** Package changed: ubuntu => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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: New 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1548413/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
