[Bug 78631] New: kwin of KDE crashes without any notification after resuming from RAM on intel chipset with kernel 3.15

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=78631

            Bug ID: 78631
           Summary: kwin of KDE crashes without any notification after
                    resuming from RAM on intel chipset with kernel 3.15
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.15.1
          Hardware: IA-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: ukyoid at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Thanks for reading this post.

When I upgraded to kernel 3.15.1, I found that kwin (the window manager of KDE)
crashes frequently after resuming from RAM -- not always the first time, but
often the first or the second time. There is no any notification.

Switching to TTY1 and using
    DISPLAY=:0 kwin --replace
can restart kwin, but kwin will crash immediately after switching to X output.

There is no problem in kernel 3.14.

Here is my hardware info:
OS: Archlinux
Kernel: 3.15.1
Video Driver: xf86-video-intel 2.99.912

lspci info:
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory
Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
00:03.0 Communication controller: Intel Corporation Mobile 4 Series Chipset MEI
Controller (rev 07)
00:03.3 Serial controller: Intel Corporation Mobile 4 Series Chipset AMT SOL
Redirection (rev 07)
00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network
Connection (rev 03)
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #4 (rev 03)
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #5 (rev 03)
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #6 (rev 03)
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio
Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1
(rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2
(rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4
(rev 03)
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #1 (rev 03)
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #2 (rev 03)
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #3 (rev 03)
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 4 port
SATA Controller [AHCI mode] (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh]
Network Connection

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