It was test by Huawei and verified this bug fix the problem of x-window. I have change it, but not I am make it right for what you expected. I am not so familiar of our Launchpad.
[image: Inline image 1] On Fri, Jul 21, 2017 at 5:24 PM, Kleber Sacilotto de Souza < kleber.so...@canonical.com> wrote: > This bug is awaiting verification that the kernel in -proposed solves > the problem. Please test the kernel and update this bug with the > results. If the problem is solved, change the tag 'verification-needed- > zesty' to 'verification-done-zesty'. If the problem still exists, change > the tag 'verification-needed-zesty' to 'verification-failed-zesty'. > > If verification is not done by 5 working days from today, this fix will > be dropped from the source code, and this bug will be closed. > > See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how > to enable and use -proposed. Thank you! > > > ** Tags added: verification-needed-zesty > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1698706 > > Title: > Quirk for non-compliant PCI bridge on HiSilicon D05 board > > Status in linux package in Ubuntu: > Fix Committed > Status in linux source package in Zesty: > Fix Committed > > Bug description: > SRU Justification > > [Impact] > Xorg autodetection does not work on HiSilicon D05 boards. > > [Fix] > The HiSilicon D05 board has some PCI bridges (PCI ID 19e5:1610) that are > not spec-compliant: they do not set the VGA Enable bit when a VGA card is > behind the bridge. This stops vgaarb setting the device as a boot vga > device, breaking Xorg auto-detection. [0] > > Despite this, the hibmc VGA card (PCI ID 19e5:1711) is known to work > when behind these bridges. > > Provide a quirk so that this combination of bridge and card works. > > [Testcase] > On an affected board, run: > # find /sys/devices -name boot_vga -exec cat \{\} \; > > This should print 0 without this patch and 1 with this patch. > > [Regression Potential] > There is a risk with overriding the VGA arbiter that adding additional > VGA cards to the board may go wrong somehow. The fixup specifically tests > for the bridge and card on the board, so regressions should be limited to > that combination of bridge and card. > > [Notes] > HiSilicon is hoping to have 16.04.3 HWE kernel support their board, > hence the submission of this patch before it has been accepted upstream. > The patch has been submitted upstream and I will continue to work with > upstream to land it.[1] > > [0] https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1691991 - this > bug tracked debugging of a segfault and then this issue. Comments 25 > (https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1691991/comments/25 > ) > and 31 onwards detail this issue. > > [1] https://patchwork.ozlabs.org/patch/778054/ > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/ > 1698706/+subscriptions > -- Zhanglei Mao Solutions Architect, Sales and Business Development Canonical Group Ltd. zhanglei....@canonical.com +86-13625010929 (m) +852-6700 6026 (m) www.ubuntu.com www.canonical.com ** Attachment added: "image.png" https://bugs.launchpad.net/bugs/1698706/+attachment/4918803/+files/image.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1698706 Title: Quirk for non-compliant PCI bridge on HiSilicon D05 board To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1698706/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
