Hello misc@,

since a recent upgrade to a snapshot (the exact date of which I
forgot; I hope the kernel build date from the dmesg below suffices),
I've been getting the following X error regularly:

(EE) intel(0): Failed to submit batch buffer, expect rendering corruption or 
even a frozen display: Unknown error: -4.

I seem to be able to reproduce this quite reliably by starting the
xombrero web browser with 'gui_mode = minimal' until I see corruptly
rendered text in the status and/or tab bar.  Similar errors occur
from time to time during the rendering of web pages.

dmesg and Xorg.0.log:

OpenBSD 5.4-current (GENERIC) #40: Mon Aug 19 17:13:59 MDT 2013
    dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Intel(R) Pentium(R) M processor 1.10GHz ("GenuineIntel" 686-class) 1.10 
GHz
cpu0: 
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,TM,PBE,NXE,EST,TM2,PERF
real mem  = 1333133312 (1271MB)
avail mem = 1299533824 (1239MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 07/26/06, BIOS32 rev. 0 @ 0xffe90, SMBIOS 
rev. 2.3 @ 0xf81a0 (45 entries)
bios0: vendor Dell Inc. version "A06" date 07/26/2006
bios0: Dell Inc. Latitude X1
acpi0 at bios0: rev 0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP APIC ASF! MCFG SSDT SSDT SSDT
acpi0: wakeup devices LID_(S3) PBTN(S4) PCI0(S5) USB0(S0) USB1(S0) USB2(S0) 
USB4(S0) USB3(S0) MODM(S3) PCIE(S4) NIC_(S5)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: apic clock running at 99MHz
ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 24 pins
ioapic0: misconfigured as apic 0, remapped to apid 1
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 2 (PCIE)
acpicpu0 at acpi0: C3, C3, C2, C1, PSS
acpitz0 at acpi0: critical temperature is 95 degC
acpiac0 at acpi0: AC unit online
acpibat0 at acpi0: BAT0 model "DELL T61376" serial 490 type LION oem "Sanyo"
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: PBTN
acpibtn2 at acpi0: SBTN
acpivideo0 at acpi0: VID_
acpivideo1 at acpi0: VID2
bios0: ROM list: 0xc0000/0xf800! 0xcf800/0x800
cpu0: Enhanced SpeedStep 1098 MHz: speeds: 1100, 800, 600 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "Intel 82915GM Host" rev 0x03
vga1 at pci0 dev 2 function 0 "Intel 82915GM Video" rev 0x03
intagp0 at vga1
agp0 at intagp0: aperture at 0xc0000000, size 0x10000000
inteldrm0 at vga1
drm0 at inteldrm0
composite sync not supported
composite sync not supported
inteldrm0: 1280x768
wsdisplay0 at vga1 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel 82915GM Video" rev 0x03 at pci0 dev 2 function 1 not configured
ppb0 at pci0 dev 28 function 0 "Intel 82801FB PCIE" rev 0x03: apic 1 int 16
pci1 at ppb0 bus 1
bge0 at pci1 dev 0 function 0 "Broadcom BCM5751" rev 0x01, BCM5750 A1 (0x4001): 
apic 1 int 16, address xxx
brgphy0 at bge0 phy 1: BCM5750 10/100/1000baseT PHY, rev. 0
uhci0 at pci0 dev 29 function 0 "Intel 82801FB USB" rev 0x03: apic 1 int 16
uhci1 at pci0 dev 29 function 2 "Intel 82801FB USB" rev 0x03: apic 1 int 18
uhci2 at pci0 dev 29 function 3 "Intel 82801FB USB" rev 0x03: apic 1 int 19
ehci0 at pci0 dev 29 function 7 "Intel 82801FB USB" rev 0x03: apic 1 int 16
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
ppb1 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xd3
pci2 at ppb1 bus 2
cbb0 at pci2 dev 1 function 0 "Ricoh 5C476 CardBus" rev 0xb3: apic 1 int 19
"Ricoh 5C552 Firewire" rev 0x08 at pci2 dev 1 function 1 not configured
sdhc0 at pci2 dev 1 function 2 "Ricoh 5C822 SD/MMC" rev 0x17: apic 1 int 17
