI DMA on PowerNV/bare-metal platforms and can result in EEH when adapter tries to read back buffer after DMA write.
   
  ---uname output---
  Affects Wily and Xenial kernel streams. Based on code inspection, not observation in running kernel
   
  Machine Type = 8348 "Habanero LC" 
   
  ---Steps to Reproduce---
  Setup RAID volume on PMC-Sierra adapter (driver aacraid) and start a test/exerciser doing disk reads on the volume. Pull a disk from the volume and an EEH should result.
   
  == Comment: #1 - Douglas Miller - 2016-01-12 14:29:51 ==
  Fix is being reviewed and should get pushed upstream soon. Suggest pulling that fix as soon as it is available. Patch is being reviewed on linuxppc-dev mailing list, titled "powerpc/ioda: Set "read" permission when "write" is set".

  == Comment: #4 - Douglas Miller  - 2016-02-22 08:08:43 ==

  The fix has been accepted and is now in "master" on linux.git.

  commit 6ecad912a0073c768db1491c27ca55ad2d0ee68f

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