This bug was fixed in the package linux - 4.13.0-16.19
---------------
linux (4.13.0-16.19) artful; urgency=low
* 20170817 - ISO hangs on boot on qemu with splash screen enabled and qxl
graphics driver (LP: #1711358)
- qxl: fix framebuffer unpinning
* [Bug] USB controller failed to respond on Denverton after loading
intel_th_pci module (LP: #1715833)
- SAUCE: PCI: Disable broken RTIT_BAR of Intel TH
* CVE-2017-5123
- waitid(): Add missing access_ok() checks
-- Seth Forshee <seth.fors...@canonical.com> Wed, 11 Oct 2017 12:33:10
-0500
** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-5123
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https://bugs.launchpad.net/bugs/1711358
Title:
20170817 - ISO hangs on boot on qemu with splash screen enabled and
qxl graphics driver
Status in linux package in Ubuntu:
Fix Released
Status in plymouth package in Ubuntu:
Confirmed
Status in ubiquity package in Ubuntu:
Confirmed
Bug description:
Test Case
1. Boot artful desktop 20170817 under qemu with qxl
2. Wait until ubiquity-dm is displayed
Expected result
It boots
Actual result
It hangs on the splash screen and the dots below the Ubuntu logo are not
blinking. If the option 'splash' is removed from the boot command line it boots
successfully.
It also boots successfully with -vga std but in this case the splash
screen is in text mode not graphical unlike with the qxl driver.
- It started with kernel 4.12.
- It is still happening with kernel 4.13.
- It only happens when booting from an ISO and not on an installed system.
- It works with cirrus/vga, but not qxl
- It works if nosplash is set (or splash removed from the boot command line)
- It works on Xenial but not on Artful
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