Bug#576813: marked as done (xserver-xorg-core: xserver locks up when gdb attaches to it)

To: Julien Cristau <jcristau@debian.org>
Subject: Bug#576813: marked as done (xserver-xorg-core: xserver locks up when gdb attaches to it)
From: owner@bugs.debian.org (Debian Bug Tracking System)
Date: Fri, 16 Apr 2010 18:24:06 +0000
Message-id: <[🔎] handler.576813.D576813.127144208921772.ackdone@bugs.debian.org>
References: <20100416182047.GR15147@radis.liafa.jussieu.fr> <[🔎] 20100407124534.2465.43883.reportbug@am64.localdomain>

Your message dated Fri, 16 Apr 2010 20:20:47 +0200
with message-id <20100416182047.GR15147@radis.liafa.jussieu.fr>
and subject line Re: Bug#576813: Acknowledgement (xserver-xorg-core: xserver locks up when gdb attaches to it)
has caused the Debian Bug report #576813,
regarding xserver-xorg-core: xserver locks up when gdb attaches to it
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
576813: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=576813
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

--- Begin Message ---

To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: xserver-xorg-core: xserver locks up when gdb attaches to it
From: Arthur Marsh <arthur.marsh@internode.on.net>
Date: Wed, 07 Apr 2010 22:15:34 +0930
Message-id: <[🔎] 20100407124534.2465.43883.reportbug@am64.localdomain>

Package: xserver-xorg-core
Version: 2:1.7.6-2
Severity: normal


I tried using the instructions at:
 http://wiki.debian.org/XStrikeForce/XserverDebugging

but when I ran 

# gdb -p $(pidof X) 

I had a lockup of the Xserver with the following message:


Loaded symbols for /usr/lib/dri/r600_dri.so
Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libexpat.so.1
Reading symbols from /usr/lib/xorg/modules/input/evdev_drv.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/input/evdev_drv.so
0x00000030016c4f33 in __select_nocancel () from /lib/libc.so.6
(gdb) bt
#0  0x00000030016c4f33 in __select_nocancel () from /lib/libc.so.6
#1  0x000000000045bf4a in WaitForSomething (
    pClientsReady=<value optimized out>) at ../../os/WaitFor.c:229
#2  0x00000000004343b2 in Dispatch () at ../../dix/dispatch.c:375
#3  0x0000000000425c1a in main (argc=8, argv=0x7d78e8,
    envp=<value optimized out>) at ../../dix/main.c:285
(gdb) quit



-- Package-specific info:
/var/lib/x11/X.roster does not exist.

/var/lib/x11/X.md5sum does not exist.

X server symlink status:
lrwxrwxrwx 1 root root 13 Apr 10  2009 /etc/X11/X -> /usr/bin/Xorg
-rwxr-xr-x 1 root root 1918928 Apr  6 00:07 /usr/bin/Xorg

/var/lib/x11/xorg.conf.roster does not exist.

VGA-compatible devices on PCI bus:
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon HD 3200 Graphics

/var/lib/x11/xorg.conf.md5sum does not exist.

Xorg X server configuration file status:
-rw-r--r-- 1 root root 1165 Apr  7 20:46 /etc/X11/xorg.conf

Contents of /etc/X11/xorg.conf:
# xorg.conf (X.Org X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg
Section "ServerLayout"
	Identifier "main-server"
	Screen "main-screen"
	Option	"NoTrapSignals"
EndSection

Section "Screen"
	Identifier "main-screen"
	Device "Radeon 3200"
	Monitor "hp-vga"
EndSection

Section "Monitor"
	Identifier "hp-vga"
EndSection

Section "Device"
	Identifier	"Radeon 3200"
	#Driver		"vesa"
	#Driver		"radeonhd"
	Driver		"radeon"
        #Option          "AccelMethod"   "shadowfb"
        Option          "AccelMethod"   "exa"
        #Option          "AccelMethod"   "xaa"
	Option		"DRI" "on"
	#Option		"DRI" "off"
EndSection


Xorg X server log files on system:
-rw-r--r-- 1 root root 18157 Apr  7 22:10 /var/log/Xorg.0.log

Contents of most recent Xorg X server log file
/var/log/Xorg.0.log:

