Re: bin/53891: sandy bridge i965 SNA bus error

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

The following reply was made to PR bin/53891; it has been noted by GNATS.

From: Patrick Welche <prlw1%cam.ac.uk@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: bin/53891: sandy bridge i965 SNA bus error
Date: Thu, 24 Jan 2019 09:09:14 +0000

 As mrg enabled backtrace -> log, here is another example - 0x12 is an
 interesting address...
 
 
 [   240.539] 
 X.Org X Server 1.20.3
 X Protocol Version 11, Revision 0
 [   240.539] Build Operating System: NetBSD/amd64 8.99.30 - The NetBSD Foundation, Inc.
 [   240.539] Current Operating System: NetBSD quark 8.99.30 NetBSD 8.99.30 (QUARK) #282: Tue Jan 22 10:27:02 GMT 2019  prlw1@quark:/usr/src/sys/arch/amd64/compile/QUARK amd64
 [   240.539] Build Date: 25 December 2018  01:10:31PM
 [   240.539]  
 [   240.539] Current version of pixman: 0.36.0
 [   240.539] 	Before reporting problems, check http://wiki.x.org
 	to make sure that you have the latest version.
 [   240.539] Markers: (--) probed, (**) from config file, (==) default setting,
 	(++) from command line, (!!) notice, (II) informational,
 	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
 [   240.539] (==) Log file: "/var/log/Xorg.0.log", Time: Wed Jan 23 21:08:00 2019
 [   240.539] (II) Loader magic: 0x68ea40
 [   240.539] (II) Module ABI versions:
 [   240.539] 	X.Org ANSI C Emulation: 0.4
 [   240.539] 	X.Org Video Driver: 24.0
 [   240.539] 	X.Org XInput driver : 24.1
 [   240.539] 	X.Org Server Extension : 10.0
 [   240.545] (--) PCI:*(0@0:2:0) 8086:0126:1179:0005 rev 9, Mem @ 0xc0000000/4194304, 0xb0000000/268435456, I/O @ 0x00003000/64
 [   240.545] (==) Using default built-in configuration (30 lines)
 [   240.545] (==) --- Start of built-in configuration ---
 [   240.545] 	Section "Device"
 [   240.545] 		Identifier	"Builtin Default intel Device 0"
 [   240.545] 		Driver	"intel"
 [   240.545] 	EndSection
 [   240.545] 	Section "Screen"
 [   240.545] 		Identifier	"Builtin Default intel Screen 0"
 [   240.545] 		Device	"Builtin Default intel Device 0"
 [   240.545] 	EndSection
 [   240.545] 	Section "Device"
 [   240.545] 		Identifier	"Builtin Default fbdev Device 0"
 [   240.545] 		Driver	"fbdev"
 [   240.545] 	EndSection
 [   240.545] 	Section "Screen"
 [   240.545] 		Identifier	"Builtin Default fbdev Screen 0"
 [   240.545] 		Device	"Builtin Default fbdev Device 0"
 [   240.545] 	EndSection
 [   240.545] 	Section "Device"
 [   240.545] 		Identifier	"Builtin Default vesa Device 0"
 [   240.545] 		Driver	"vesa"
 [   240.546] 	EndSection
 [   240.546] 	Section "Screen"
 [   240.546] 		Identifier	"Builtin Default vesa Screen 0"
 [   240.546] 		Device	"Builtin Default vesa Device 0"
 [   240.546] 	EndSection
 [   240.546] 	Section "ServerLayout"
 [   240.546] 		Identifier	"Builtin Default Layout"
 [   240.546] 		Screen	"Builtin Default intel Screen 0"
 [   240.546] 		Screen	"Builtin Default fbdev Screen 0"
 [   240.546] 		Screen	"Builtin Default vesa Screen 0"
 [   240.546] 	EndSection
 [   240.546] (==) --- End of built-in configuration ---
 [   240.546] (==) ServerLayout "Builtin Default Layout"
 [   240.546] (**) |-->Screen "Builtin Default intel Screen 0" (0)
 [   240.546] (**) |   |-->Monitor "<default monitor>"
 [   240.546] (**) |   |-->Device "Builtin Default intel Device 0"
 [   240.546] (==) No monitor specified for screen "Builtin Default intel Screen 0".
 	Using a default monitor configuration.
