[Bug 70145] New: Random blank screen after login with Haswell 4400

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70145

          Priority: medium
            Bug ID: 70145
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: Random blank screen after login with Haswell 4400
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: drewvs at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

There are odd black/blank/gray screen issues that are occurring with the
xf86-video-intel driver in the 3.11.1 kernel.

I've updated to the latest driver with the same result.

Sometimes, on a cold-boot the login manager (gdm3 in this case) will properly
show but after entering credentials the screen will either produce a black
screen or gray screen with thick black lines.

This can also happen (less often) after typing a LUKS encryption passphrase. It
attempts to switch from a lower resolution display to a higher (3200x1800) in
this laptops case. When the resolution switches, it fails and has a permanent
black screen. I can tell the system has successfully booted at least to the
desktop as the FN sound keys function.

This will happen 50% of the time. About 10% of the time switching to a virtual
terminal and back will fix the issue and display the desktop as expected.

This also happens randomly after a suspend/resume cycle.

Xorg log coming soon.

I am not passing any relevant kernel parameters at boot but when using the
nomodeset option, there are no issues present.

3.12 kernel/driver was compiled and the issue is still present.

lscpi:
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated
Graphics Controller (rev 09)
00:03.0 Audio device: Intel Corporation Device 0a0c (rev 09)
00:14.0 USB controller: Intel Corporation Lynx Point-LP USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation Lynx Point-LP HECI #0 (rev
04)
00:1b.0 Audio device: Intel Corporation Lynx Point-LP HD Audio Controller (rev
04)
00:1c.0 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 1
(rev e4)
00:1c.2 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 3
(rev e4)
00:1c.3 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 4
(rev e4)
00:1d.0 USB controller: Intel Corporation Lynx Point-LP USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation Lynx Point-LP LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation Lynx Point-LP SATA Controller 1
[AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation Lynx Point-LP SMBus Controller (rev 04)
02:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411
PCI Express Gigabit Ethernet Controller (rev 0c)


Please let me know if additional information is needed and I will provide it
promptly

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