X.Org X Server 1.7.6
Release Date: 2010-03-17
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.32-4-amd64 x86_64 Debian
Current Operating System: Linux am64 2.6.32 #1 SMP PREEMPT Thu Mar 18 15:44:10 CST 2010 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32 root=UUID=39706f53-7c27-4310-b22a-36c7b042d1a1 ro
Build Date: 05 April 2010  02:21:15PM
xorg-server 2:1.7.6-2 (Timo Aaltonen <tjaalton@ubuntu.com>) 
Current version of pixman: 0.16.4
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Wed Apr  7 22:10:05 2010
(==) Using config file: "/etc/X11/xorg.conf"
(==) ServerLayout "main-server"
(**) |-->Screen "main-screen" (0)
(**) |   |-->Monitor "hp-vga"
(**) |   |-->Device "Radeon 3200"
(**) Option "NoTrapSignals"
(==) Automatically adding devices
(==) Automatically enabling devices
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
	Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
	Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
	Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
	Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
	Entry deleted from font path.
(==) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/Type1,
	/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,
	built-ins
(==) ModulePath set to "/usr/lib/xorg/modules"
(II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
(II) Loader magic: 0x7c59c0
(II) Module ABI versions:
	X.Org ANSI C Emulation: 0.4
	X.Org Video Driver: 6.0
	X.Org XInput driver : 7.0
	X.Org Server Extension : 2.0
(++) using VT number 7