sdmmc0 at sdhc0
iwi0 at pci2 dev 3 function 0 "Intel PRO/Wireless 2200BG" rev 0x05: apic 1 int 
17, address xxx
cardslot0 at cbb0 slot 0 flags 0
cardbus0 at cardslot0: bus 3 device 0 cacheline 0x0, lattimer 0x20
pcmcia0 at cardslot0
auich0 at pci0 dev 30 function 2 "Intel 82801FB AC97" rev 0x03: apic 1 int 16, 
ICH6 AC97
ac97: codec id 0x83847652 (SigmaTel STAC9752/53)
ac97: codec features headphone, 20 bit DAC, 20 bit ADC, SigmaTel 3D
audio0 at auich0
ichpcib0 at pci0 dev 31 function 0 "Intel 82801FBM LPC" rev 0x03: PM disabled
pciide0 at pci0 dev 31 function 1 "Intel 82801FB IDE" rev 0x03: DMA, channel 0 
configured to compatibility, channel 1 configured to compatibility
wd0 at pciide0 channel 0 drive 0: <KingSpec KSD-CF18.6-032MS>
wd0: 1-sector PIO, LBA48, 30192MB, 61833216 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5
pciide0: channel 1 ignored (disabled)
usb1 at uhci0: USB revision 1.0
uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb2 at uhci1: USB revision 1.0
uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb3 at uhci2: USB revision 1.0
uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
isa0 at ichpcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pms0: Synaptics touchpad, firmware 6.2
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
mtrr: Pentium Pro MTRR support
sdmmc0: can't enable card
vscsi0 at root
scsibus0 at vscsi0: 256 targets
softraid0 at root
scsibus1 at softraid0: 256 targets
root on wd0a (d03eeab79eaa31f6.a) swap on wd0b dump on wd0b
composite sync not supported
composite sync not supported


[    15.776] (--) checkDevMem: using aperture driver /dev/xf86
[    15.795] (--) Using wscons driver on /dev/ttyC4 in pcvt compatibility mode 
(version 3.32)
[    15.905] 
X.Org X Server 1.14.1
Release Date: 2013-04-17
[    15.905] X Protocol Version 11, Revision 0
[    15.905] Build Operating System: OpenBSD 5.4 i386 
[    15.905] Current Operating System: OpenBSD x1ii.my.domain 5.4 GENERIC#40 
i386
[    15.906] Build Date: 18 August 2013  10:06:07PM
[    15.906]  
[    15.906] Current version of pixman: 0.30.0
[    15.906]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[    15.906] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    15.906] (==) Log file: "/var/log/Xorg.0.log", Time: Fri Aug 30 19:45:07 
2013
[    15.910] (==) Using system config directory 
"/usr/X11R6/share/X11/xorg.conf.d"
[    15.913] (==) No Layout section.  Using the first Screen section.
[    15.913] (==) No screen section available. Using defaults.
[    15.913] (**) |-->Screen "Default Screen Section" (0)
[    15.913] (**) |   |-->Monitor "<default monitor>"
[    15.915] (==) No monitor specified for screen "Default Screen Section".
        Using a default monitor configuration.
[    15.915] (==) Disabling SIGIO handlers for input devices
[    15.915] (==) Automatically adding devices
[    15.915] (==) Automatically enabling devices
[    15.915] (==) Not automatically adding GPU devices
[    15.930] (==) FontPath set to:
        /usr/X11R6/lib/X11/fonts/misc/,
        /usr/X11R6/lib/X11/fonts/TTF/,
        /usr/X11R6/lib/X11/fonts/OTF/,
        /usr/X11R6/lib/X11/fonts/Type1/,
        /usr/X11R6/lib/X11/fonts/100dpi/,
        /usr/X11R6/lib/X11/fonts/75dpi/
[    15.930] (==) ModulePath set to "/usr/X11R6/lib/modules"
[    15.930] (II) The server relies on wscons to provide the list of input 
devices.
        If no devices become available, reconfigure wscons or disable 
AutoAddDevices.
