[Bug 99020] New: Active window flashes while using Cinnamon desktop

Thu Dec 8 00:06:27 UTC 2016

https://bugs.freedesktop.org/show_bug.cgi?id=99020

            Bug ID: 99020
           Summary: Active window flashes while using Cinnamon desktop
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: edwardp at linuxmail.org
        QA Contact: xorg-team at lists.x.org

Also filed with Red Hat: https://bugzilla.redhat.com/show_bug.cgi?id=1400360

Description of problem:

When using a web browser (Firefox, Chromium) or any application like a
terminal, the active window, while using the Cinnamon desktop occasionally
blinks or flashes. The active window (except for its borders) will briefly turn
black for a microsecond, then the window appears normal again.

The monitor is a Sceptre X9, 19-inch LCD, the default resolution is 1280x1024
and cannot go beyond that setting.

The Cinnamon maintainer for Red Hat informed me that it is a bug in the driver,
the PC is using the 'radeon' driver, per the information below.

How reproducible:

Launch Cinnamon desktop and use a web browser, any application, or a terminal.
Display will occasionally blink/flash.

Additional info:

I also have the MATE desktop installed and the active window while using MATE
does not blink or flash, this only occurs with Cinnamon. With other monitor
resolutions that are selectable, also while using Cinnamon, the active window
also blinks/flashes at those resolutions as well.

This began with Fedora 25, it did not occur with Fedora 24 and earlier
versions.

However, on a 32-bit ThinkPad T43 laptop with a finer resolution than
1280x1024, also with Fedora 25 running, the active window does not blink or
flash while using Cinnamon on the laptop. The laptop also uses the 'radeon'
driver.

Version of driver installed: 

xorg-x11-drv-ati-7.7.1-1.20160928git3fc839ff.fc25.x86_64

Output of 'lspci -v' from the 64-bit computer in question:

00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] RS780 Host Bridge
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 0, NUMA node 0
        Capabilities: <access denied>

00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] RS780/RS880 PCI to PCI
bridge (int gfx) (prog-if 00 [Normal decode])
        Flags: bus master, 66MHz, medium devsel, latency 64, NUMA node 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
        I/O behind bridge: 0000c000-0000cfff
        Memory behind bridge: fe800000-fe9fffff
        Prefetchable memory behind bridge: 00000000d0000000-00000000dfffffff
        Capabilities: <access denied>
        Kernel modules: shpchp

00:07.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] RS780/RS880 PCI to PCI
bridge (PCIE port 3) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0, IRQ 24, NUMA node 0
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
        I/O behind bridge: 0000d000-0000dfff
        Memory behind bridge: fea00000-feafffff
        Prefetchable memory behind bridge: 00000000fde00000-00000000fdefffff
        Capabilities: <access denied>
        Kernel driver in use: pcieport
        Kernel modules: shpchp

00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] (prog-if 01 [AHCI 1.0])
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 22, NUMA node
0
        I/O ports at b000 [size=8]
        I/O ports at a000 [size=4]
        I/O ports at 9000 [size=8]
        I/O ports at 8000 [size=4]
        I/O ports at 7000 [size=16]
        Memory at fe7ffc00 (32-bit, non-prefetchable) [size=1K]
        Capabilities: <access denied>
        Kernel driver in use: ahci

00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller (prog-if 10 [OHCI])
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16, NUMA node
0
        Memory at fe7fe000 (32-bit, non-prefetchable) [size=4K]
        Kernel driver in use: ohci-pci

00:12.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB OHCI1
Controller (prog-if 10 [OHCI])
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16, NUMA node
0
        Memory at fe7fd000 (32-bit, non-prefetchable) [size=4K]
        Kernel driver in use: ohci-pci

00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller (prog-if 20 [EHCI])
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17, NUMA node
0
        Memory at fe7ff800 (32-bit, non-prefetchable) [size=256]
        Capabilities: <access denied>
        Kernel driver in use: ehci-pci

00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller (prog-if 10 [OHCI])
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18, NUMA node
0
        Memory at fe7fc000 (32-bit, non-prefetchable) [size=4K]
        Kernel driver in use: ohci-pci

00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB OHCI1
Controller (prog-if 10 [OHCI])
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18, NUMA node
0
        Memory at fe7f7000 (32-bit, non-prefetchable) [size=4K]
        Kernel driver in use: ohci-pci

00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller (prog-if 20 [EHCI])
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19, NUMA node
0
        Memory at fe7ff400 (32-bit, non-prefetchable) [size=256]
        Capabilities: <access denied>
        Kernel driver in use: ehci-pci

00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller
(rev 3c)
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: 66MHz, medium devsel, NUMA node 0
        Capabilities: <access denied>
        Kernel driver in use: piix4_smbus
        Kernel modules: i2c_piix4, sp5100_tco

00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia
(Intel HDA)
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, slow devsel, latency 64, IRQ 16, NUMA node 0
        Memory at fe7f0000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0
LPC host controller
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, 66MHz, medium devsel, latency 0, NUMA node 0

00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI
Bridge (prog-if 01 [Subtractive decode])
        Flags: bus master, 66MHz, medium devsel, latency 64, NUMA node 0
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=64

00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor
HyperTransport Configuration
        Flags: fast devsel, NUMA node 0
        Capabilities: <access denied>

00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor
Address Map
        Flags: fast devsel, NUMA node 0

00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor
DRAM Controller
        Flags: fast devsel, NUMA node 0

00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor
Miscellaneous Control
        Flags: fast devsel, NUMA node 0
        Capabilities: <access denied>
        Kernel driver in use: k10temp
        Kernel modules: k10temp

00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor
Link Control
        Flags: fast devsel, NUMA node 0

01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RS780L [Radeon 3000] (prog-if 00 [VGA controller])
        Subsystem: Hewlett-Packard Company Device 2ab7
        Flags: bus master, fast devsel, latency 0, IRQ 18, NUMA node 0
        Memory at d0000000 (32-bit, prefetchable) [size=256M]
        I/O ports at c000 [size=256]
        Memory at fe9f0000 (32-bit, non-prefetchable) [size=64K]
        Memory at fe800000 (32-bit, non-prefetchable) [size=1M]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: radeon
        Kernel modules: radeon

02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411
PCI Express Gigabit Ethernet Controller (rev 06)
        Subsystem: TP-LINK Technologies Co., Ltd. TG-3468 Gigabit PCI Express
Network Adapter
        Flags: bus master, fast devsel, latency 0, IRQ 25, NUMA node 0
        I/O ports at d800 [size=256]
        Memory at feaff000 (64-bit, non-prefetchable) [size=4K]
        Memory at fdefc000 (64-bit, prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: r8169
        Kernel modules: r8169

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