(--) PCI:*(0:1:5:0) 1002:9610:1043:82f1 ATI Technologies Inc Radeon HD 3200 Graphics rev 0, Mem @ 0xd0000000/268435456, 0xfeaf0000/65536, 0xfe900000/1048576, I/O @ 0x0000d000/256
(II) Open ACPI successful (/var/run/acpid.socket)
(II) LoadModule: "extmod"
(II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
(II) Module extmod: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension SELinux
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) Loading extension X-Resource
(II) LoadModule: "dbe"
(II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
(II) Module dbe: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DOUBLE-BUFFER
(II) LoadModule: "glx"
(II) Loading /usr/lib/xorg/modules/extensions/libglx.so
(II) Module glx: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org Server Extension, version 2.0
(==) AIGLX enabled
(II) Loading extension GLX
(II) LoadModule: "record"
(II) Loading /usr/lib/xorg/modules/extensions/librecord.so
(II) Module record: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.13.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension RECORD
(II) LoadModule: "dri"
(II) Loading /usr/lib/xorg/modules/extensions/libdri.so
(II) Module dri: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension XFree86-DRI
(II) LoadModule: "dri2"
(II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
(II) Module dri2: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.1.0
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DRI2
(II) LoadModule: "radeon"
(II) Loading /usr/lib/xorg/modules/drivers/radeon_drv.so
(II) Module radeon: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 6.13.0
	Module class: X.Org Video Driver
	ABI class: X.Org Video Driver, version 6.0
(II) RADEON: Driver for ATI Radeon chipsets:
	ATI Radeon Mobility X600 (M24) 3150 (PCIE), ATI FireMV 2400 (PCI),
	ATI Radeon Mobility X300 (M24) 3152 (PCIE),
	ATI FireGL M24 GL 3154 (PCIE), ATI Radeon X600 (RV380) 3E50 (PCIE),
	ATI FireGL V3200 (RV380) 3E54 (PCIE), ATI Radeon IGP320 (A3) 4136,
	ATI Radeon IGP330/340/350 (A4) 4137, ATI Radeon 9500 AD (AGP),
	ATI Radeon 9500 AE (AGP), ATI Radeon 9600TX AF (AGP),
	ATI FireGL Z1 AG (AGP), ATI Radeon 9800SE AH (AGP),
	ATI Radeon 9800 AI (AGP), ATI Radeon 9800 AJ (AGP),
	ATI FireGL X2 AK (AGP), ATI Radeon 9600 AP (AGP),
	ATI Radeon 9600SE AQ (AGP), ATI Radeon 9600XT AR (AGP),
	ATI Radeon 9600 AS (AGP), ATI FireGL T2 AT (AGP), ATI Radeon 9650,
	ATI FireGL RV360 AV (AGP), ATI Radeon 7000 IGP (A4+) 4237,
	ATI Radeon 8500 AIW BB (AGP), ATI Radeon 8500 AIW BC (AGP),
	ATI Radeon IGP320M (U1) 4336, ATI Radeon IGP330M/340M/350M (U2) 4337,
	ATI Radeon Mobility 7000 IGP 4437, ATI Radeon 9000/PRO If (AGP/PCI),
	ATI Radeon 9000 Ig (AGP/PCI), ATI Radeon X800 (R420) JH (AGP),
	ATI Radeon X800PRO (R420) JI (AGP),
	ATI Radeon X800SE (R420) JJ (AGP), ATI Radeon X800 (R420) JK (AGP),
	ATI Radeon X800 (R420) JL (AGP), ATI FireGL X3 (R420) JM (AGP),
	ATI Radeon Mobility 9800 (M18) JN (AGP),
	ATI Radeon X800 SE (R420) (AGP), ATI Radeon X800XT (R420) JP (AGP),
	ATI Radeon X800 VE (R420) JT (AGP), ATI Radeon X850 (R480) (AGP),
	ATI Radeon X850 XT (R480) (AGP), ATI Radeon X850 SE (R480) (AGP),