[    15.931] (II) Loader magic: 0x3c023040
[    15.931] (II) Module ABI versions:
[    15.931]    X.Org ANSI C Emulation: 0.4
[    15.931]    X.Org Video Driver: 14.1
[    15.931]    X.Org XInput driver : 19.1
[    15.931]    X.Org Server Extension : 7.0
[    15.932] (--) PCI:*(0:0:2:0) 8086:2592:1028:01a3 rev 3, Mem @ 
0xdff00000/524288, 0xc0000000/268435456, 0xdfec0000/262144, I/O @ 0x0000ec38/8
[    15.932] (--) PCI: (0:0:2:1) 8086:2792:1028:01a3 rev 3, Mem @ 
0xdff80000/524288
[    15.932] Initializing built-in extension Generic Event Extension
[    15.932] Initializing built-in extension SHAPE
[    15.932] Initializing built-in extension MIT-SHM
[    15.932] Initializing built-in extension XInputExtension
[    15.933] Initializing built-in extension XTEST
[    15.933] Initializing built-in extension BIG-REQUESTS
[    15.933] Initializing built-in extension SYNC
[    15.933] Initializing built-in extension XKEYBOARD
[    15.933] Initializing built-in extension XC-MISC
[    15.933] Initializing built-in extension SECURITY
[    15.933] Initializing built-in extension XINERAMA
[    15.933] Initializing built-in extension XFIXES
[    15.933] Initializing built-in extension RENDER
[    15.933] Initializing built-in extension RANDR
[    15.933] Initializing built-in extension COMPOSITE
[    15.933] Initializing built-in extension DAMAGE
[    15.933] Initializing built-in extension MIT-SCREEN-SAVER
[    15.933] Initializing built-in extension DOUBLE-BUFFER
[    15.933] Initializing built-in extension RECORD
[    15.933] Initializing built-in extension DPMS
[    15.933] Initializing built-in extension X-Resource
[    15.933] Initializing built-in extension XVideo
[    15.933] Initializing built-in extension XVideo-MotionCompensation
[    15.933] Initializing built-in extension XFree86-VidModeExtension
[    15.933] Initializing built-in extension XFree86-DGA
[    15.933] Initializing built-in extension XFree86-DRI
[    15.933] Initializing built-in extension DRI2
[    15.933] (II) LoadModule: "glx"
[    15.939] (II) Loading /usr/X11R6/lib/modules/extensions/libglx.so
[    15.943] (II) Module glx: vendor="X.Org Foundation"
[    15.943]    compiled for 1.14.1, module version = 1.0.0
[    15.943]    ABI class: X.Org Server Extension, version 7.0
[    15.943] (==) AIGLX enabled
[    15.944] Loading extension GLX
[    15.944] (==) Matched intel as autoconfigured driver 0
[    15.944] (==) Matched vesa as autoconfigured driver 1
[    15.944] (==) Assigned the driver to the xf86ConfigLayout
[    15.944] (II) LoadModule: "intel"
[    15.945] (II) Loading /usr/X11R6/lib/modules/drivers/intel_drv.so
[    15.951] (II) Module intel: vendor="X.Org Foundation"
[    15.952]    compiled for 1.14.1, module version = 2.20.19
[    15.952]    Module class: X.Org Video Driver
[    15.952]    ABI class: X.Org Video Driver, version 14.1
[    15.952] (II) LoadModule: "vesa"
[    15.954] (II) Loading /usr/X11R6/lib/modules/drivers/vesa_drv.so
[    15.955] (II) Module vesa: vendor="X.Org Foundation"
[    15.955]    compiled for 1.14.1, module version = 2.3.2
[    15.955]    Module class: X.Org Video Driver
[    15.955]    ABI class: X.Org Video Driver, version 14.1
[    15.955] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
        i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G, 915G,
        E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G,
        965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45,
        4 Series, G45/G43, Q45/Q43, G41, B43, B43, Clarkdale, Arrandale,
        Sandybridge Desktop (GT1), Sandybridge Desktop (GT2),
        Sandybridge Desktop (GT2+), Sandybridge Mobile (GT1),
        Sandybridge Mobile (GT2), Sandybridge Mobile (GT2+),
        Sandybridge Server, Ivybridge Mobile (GT1), Ivybridge Mobile (GT2),
        Ivybridge Desktop (GT1), Ivybridge Desktop (GT2), Ivybridge Server,