 [   240.546] (**) |-->Screen "Builtin Default fbdev Screen 0" (1)
 [   240.546] (**) |   |-->Monitor "<default monitor>"
 [   240.546] (**) |   |-->Device "Builtin Default fbdev Device 0"
 [   240.546] (==) No monitor specified for screen "Builtin Default fbdev Screen 0".
 	Using a default monitor configuration.
 [   240.546] (**) |-->Screen "Builtin Default vesa Screen 0" (2)
 [   240.546] (**) |   |-->Monitor "<default monitor>"
 [   240.546] (**) |   |-->Device "Builtin Default vesa Device 0"
 [   240.546] (==) No monitor specified for screen "Builtin Default vesa Screen 0".
 	Using a default monitor configuration.
 [   240.546] (==) Not automatically adding devices
 [   240.546] (==) Not automatically enabling devices
 [   240.546] (==) Not automatically adding GPU devices
 [   240.546] (==) Max clients allowed: 256, resource mask: 0x1fffff
 [   240.546] (==) FontPath set to:
 	/usr/X11R7/lib/X11/fonts/misc/,
 	/usr/X11R7/lib/X11/fonts/TTF/,
 	/usr/X11R7/lib/X11/fonts/Type1/,
 	/usr/X11R7/lib/X11/fonts/75dpi/,
 	/usr/X11R7/lib/X11/fonts/100dpi/
 [   240.546] (==) ModulePath set to "/usr/X11R7/lib/modules"
 [   240.546] (==) |-->Input Device "<default pointer>"
 [   240.547] (==) |-->Input Device "<default keyboard>"
 [   240.547] (==) The core pointer device wasn't specified explicitly in the layout.
 	Using the default mouse configuration.
 [   240.547] (==) The core keyboard device wasn't specified explicitly in the layout.
 	Using the default keyboard configuration.
 [   240.547] (II) LoadModule: "glx"
 [   240.547] (II) Loading /usr/X11R7/lib/modules/extensions/libglx.so
 [   240.547] (II) Module glx: vendor="X.Org Foundation"
 [   240.547] 	compiled for 1.20.3, module version = 1.0.0
 [   240.547] 	ABI class: X.Org Server Extension, version 10.0
 [   240.547] (II) LoadModule: "intel"
 [   240.548] (II) Loading /usr/X11R7/lib/modules/drivers/intel_drv.so
 [   240.548] (II) Module intel: vendor="X.Org Foundation"
 [   240.548] 	compiled for 1.20.3, module version = 2.99.917
 [   240.548] 	Module class: X.Org Video Driver
 [   240.548] 	ABI class: X.Org Video Driver, version 24.0
 [   240.548] (II) LoadModule: "fbdev"
 [   240.549] (WW) Warning, couldn't open module fbdev
 [   240.549] (EE) Failed to load module "fbdev" (module does not exist, 0)
 [   240.549] (II) LoadModule: "vesa"
 [   240.549] (II) Loading /usr/X11R7/lib/modules/drivers/vesa_drv.so
 [   240.550] (II) Module vesa: vendor="X.Org Foundation"
 [   240.550] 	compiled for 1.20.3, module version = 2.4.0
 [   240.550] 	Module class: X.Org Video Driver
 [   240.550] 	ABI class: X.Org Video Driver, version 24.0
 [   240.550] (II) LoadModule: "mouse"
 [   240.550] (II) Loading /usr/X11R7/lib/modules/drivers/mouse_drv.so
 [   240.550] (II) Module mouse: vendor="X.Org Foundation"
 [   240.550] 	compiled for 1.20.3, module version = 1.9.2
 [   240.550] 	Module class: X.Org XInput Driver
 [   240.550] 	ABI class: X.Org XInput driver, version 24.1
 [   240.550] (II) LoadModule: "kbd"
 [   240.551] (II) Loading /usr/X11R7/lib/modules/drivers/kbd_drv.so
 [   240.551] (II) Module kbd: vendor="X.Org Foundation"
 [   240.551] 	compiled for 1.20.3, module version = 1.9.0
 [   240.551] 	Module class: X.Org XInput Driver
 [   240.551] 	ABI class: X.Org XInput driver, version 24.1
 [   240.551] (II) intel: Driver for Intel(R) 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
 [   240.551] (II) intel: Driver for Intel(R) HD Graphics: 2000-6000
 [   240.551] (II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100
 [   240.551] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200, 6200, P6300
