Notes and some more detail for this bug/patch: The bug is from/caused by 4.12 DRM architecture, the main line commit https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v4.15-rc3&id=ea642c3216cb2a60d1c0e760ae47ee85c9c16447
It will cause x-window start hanged, the detail bug are https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1698700 The fix path link are here: https://lists.freedesktop.org/archives/dri- devel/2017-November/159002.html This patch only change Huawei driver, it will not affect any other vendors. -- 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/1738334 Title: hisilicon hibmc regression due to ea642c3216cb ("drm/ttm: add io_mem_pfn callback") Status in linux package in Ubuntu: Confirmed Bug description: ea642c3216cb ("drm/ttm: add io_mem_pfn callback") is incomplete: the hisilicon hibmc driver does not contain the callback and so X does not start. Discussion and potential fix at https://lists.freedesktop.org/archives /dri-devel/2017-November/159002.html This affects Artful, upstream has not landed on a solution yet as far as I can tell, so lets backport the first proposed small fix. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1738334/+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