        Ivybridge Server (GT2), Haswell Desktop (GT1), Haswell Desktop (GT2),
        Haswell Desktop (GT2+), Haswell Mobile (GT1), Haswell Mobile (GT2),
        Haswell Mobile (GT2+), Haswell Server (GT1), Haswell Server (GT2),
        Haswell Server (GT2+), Haswell SDV Desktop (GT1),
        Haswell SDV Desktop (GT2), Haswell SDV Desktop (GT2+),
        Haswell SDV Mobile (GT1), Haswell SDV Mobile (GT2),
        Haswell SDV Mobile (GT2+), Haswell SDV Server (GT1),
        Haswell SDV Server (GT2), Haswell SDV Server (GT2+),
        Haswell ULT Desktop (GT1), Haswell ULT Desktop (GT2),
        Haswell ULT Desktop (GT2+), Haswell ULT Mobile (GT1),
        Haswell ULT Mobile (GT2), Haswell ULT Mobile (GT2+),
        Haswell ULT Server (GT1), Haswell ULT Server (GT2),
        Haswell ULT Server (GT2+), Haswell CRW Desktop (GT1),
        Haswell CRW Desktop (GT2), Haswell CRW Desktop (GT2+),
        Haswell CRW Mobile (GT1), Haswell CRW Mobile (GT2),
        Haswell CRW Mobile (GT2+), Haswell CRW Server (GT1),
        Haswell CRW Server (GT2), Haswell CRW Server (GT2+),
        ValleyView PO board
[    15.956] (II) VESA: driver for VESA chipsets: vesa
[    15.958] (WW) Falling back to old probe method for vesa
[    15.958] (II) intel(0): Creating default Display subsection in Screen 
section
        "Default Screen Section" for depth/fbbpp 24/32
[    15.958] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[    15.959] (==) intel(0): RGB weight 888
[    15.959] (==) intel(0): Default visual is TrueColor
[    15.959] (--) intel(0): Integrated Graphics Chipset: Intel(R) 915GM
[    15.961] (**) intel(0): Relaxed fencing disabled
[    15.961] (**) intel(0): Wait on SwapBuffers? enabled
[    15.961] (**) intel(0): Triple buffering? enabled
[    15.961] (**) intel(0): Framebuffer tiled
[    15.961] (**) intel(0): Pixmaps tiled
[    15.961] (**) intel(0): 3D buffers tiled
[    15.961] (**) intel(0): SwapBuffers wait enabled
[    15.961] (==) intel(0): video overlay key set to 0x101fe
[    15.962] (II) intel(0): Output LVDS1 has no monitor section
[    16.143] (II) intel(0): Output VGA1 has no monitor section
[    16.512] (II) intel(0): Output TV1 has no monitor section
[    16.513] (II) intel(0): EDID for output LVDS1
[    16.513] (II) intel(0): Manufacturer: LCD  Model: 5800  Serial#: 892678453
[    16.513] (II) intel(0): Year: 2005  Week: 29
[    16.513] (II) intel(0): EDID Version: 1.3
[    16.513] (II) intel(0): Digital Display Input
[    16.513] (II) intel(0): Max Image Size [cm]: horiz.: 26  vert.: 16
[    16.513] (II) intel(0): Gamma: 2.20
[    16.513] (II) intel(0): No DPMS capabilities specified
[    16.513] (II) intel(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4 
[    16.513] (II) intel(0): First detailed timing is preferred mode
[    16.513] (II) intel(0): redX: 0.617 redY: 0.332   greenX: 0.297 greenY: 
0.546
[    16.513] (II) intel(0): blueX: 0.147 blueY: 0.126   whiteX: 0.313 whiteY: 
0.329
[    16.514] (II) intel(0): Manufacturer's mask: 0
[    16.514] (II) intel(0): Supported standard timings:
[    16.514] (II) intel(0): #0: hsize: 1280  vsize 800  refresh: 60  vid: 129
[    16.514] (II) intel(0): Supported detailed timing:
[    16.514] (II) intel(0): clock: 79.5 MHz   Image Size:  264 x 159 mm
[    16.514] (II) intel(0): h_active: 1280  h_sync: 1344  h_sync_end 1472 
h_blank_end 1664 h_border: 0
[    16.514] (II) intel(0): v_active: 768  v_sync: 771  v_sync_end 778 
v_blanking: 798 v_border: 0
[    16.514] (II) intel(0): Supported detailed timing:
[    16.514] (II) intel(0): clock: 79.5 MHz   Image Size:  264 x 159 mm
[    16.514] (II) intel(0): h_active: 1280  h_sync: 1344  h_sync_end 1472 
h_blank_end 1664 h_border: 0
[    16.514] (II) intel(0): v_active: 768  v_sync: 771  v_sync_end 778 
v_blanking: 798 v_border: 0
[    16.514] (II) intel(0):  G6742¢121EX9
[    16.514] (II) intel(0):  Œ¯¡•x]8
[    16.514] (II) intel(0): EDID (in hex):