 [   240.551] (II) VESA: driver for VESA chipsets: vesa
 [   240.551] (--) Using wscons driver on /dev/ttyE7 in pcvt compatibility mode (version 3.32)
 [   240.551] (--) using VT number 8
 [   240.557] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20151010
 [   240.558] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
 [   240.558] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD Graphics 3000
 [   240.558] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2, avx
 [   240.558] (II) intel(0): Creating default Display subsection in Screen section
 	"Builtin Default intel Screen 0" for depth/fbbpp 24/32
 [   240.558] (==) intel(0): Depth 24, (--) framebuffer bpp 32
 [   240.558] (==) intel(0): RGB weight 888
 [   240.558] (==) intel(0): Default visual is TrueColor
 [   240.560] (II) intel(0): Output LVDS1 has no monitor section
 [   240.561] (II) intel(0): Enabled output LVDS1
 [   240.561] (II) intel(0): Output VGA1 has no monitor section
 [   240.561] (II) intel(0): Enabled output VGA1
 [   240.561] (II) intel(0): Output HDMI1 has no monitor section
 [   240.561] (II) intel(0): Enabled output HDMI1
 [   240.561] (II) intel(0): Output DP1 has no monitor section
 [   240.561] (II) intel(0): Enabled output DP1
 [   240.561] (II) intel(0): Output HDMI2 has no monitor section
 [   240.561] (II) intel(0): Enabled output HDMI2
 [   240.561] (II) intel(0): Output HDMI3 has no monitor section
 [   240.561] (II) intel(0): Enabled output HDMI3
 [   240.561] (II) intel(0): Output DP2 has no monitor section
 [   240.561] (II) intel(0): Enabled output DP2
 [   240.561] (II) intel(0): Output DP3 has no monitor section
 [   240.561] (II) intel(0): Enabled output DP3
 [   240.561] (--) intel(0): Using a maximum size of 256x256 for hardware cursors
 [   240.561] (II) intel(0): Output VIRTUAL1 has no monitor section
 [   240.561] (II) intel(0): Enabled output VIRTUAL1
 [   240.561] (--) intel(0): Output LVDS1 using initial mode 1366x768 on pipe 0
 [   240.561] (==) intel(0): TearFree disabled
 [   240.561] (==) intel(0): Using gamma correction (1.0, 1.0, 1.0)
 [   240.561] (==) intel(0): DPI set to (96, 96)
 [   240.561] (II) Loading sub module "dri2"
 [   240.561] (II) LoadModule: "dri2"
 [   240.561] (II) Module "dri2" already built-in
 [   240.561] (II) UnloadModule: "vesa"
 [   240.561] (II) Unloading vesa
 [   240.564] (II) intel(0): SNA initialized with Sandybridge (gen6, gt2) backend
 [   240.564] (==) intel(0): Backing store enabled
 [   240.564] (==) intel(0): Silken mouse enabled
 [   240.564] (II) intel(0): HW Cursor enabled
 [   240.564] (==) intel(0): DPMS enabled
 [   240.565] (II) intel(0): [DRI2] Setup complete
 [   240.565] (II) intel(0): [DRI2]   DRI driver: i965
 [   240.565] (II) intel(0): [DRI2]   VDPAU driver: i965
 [   240.565] (II) intel(0): direct rendering: DRI2 enabled
 [   240.565] (II) Initializing extension Generic Event Extension
 [   240.565] (II) Initializing extension SHAPE
 [   240.565] (II) Initializing extension MIT-SHM
 [   240.565] (II) Initializing extension XInputExtension
 [   240.566] (II) Initializing extension XTEST
 [   240.566] (II) Initializing extension BIG-REQUESTS
 [   240.567] (II) Initializing extension SYNC
 [   240.567] (II) Initializing extension XKEYBOARD
 [   240.567] (II) Initializing extension XC-MISC
 [   240.567] (II) Initializing extension SECURITY
 [   240.568] (II) Initializing extension XFIXES
 [   240.568] (II) Initializing extension XFree86-Bigfont
 [   240.568] (II) Initializing extension RENDER
 [   240.569] (II) Initializing extension RANDR