	ATI Radeon X850 PRO (R480) (AGP), ATI Radeon X850 XT PE (R480) (AGP),
	ATI Radeon Mobility M7 LW (AGP),
	ATI Mobility FireGL 7800 M7 LX (AGP),
	ATI Radeon Mobility M6 LY (AGP), ATI Radeon Mobility M6 LZ (AGP),
	ATI FireGL Mobility 9000 (M9) Ld (AGP),
	ATI Radeon Mobility 9000 (M9) Lf (AGP),
	ATI Radeon Mobility 9000 (M9) Lg (AGP), ATI Radeon 9700 Pro ND (AGP),
	ATI Radeon 9700/9500Pro NE (AGP), ATI Radeon 9600TX NF (AGP),
	ATI FireGL X1 NG (AGP), ATI Radeon 9800PRO NH (AGP),
	ATI Radeon 9800 NI (AGP), ATI FireGL X2 NK (AGP),
	ATI Radeon 9800XT NJ (AGP),
	ATI Radeon Mobility 9600/9700 (M10/M11) NP (AGP),
	ATI Radeon Mobility 9600 (M10) NQ (AGP),
	ATI Radeon Mobility 9600 (M11) NR (AGP),
	ATI Radeon Mobility 9600 (M10) NS (AGP),
	ATI FireGL Mobility T2 (M10) NT (AGP),
	ATI FireGL Mobility T2e (M11) NV (AGP), ATI Radeon QD (AGP),
	ATI Radeon QE (AGP), ATI Radeon QF (AGP), ATI Radeon QG (AGP),
	ATI FireGL 8700/8800 QH (AGP), ATI Radeon 8500 QL (AGP),
	ATI Radeon 9100 QM (AGP), ATI Radeon 7500 QW (AGP/PCI),
	ATI Radeon 7500 QX (AGP/PCI), ATI Radeon VE/7000 QY (AGP/PCI),
	ATI Radeon VE/7000 QZ (AGP/PCI), ATI ES1000 515E (PCI),
	ATI Radeon Mobility X300 (M22) 5460 (PCIE),
	ATI Radeon Mobility X600 SE (M24C) 5462 (PCIE),
	ATI FireGL M22 GL 5464 (PCIE), ATI Radeon X800 (R423) UH (PCIE),
	ATI Radeon X800PRO (R423) UI (PCIE),
	ATI Radeon X800LE (R423) UJ (PCIE),
	ATI Radeon X800SE (R423) UK (PCIE),
	ATI Radeon X800 XTP (R430) (PCIE), ATI Radeon X800 XL (R430) (PCIE),
	ATI Radeon X800 SE (R430) (PCIE), ATI Radeon X800 (R430) (PCIE),
	ATI FireGL V7100 (R423) (PCIE), ATI FireGL V5100 (R423) UQ (PCIE),
	ATI FireGL unknown (R423) UR (PCIE),
	ATI FireGL unknown (R423) UT (PCIE),
	ATI Mobility FireGL V5000 (M26) (PCIE),
	ATI Mobility FireGL V5000 (M26) (PCIE),
	ATI Mobility Radeon X700 XL (M26) (PCIE),
	ATI Mobility Radeon X700 (M26) (PCIE),
	ATI Mobility Radeon X700 (M26) (PCIE),
	ATI Radeon X550XTX 5657 (PCIE), ATI Radeon 9100 IGP (A5) 5834,
	ATI Radeon Mobility 9100 IGP (U3) 5835,
	ATI Radeon XPRESS 200 5954 (PCIE),
	ATI Radeon XPRESS 200M 5955 (PCIE), ATI Radeon 9250 5960 (AGP),
	ATI Radeon 9200 5961 (AGP), ATI Radeon 9200 5962 (AGP),
	ATI Radeon 9200SE 5964 (AGP), ATI FireMV 2200 (PCI),
	ATI ES1000 5969 (PCI), ATI Radeon XPRESS 200 5974 (PCIE),
	ATI Radeon XPRESS 200M 5975 (PCIE),
	ATI Radeon XPRESS 200 5A41 (PCIE),
	ATI Radeon XPRESS 200M 5A42 (PCIE),
	ATI Radeon XPRESS 200 5A61 (PCIE),
	ATI Radeon XPRESS 200M 5A62 (PCIE),
	ATI Radeon X300 (RV370) 5B60 (PCIE),
	ATI Radeon X600 (RV370) 5B62 (PCIE),
	ATI Radeon X550 (RV370) 5B63 (PCIE),
	ATI FireGL V3100 (RV370) 5B64 (PCIE),
	ATI FireMV 2200 PCIE (RV370) 5B65 (PCIE),
	ATI Radeon Mobility 9200 (M9+) 5C61 (AGP),
	ATI Radeon Mobility 9200 (M9+) 5C63 (AGP),
	ATI Mobility Radeon X800 XT (M28) (PCIE),
	ATI Mobility FireGL V5100 (M28) (PCIE),
	ATI Mobility Radeon X800 (M28) (PCIE), ATI Radeon X850 5D4C (PCIE),
	ATI Radeon X850 XT PE (R480) (PCIE),
	ATI Radeon X850 SE (R480) (PCIE), ATI Radeon X850 PRO (R480) (PCIE),
	ATI unknown Radeon / FireGL (R480) 5D50 (PCIE),
	ATI Radeon X850 XT (R480) (PCIE),
	ATI Radeon X800XT (R423) 5D57 (PCIE),
	ATI FireGL V5000 (RV410) (PCIE), ATI Radeon X700 XT (RV410) (PCIE),