[    16.514] (II) intel(0):     00ffffffffffff003064005835313535
[    16.514] (II) intel(0):     1d0f0103801a10780a03d59e554c8b25
[    16.514] (II) intel(0):     20505400000081000101010101010101
[    16.514] (II) intel(0):     0101010101010e1f008051001e304080
[    16.514] (II) intel(0):     3700089f100000180e1f008051001e30
[    16.514] (II) intel(0):     40803700089f10000001000000fe0047
[    16.514] (II) intel(0):     36373432a23132314558390a000000fe
[    16.514] (II) intel(0):     00bcafa195785d380001010a202000a1
[    16.515] (II) intel(0): Not using default mode "320x240" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "400x300" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "400x300" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "512x384" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "640x480" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "640x512" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "800x600" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "896x672" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "928x696" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "960x720" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "700x525" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Not using default mode "1024x768" (doublescan mode 
not supported)
[    16.515] (II) intel(0): Printing probed modes for output LVDS1
[    16.515] (II) intel(0): Modeline "1280x768"x59.9   79.50  1280 1344 1472 
1664  768 771 778 798 -hsync -vsync (47.8 kHz eP)
[    16.515] (II) intel(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184 
1344  768 771 777 806 -hsync -vsync (48.4 kHz d)
[    16.515] (II) intel(0): Modeline "800x600"x60.3   40.00  800 840 968 1056  
600 601 605 628 +hsync +vsync (37.9 kHz d)
[    16.515] (II) intel(0): Modeline "800x600"x56.2   36.00  800 824 896 1024  
600 601 603 625 +hsync +vsync (35.2 kHz d)
[    16.515] (II) intel(0): Modeline "640x480"x59.9   25.18  640 656 752 800  
480 490 492 525 -hsync -vsync (31.5 kHz d)
[    16.696] (II) intel(0): EDID for output VGA1
[    17.073] (II) intel(0): EDID for output TV1
[    17.073] (II) intel(0): Output LVDS1 connected
[    17.073] (II) intel(0): Output VGA1 disconnected
[    17.073] (II) intel(0): Output TV1 disconnected
[    17.073] (II) intel(0): Using exact sizes for initial modes
[    17.073] (II) intel(0): Output LVDS1 using initial mode 1280x768
[    17.073] (II) intel(0): Using default gamma of (1.0, 1.0, 1.0) unless 
otherwise stated.
[    17.073] (II) intel(0): Kernel page flipping support detected, enabling
[    17.073] (==) intel(0): DPI set to (96, 96)
[    17.073] (II) Loading sub module "fb"
[    17.073] (II) LoadModule: "fb"
[    17.078] (II) Loading /usr/X11R6/lib/modules/libfb.so
[    17.081] (II) Module fb: vendor="X.Org Foundation"
[    17.081]    compiled for 1.14.1, module version = 1.0.0
[    17.081]    ABI class: X.Org ANSI C Emulation, version 0.4
[    17.081] (II) Loading sub module "dri2"
[    17.081] (II) LoadModule: "dri2"
[    17.081] (II) Module "dri2" already built-in
[    17.081] (II) UnloadModule: "vesa"
[    17.081] (II) Unloading vesa
[    17.081] (==) Depth 24 pixmap format is 32 bpp
[    17.084] (II) intel(0): [DRI2] Setup complete
[    17.084] (II) intel(0): [DRI2]   DRI driver: i915
[    17.084] (II) intel(0): Allocated new frame buffer 1280x768 stride 8192, 
tiled
[    17.089] (II) UXA(0): Driver registered support for the following 
operations:
[    17.089] (II)         solid
[    17.089] (II)         copy
[    17.089] (II)         composite (RENDER acceleration)
[    17.089] (II)         put_image
[    17.089] (II)         get_image
[    17.089] (==) intel(0): Backing store disabled
[    17.089] (==) intel(0): Silken mouse disabled
[    17.090] (II) intel(0): Initializing HW Cursor
[    17.090] (II) intel(0): RandR 1.2 enabled, ignore the following RandR 
disabled message.