 [   240.569] (II) Initializing extension COMPOSITE
 [   240.570] (II) Initializing extension DAMAGE
 [   240.570] (II) Initializing extension MIT-SCREEN-SAVER
 [   240.570] (II) Initializing extension DOUBLE-BUFFER
 [   240.571] (II) Initializing extension RECORD
 [   240.571] (II) Initializing extension DPMS
 [   240.571] (II) Initializing extension Present
 [   240.571] (II) Initializing extension X-Resource
 [   240.572] (II) Initializing extension XVideo
 [   240.572] (II) Initializing extension XVideo-MotionCompensation
 [   240.572] (II) Initializing extension GLX
 [   240.575] (II) AIGLX: Loaded and initialized i965
 [   240.575] (II) GLX: Initialized DRI2 GL provider for screen 0
 [   240.575] (II) Initializing extension XFree86-VidModeExtension
 [   240.575] (II) Initializing extension XFree86-DGA
 [   240.575] (II) Initializing extension XFree86-DRI
 [   240.575] (II) Initializing extension DRI2
 [   240.578] (II) intel(0): switch to mode 1366x768@60.2 on LVDS1 using pipe 0, position (0, 0), rotation normal, reflection none
 [   240.586] (II) intel(0): Setting screen physical size to 361 x 203
 [   240.647] (II) Using input driver 'mouse' for '<default pointer>'
 [   240.647] (**) Option "CorePointer" "on"
 [   240.647] (**) <default pointer>: always reports core events
 [   240.647] (WW) <default pointer>: No Device specified, looking for one...
 [   240.735] (II) <default pointer>: found Device "/dev/wsmouse"
 [   240.737] (--) <default pointer>: Device: "/dev/wsmouse"
 [   240.737] (==) <default pointer>: Protocol: "WSMouse"
 [   240.737] (**) <default pointer>: always reports core events
 [   240.737] (**) Option "Device" "/dev/wsmouse"
 [   240.828] (==) <default pointer>: Emulate3Buttons, Emulate3Timeout: 50
 [   240.828] (**) <default pointer>: ZAxisMapping: buttons 4 and 5
 [   240.828] (**) <default pointer>: Buttons: 9
 [   240.828] (II) XINPUT: Adding extended input device "<default pointer>" (type: MOUSE, id 6)
 [   240.828] (**) <default pointer>: (accel) keeping acceleration scheme 1
 [   240.828] (**) <default pointer>: (accel) acceleration profile 0
 [   240.828] (**) <default pointer>: (accel) acceleration factor: 2.000
 [   240.828] (**) <default pointer>: (accel) acceleration threshold: 4
 [   240.916] (II) Using input driver 'kbd' for '<default keyboard>'
 [   240.916] (**) Option "CoreKeyboard" "on"
 [   240.916] (**) <default keyboard>: always reports core events
 [   240.916] (**) <default keyboard>: always reports core events
 [   240.916] (**) Option "Protocol" "standard"
 [   240.916] (**) Option "XkbRules" "base"
 [   240.916] (**) Option "XkbModel" "pc105"
 [   240.916] (**) Option "XkbLayout" "us"
 [   240.916] (II) XINPUT: Adding extended input device "<default keyboard>" (type: KEYBOARD, id 7)
 [   245.830] (EE) 
 [   245.830] (EE) Backtrace:
 [   245.836] (EE) 0: /usr/X11R7/bin/X (xorg_backtrace+0x3d) [0x3b37d3]
 [   245.836] (EE) 1: /usr/X11R7/bin/X (os_move_fd+0x67) [0x3af9f9]
 [   245.836] (EE) 2: /usr/lib/libc.so.12 (__sigtramp_siginfo_2+0x0) [0x7f7ff32a9ac0]
 [   245.836] (EE) 
 [   245.836] (EE) Segmentation fault at address 0x12
 [   245.836] (EE) 
 Fatal server error:
 [   245.836] (EE) Caught signal 11 (Segmentation fault). Server aborting
 [   245.836] (EE) 
 [   245.836] (EE) 
 Please consult the The X.Org Foundation support 
 	 at http://wiki.x.org
  for help. 
 [   245.837] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
 [   245.837] (EE) 
 [   245.837] (II) AIGLX: Suspending AIGLX clients for VT switch
 [   245.869] (EE) Server terminated with error (1). Closing log file.