Comment 32 for bug 1691991

hi Daniel,

Agree with you that is something they need to fix. I have sent mail to
HiSilicon and their VGA card vendors and they replied some for confirming
and understand questions or our requests. I will push them again.

thanks,
Mao

On Thu, Jun 8, 2017 at 8:41 AM, Daniel Axtens <email address hidden>
wrote:

> Hi Mao,
>
> I have installed a version of the kernel which ignores the capabilities
> of the PCI bridge when determining whether a device can be the boot
> device. With this patched kernel, X starts without needing a config
> file.
>
> This confirms:
> - that the vga card is not marked as boot device because of the the PCI
> bridge that the VGA card sits behind.
> - not being marked as boot vga is what is causing X not to pick it up the
> card.
>
> This is a debug patch only, and not a patch we will be able to get
> upstream, so I think we will need to discuss with the HiSilicon people
> why their hardware is behaving this way.
>
> Regards,
> Daniel
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1691991
>
> Title:
> Xorg Segmentation fault on Hisilicon D05 board (arm64)
>
> Status in xorg package in Ubuntu:
> New
>
> Bug description:
> ubuntu@ubuntu:~$ sudo /usr/lib/xorg/Xorg
> [sudo] password for ubuntu:
>
> X.Org X Server 1.18.4
> Release Date: 2016-07-19
> X Protocol Version 11, Revision 0
> Build Operating System: Linux 4.4.0-45-generic aarch64 Ubuntu
> Current Operating System: Linux ubuntu 4.10.0-20.22-generic
> #22+pearl.2-Ubuntu SMP Thu Apr 27 20:23:08 UTC 2017 aarch64
> Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.10.0-20.22-generic
> root=UUID=eee681c5-04ce-4cd0-a004-cae6717961ce ro debug
> earlycon=pl011,mmio,0x602B0000 console=tty0
> Build Date: 02 November 2016 10:05:28PM
> xorg-server 2:1.18.4-0ubuntu0.2 (For technical support please see
> http://www.ubuntu.com/support)
> Current version of pixman: 0.33.6
> Before reporting problems, check http://wiki.x.org
> to make sure that you have the latest version.
> Markers: (--) probed, (**) from config file, (==) default setting,
> (++) from command line, (!!) notice, (II) informational,
> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> (==) Log file: "/var/log/Xorg.0.log", Time: Fri May 19 18:10:13 2017
> (==) Using system config directory "/usr/share/X11/xorg.conf.d"
> pci id for fd 10: 19e5:1711, driver (null)
> EGL_MESA_drm_image required.
> (EE)
> (EE) Backtrace:
> (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x58) [0xaaaad7f1cc48]
> (EE)
> (EE) Segmentation fault at address 0xa0
> (EE)
> Fatal server error:
> (EE) Caught signal 11 (Segmentation fault). Server aborting
> (EE)
> (EE)
> Please consult the The X.Org Foundation support
> at http://wiki.x.org
> for help.
> (EE) Please also check the log file at "/var/log/Xorg.0.log" for
> additional information.
> (EE)
> (EE) Server terminated with error (1). Closing log file.
> Aborted (core dumped)
> ubuntu@ubuntu:~$
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1691991/+subscriptions
>

--
Zhanglei Mao
Solutions Architect, Sales and Business Development
Canonical Group Ltd.
<email address hidden>
+86-13625010929 (m)
+852-6700 6026 (m)
www.ubuntu.com
www.canonical.com