[    17.094] (==) intel(0): DPMS enabled
[    17.094] (==) intel(0): Intel XvMC decoder disabled
[    17.095] (II) intel(0): Set up textured video
[    17.096] (II) intel(0): Set up overlay video
[    17.097] (II) intel(0): direct rendering: DRI2 Enabled
[    17.170] (--) RandR disabled
[    17.270] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[    17.271] (II) AIGLX: enabled GLX_INTEL_swap_event
[    17.271] (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
[    17.271] (II) AIGLX: enabled GLX_SGI_make_current_read
[    17.271] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
[    17.271] (II) AIGLX: Loaded and initialized i915
[    17.271] (II) GLX: Initialized DRI2 GL provider for screen 0
[    17.274] (II) intel(0): Setting screen physical size to 338 x 203
[    17.732] (II) config/wscons: checking input device /dev/wskbd
[    17.732] (II) wskbd: ignoring "user" layout
[    17.732] (II) LoadModule: "kbd"
[    17.735] (II) Loading /usr/X11R6/lib/modules/input/kbd_drv.so
[    17.737] (II) Module kbd: vendor="X.Org Foundation"
[    17.737]    compiled for 1.14.1, module version = 1.7.0
[    17.737]    Module class: X.Org XInput Driver
[    17.737]    ABI class: X.Org XInput driver, version 19.1
[    17.737] (II) Using input driver 'kbd' for '/dev/wskbd'
[    17.737] (**) /dev/wskbd: always reports core events
[    17.737] (**) /dev/wskbd: always reports core events
[    17.737] (**) Option "Protocol" "standard"
[    17.737] (**) Option "XkbRules" "base"
[    17.737] (**) Option "XkbModel" "pc105"
[    17.737] (**) Option "XkbLayout" "us"
[    17.737] (II) XINPUT: Adding extended input device "/dev/wskbd" (type: 
KEYBOARD, id 6)
[    18.153] (II) config/wscons: checking input device /dev/wsmouse0
[    18.153] (II) LoadModule: "synaptics"
[    18.156] (II) Loading /usr/X11R6/lib/modules/input/synaptics_drv.so
[    18.158] (II) Module synaptics: vendor="X.Org Foundation"
[    18.158]    compiled for 1.14.1, module version = 1.7.1
[    18.158]    Module class: X.Org XInput Driver
[    18.158]    ABI class: X.Org XInput driver, version 19.1
[    18.158] (II) Using input driver 'synaptics' for '/dev/wsmouse0'
[    18.158] (**) /dev/wsmouse0: always reports core events
[    18.158] (**) Option "Device" "/dev/wsmouse0"
[    19.047] (--) synaptics: /dev/wsmouse0: x-axis range 1472 - 5472 resolution 
100
[    19.047] (--) synaptics: /dev/wsmouse0: y-axis range 1408 - 4448 resolution 
110
[    19.047] (**) /dev/wsmouse0: always reports core events
[    19.047] (II) XINPUT: Adding extended input device "/dev/wsmouse0" (type: 
TOUCHPAD, id 7)
[    19.048] (**) synaptics: /dev/wsmouse0: (accel) MinSpeed is now constant 
deceleration 2.5
[    19.048] (**) synaptics: /dev/wsmouse0: (accel) MaxSpeed is now 1.75
[    19.048] (**) synaptics: /dev/wsmouse0: (accel) AccelFactor is now 0.040
[    19.049] (**) /dev/wsmouse0: (accel) keeping acceleration scheme 1
[    19.049] (**) /dev/wsmouse0: (accel) acceleration profile 1
[    19.049] (**) /dev/wsmouse0: (accel) acceleration factor: 2.000
[    19.049] (**) /dev/wsmouse0: (accel) acceleration threshold: 4
[    19.494] (II) config/wscons: checking input device /dev/wsmouse
[    19.494] (II) LoadModule: "ws"
[    19.498] (II) Loading /usr/X11R6/lib/modules/input/ws_drv.so
[    19.499] (II) Module ws: vendor="X.Org Foundation"
[    19.499]    compiled for 1.14.1, module version = 1.3.0
[    19.499]    Module class: X.Org XInput Driver
[    19.499]    ABI class: X.Org XInput driver, version 19.1
[    19.499] (II) Using input driver 'ws' for '/dev/wsmouse'
[    19.499] (**) /dev/wsmouse: always reports core events
[    19.499] (II) ws: /dev/wsmouse: debuglevel 0
[    19.499] (**) Option "Device" "/dev/wsmouse"
[    19.500] (**) ws: /dev/wsmouse: ZAxisMapping: buttons 4 and 5