	ATI Radeon X700 PRO (RV410) (PCIE),
	ATI Radeon X700 SE (RV410) (PCIE), ATI Radeon X700 (RV410) (PCIE),
	ATI Radeon X700 SE (RV410) (PCIE), ATI Radeon X1800,
	ATI Mobility Radeon X1800 XT, ATI Mobility Radeon X1800,
	ATI Mobility FireGL V7200, ATI FireGL V7200, ATI FireGL V5300,
	ATI Mobility FireGL V7100, ATI Radeon X1800, ATI Radeon X1800,
	ATI Radeon X1800, ATI Radeon X1800, ATI Radeon X1800,
	ATI FireGL V7300, ATI FireGL V7350, ATI Radeon X1600, ATI RV505,
	ATI Radeon X1300/X1550, ATI Radeon X1550, ATI M54-GL,
	ATI Mobility Radeon X1400, ATI Radeon X1300/X1550,
	ATI Radeon X1550 64-bit, ATI Mobility Radeon X1300,
	ATI Mobility Radeon X1300, ATI Mobility Radeon X1300,
	ATI Mobility Radeon X1300, ATI Radeon X1300, ATI Radeon X1300,
	ATI RV505, ATI RV505, ATI FireGL V3300, ATI FireGL V3350,
	ATI Radeon X1300, ATI Radeon X1550 64-bit, ATI Radeon X1300/X1550,
	ATI Radeon X1600, ATI Radeon X1300/X1550, ATI Mobility Radeon X1450,
	ATI Radeon X1300/X1550, ATI Mobility Radeon X2300,
	ATI Mobility Radeon X2300, ATI Mobility Radeon X1350,
	ATI Mobility Radeon X1350, ATI Mobility Radeon X1450,
	ATI Radeon X1300, ATI Radeon X1550, ATI Mobility Radeon X1350,
	ATI FireMV 2250, ATI Radeon X1550 64-bit, ATI Radeon X1600,
	ATI Radeon X1650, ATI Radeon X1600, ATI Radeon X1600,
	ATI Mobility FireGL V5200, ATI Mobility Radeon X1600,
	ATI Radeon X1650, ATI Radeon X1650, ATI Radeon X1600,
	ATI Radeon X1300 XT/X1600 Pro, ATI FireGL V3400,
	ATI Mobility FireGL V5250, ATI Mobility Radeon X1700,
	ATI Mobility Radeon X1700 XT, ATI FireGL V5200,
	ATI Mobility Radeon X1700, ATI Radeon X2300HD,
	ATI Mobility Radeon HD 2300, ATI Mobility Radeon HD 2300,
	ATI Radeon X1950, ATI Radeon X1900, ATI Radeon X1950,
	ATI Radeon X1900, ATI Radeon X1900, ATI Radeon X1900,
	ATI Radeon X1900, ATI Radeon X1900, ATI Radeon X1900,
	ATI Radeon X1900, ATI Radeon X1900, ATI Radeon X1900,
	ATI AMD Stream Processor, ATI Radeon X1900, ATI Radeon X1950,
	ATI RV560, ATI RV560, ATI Mobility Radeon X1900, ATI RV560,
	ATI Radeon X1950 GT, ATI RV570, ATI RV570, ATI FireGL V7400,
	ATI RV560, ATI Radeon X1650, ATI Radeon X1650, ATI RV560,
	ATI Radeon 9100 PRO IGP 7834, ATI Radeon Mobility 9200 IGP 7835,
	ATI Radeon X1200, ATI Radeon X1200, ATI Radeon X1200,
	ATI Radeon X1200, ATI Radeon X1200, ATI RS740, ATI RS740M, ATI RS740,
	ATI RS740M, ATI Radeon HD 2900 XT, ATI Radeon HD 2900 XT,
	ATI Radeon HD 2900 XT, ATI Radeon HD 2900 Pro, ATI Radeon HD 2900 GT,
	ATI FireGL V8650, ATI FireGL V8600, ATI FireGL V7600,
	ATI Radeon 4800 Series, ATI Radeon HD 4870 x2,
	ATI Radeon 4800 Series, ATI Radeon HD 4850 x2,
	ATI FirePro V8750 (FireGL), ATI FirePro V7760 (FireGL),
	ATI Mobility RADEON HD 4850, ATI Mobility RADEON HD 4850 X2,
	ATI Radeon 4800 Series, ATI FirePro RV770, AMD FireStream 9270,
	AMD FireStream 9250, ATI FirePro V8700 (FireGL),
	ATI Mobility RADEON HD 4870, ATI Mobility RADEON M98,
	ATI Radeon 4800 Series, ATI Radeon 4800 Series, ATI FirePro M7750,
	ATI M98, ATI M98, ATI M98, ATI Mobility Radeon HD 4650,
	ATI Radeon RV730 (AGP), ATI Mobility Radeon HD 4670,
	ATI FirePro M5750, ATI Radeon RV730 (AGP),
	ATI RV730XT [Radeon HD 4670], ATI RADEON E4600,
	ATI Radeon HD 4600 Series, ATI RV730 PRO [Radeon HD 4650],