[    19.500] (**) ws: /dev/wsmouse: WAxisMapping: buttons 6 and 7
[    19.500] (**) ws: /dev/wsmouse: associated screen: 0
[    19.500] (II) ws: /dev/wsmouse: minimum x position: 0
[    19.500] (II) ws: /dev/wsmouse: maximum x position: 1279
[    19.500] (II) ws: /dev/wsmouse: minimum y position: 0
[    19.500] (II) ws: /dev/wsmouse: maximum y position: 767
[    19.500] (==) ws: /dev/wsmouse: Buttons: 7
[    19.500] (**) ws: /dev/wsmouse: YAxisMapping: buttons 4 and 5
[    19.500] (II) XINPUT: Adding extended input device "/dev/wsmouse" (type: 
MOUSE, id 8)
[    19.501] (**) /dev/wsmouse: (accel) keeping acceleration scheme 1
[    19.501] (**) /dev/wsmouse: (accel) acceleration profile 0
[    19.501] (**) /dev/wsmouse: (accel) acceleration factor: 2.000
[    19.501] (**) /dev/wsmouse: (accel) acceleration threshold: 4
[   398.354] (II) UnloadModule: "ws"
[   398.354] (II) UnloadModule: "synaptics"
[   398.354] (II) UnloadModule: "kbd"
[   399.196] 8 XSELINUXs still allocated at reset
[   399.196] SCREEN: 0 objects of 188 bytes = 0 total bytes 0 private allocs
[   399.196] DEVICE: 0 objects of 64 bytes = 0 total bytes 0 private allocs
[   399.196] CLIENT: 0 objects of 152 bytes = 0 total bytes 0 private allocs
[   399.196] WINDOW: 0 objects of 28 bytes = 0 total bytes 0 private allocs
[   399.196] PIXMAP: 1 objects of 16 bytes = 16 total bytes 0 private allocs
[   399.196] GC: 4 objects of 8 bytes = 32 total bytes 0 private allocs
[   399.196] CURSOR: 0 objects of 4 bytes = 0 total bytes 0 private allocs
[   399.196] DBE_WINDOW: 0 objects of 12 bytes = 0 total bytes 0 private allocs
[   399.196] GLYPH: 0 objects of 4 bytes = 0 total bytes 0 private allocs
[   399.196] TOTAL: 5 objects, 48 bytes, 0 allocs
[   399.196] 3 SELECTIONs still allocated at reset
[   399.196] WINDOW: 0 objects of 28 bytes = 0 total bytes 0 private allocs
[   399.196] PIXMAP: 1 objects of 16 bytes = 16 total bytes 0 private allocs
[   399.196] GC: 4 objects of 8 bytes = 32 total bytes 0 private allocs
[   399.197] CURSOR: 0 objects of 4 bytes = 0 total bytes 0 private allocs
[   399.197] DBE_WINDOW: 0 objects of 12 bytes = 0 total bytes 0 private allocs
[   399.197] GLYPH: 0 objects of 4 bytes = 0 total bytes 0 private allocs
[   399.197] TOTAL: 5 objects, 48 bytes, 0 allocs
[   399.197] 1 PIXMAPs still allocated at reset
[   399.197] PIXMAP: 1 objects of 16 bytes = 16 total bytes 0 private allocs
[   399.197] GC: 4 objects of 8 bytes = 32 total bytes 0 private allocs
[   399.197] CURSOR: 0 objects of 4 bytes = 0 total bytes 0 private allocs
[   399.197] DBE_WINDOW: 0 objects of 12 bytes = 0 total bytes 0 private allocs
[   399.197] GLYPH: 0 objects of 4 bytes = 0 total bytes 0 private allocs
[   399.197] TOTAL: 5 objects, 48 bytes, 0 allocs
[   399.197] 4 GCs still allocated at reset
[   399.197] GC: 4 objects of 8 bytes = 32 total bytes 0 private allocs
[   399.197] CURSOR: 0 objects of 4 bytes = 0 total bytes 0 private allocs
[   399.197] DBE_WINDOW: 0 objects of 12 bytes = 0 total bytes 0 private allocs
[   399.197] GLYPH: 0 objects of 4 bytes = 0 total bytes 0 private allocs
[   399.197] TOTAL: 4 objects, 32 bytes, 0 allocs
[   399.201] (II) APM registered successfully
[   399.201] (II) intel(0): [DRI2] Setup complete
[   399.201] (II) intel(0): [DRI2]   DRI driver: i915
[   399.201] (II) intel(0): Allocated new frame buffer 1280x768 stride 8192, 
tiled
[   399.201] (II) UXA(0): Driver registered support for the following 
operations:
[   399.201] (II)         solid
[   399.201] (II)         copy
[   399.201] (II)         composite (RENDER acceleration)
[   399.201] (II)         put_image
[   399.201] (II)         get_image
[   399.201] (II) intel(0): Initializing HW Cursor
[   399.202] (II) intel(0): RandR 1.2 enabled, ignore the following RandR 
disabled message.
[   399.202] (==) intel(0): DPMS enabled
[   399.202] (==) intel(0): Intel XvMC decoder disabled
[   399.202] (II) intel(0): Set up textured video
[   399.202] (II) intel(0): Set up overlay video
[   399.203] (II) intel(0): direct rendering: DRI2 Enabled
[   399.806] (--) RandR disabled
[   399.901] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[   399.901] (II) AIGLX: enabled GLX_INTEL_swap_event
[   399.901] (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
[   399.901] (II) AIGLX: enabled GLX_SGI_make_current_read
[   399.901] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
[   399.902] (II) AIGLX: Loaded and initialized i915
[   399.902] (II) GLX: Initialized DRI2 GL provider for screen 0
[   399.904] (II) intel(0): Setting screen physical size to 338 x 203
[   400.595] (II) config/wscons: checking input device /dev/wskbd
[   400.595] (II) wskbd: ignoring "user" layout
[   400.595] (II) Using input driver 'kbd' for '/dev/wskbd'
[   400.595] (**) /dev/wskbd: always reports core events
[   400.595] (**) /dev/wskbd: always reports core events
[   400.595] (**) Option "Protocol" "standard"
[   400.596] (**) Option "XkbRules" "base"
[   400.596] (**) Option "XkbModel" "pc105"
[   400.596] (**) Option "XkbLayout" "us"
[   401.013] (II) config/wscons: checking input device /dev/wsmouse0
[   401.013] (II) Using input driver 'synaptics' for '/dev/wsmouse0'
[   401.013] (**) /dev/wsmouse0: always reports core events
[   401.013] (**) Option "Device" "/dev/wsmouse0"
[   401.903] (--) synaptics: /dev/wsmouse0: x-axis range 1472 - 5472 resolution 
100
[   401.903] (--) synaptics: /dev/wsmouse0: y-axis range 1408 - 4448 resolution 
110
[   401.903] (**) /dev/wsmouse0: always reports core events
[   401.903] (**) synaptics: /dev/wsmouse0: (accel) MinSpeed is now constant 
deceleration 2.5
[   401.903] (**) synaptics: /dev/wsmouse0: (accel) MaxSpeed is now 1.75
[   401.903] (**) synaptics: /dev/wsmouse0: (accel) AccelFactor is now 0.040
[   401.904] (**) /dev/wsmouse0: (accel) keeping acceleration scheme 1
[   401.904] (**) /dev/wsmouse0: (accel) acceleration profile 1
[   401.904] (**) /dev/wsmouse0: (accel) acceleration factor: 2.000
[   401.904] (**) /dev/wsmouse0: (accel) acceleration threshold: 4
[   402.350] (II) config/wscons: checking input device /dev/wsmouse
[   402.350] (II) Using input driver 'ws' for '/dev/wsmouse'
[   402.350] (**) /dev/wsmouse: always reports core events
[   402.350] (II) ws: /dev/wsmouse: debuglevel 0
[   402.350] (**) Option "Device" "/dev/wsmouse"
[   402.350] (**) ws: /dev/wsmouse: ZAxisMapping: buttons 4 and 5
[   402.350] (**) ws: /dev/wsmouse: WAxisMapping: buttons 6 and 7
[   402.350] (**) ws: /dev/wsmouse: associated screen: 0
[   402.350] (II) ws: /dev/wsmouse: minimum x position: 0
[   402.350] (II) ws: /dev/wsmouse: maximum x position: 1279
[   402.350] (II) ws: /dev/wsmouse: minimum y position: 0
[   402.350] (II) ws: /dev/wsmouse: maximum y position: 767
[   402.350] (==) ws: /dev/wsmouse: Buttons: 7
[   402.350] (**) ws: /dev/wsmouse: YAxisMapping: buttons 4 and 5
[   402.351] (**) /dev/wsmouse: (accel) keeping acceleration scheme 1
[   402.351] (**) /dev/wsmouse: (accel) acceleration profile 0
[   402.351] (**) /dev/wsmouse: (accel) acceleration factor: 2.000
[   402.351] (**) /dev/wsmouse: (accel) acceleration threshold: 4
[   849.898] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[  1236.027] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[  9418.832] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[  9440.870] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[  9862.747] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 10328.440] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 11640.016] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 13221.791] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 13957.663] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 14486.745] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 14504.814] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 14692.829] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 14888.693] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 14905.912] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 15187.470] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 15194.869] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 15205.338] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 15389.304] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.
[ 15847.988] (EE) intel(0): Failed to submit batch buffer, expect rendering 
corruption or even a frozen display: Unknown error: -4.

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