	ATI FirePro V7750 (FireGL), ATI FirePro V5700 (FireGL),
	ATI FirePro V3750 (FireGL), ATI Mobility Radeon HD 4830,
	ATI Mobility Radeon HD 4850, ATI FirePro M7740, ATI RV740,
	ATI Radeon HD 4770, ATI Radeon HD 4700 Series, ATI Radeon HD 4770,
	ATI FirePro M5750, ATI RV610, ATI Radeon HD 2400 XT,
	ATI Radeon HD 2400 Pro, ATI Radeon HD 2400 PRO AGP, ATI FireGL V4000,
	ATI RV610, ATI Radeon HD 2350, ATI Mobility Radeon HD 2400 XT,
	ATI Mobility Radeon HD 2400, ATI RADEON E2400, ATI RV610,
	ATI FireMV 2260, ATI RV670, ATI Radeon HD3870,
	ATI Mobility Radeon HD 3850, ATI Radeon HD3850,
	ATI Mobility Radeon HD 3850 X2, ATI RV670,
	ATI Mobility Radeon HD 3870, ATI Mobility Radeon HD 3870 X2,
	ATI Radeon HD3870 X2, ATI FireGL V7700, ATI Radeon HD3850,
	ATI Radeon HD3690, AMD Firestream 9170, ATI Radeon HD 4550,
	ATI Radeon RV710, ATI Radeon RV710, ATI Radeon HD 4350,
	ATI Mobility Radeon 4300 Series, ATI Mobility Radeon 4500 Series,
	ATI Mobility Radeon 4500 Series, ATI FirePro RG220, ATI RV630,
	ATI Mobility Radeon HD 2600, ATI Mobility Radeon HD 2600 XT,
	ATI Radeon HD 2600 XT AGP, ATI Radeon HD 2600 Pro AGP,
	ATI Radeon HD 2600 XT, ATI Radeon HD 2600 Pro, ATI Gemini RV630,
	ATI Gemini Mobility Radeon HD 2600 XT, ATI FireGL V5600,
	ATI FireGL V3600, ATI Radeon HD 2600 LE,
	ATI Mobility FireGL Graphics Processor, ATI Radeon RV710,
	ATI Radeon HD 3470, ATI Mobility Radeon HD 3430,
	ATI Mobility Radeon HD 3400 Series, ATI Radeon HD 3450,
	ATI Radeon HD 3450, ATI Radeon HD 3430, ATI Radeon HD 3450,
	ATI FirePro V3700, ATI FireMV 2450, ATI FireMV 2260, ATI FireMV 2260,
	ATI Radeon HD 3600 Series, ATI Radeon HD 3650 AGP,
	ATI Radeon HD 3600 PRO, ATI Radeon HD 3600 XT,
	ATI Radeon HD 3600 PRO, ATI Mobility Radeon HD 3650,
	ATI Mobility Radeon HD 3670, ATI Mobility FireGL V5700,
	ATI Mobility FireGL V5725, ATI Radeon HD 3200 Graphics,
	ATI Radeon 3100 Graphics, ATI Radeon HD 3200 Graphics,
	ATI Radeon 3100 Graphics, ATI Radeon HD 3300 Graphics,
	ATI Radeon HD 3200 Graphics, ATI Radeon 3000 Graphics,
	ATI Radeon HD 4200, ATI Radeon 4100, ATI Mobility Radeon HD 4200,
	ATI Mobility Radeon 4100, ATI Radeon HD 4290, ATI Radeon HD 4290,
	CYPRESS, ATI FirePro (FireGL) Graphics Adapter,
	ATI FirePro (FireGL) Graphics Adapter,
	ATI FirePro (FireGL) Graphics Adapter, ATI Radeon HD 5800 Series,
	ATI Radeon HD 5800 Series, ATI Radeon HD 5800 Series,
	ATI Radeon HD 5900 Series, ATI Radeon HD 5900 Series,
	ATI Mobility Radeon HD 5800 Series,
	ATI Mobility Radeon HD 5800 Series,
	ATI FirePro (FireGL) Graphics Adapter,
	ATI FirePro (FireGL) Graphics Adapter,
	ATI Mobility Radeon HD 5800 Series, ATI Radeon HD 5700 Series,
	ATI Radeon HD 5700 Series, ATI Radeon HD 5700 Series,
	ATI Mobility Radeon HD 5000 Series,
	ATI Mobility Radeon HD 5000 Series,
	ATI FirePro (FireGL) Graphics Adapter,
	ATI FirePro (FireGL) Graphics Adapter, ATI Radeon HD 5670,
	ATI Radeon HD 5570, ATI Radeon HD 5500 Series, REDWOOD,
	ATI Mobility Radeon HD 5000 Series,
	ATI Mobility Radeon HD 5000 Series, CEDAR, CEDAR, CEDAR,
	ATI FirePro (FireGL) Graphics Adapter,
	ATI FirePro (FireGL) Graphics Adapter, CEDAR, ATI Radeon HD 5450,
	CEDAR
(II) Primary Device is: PCI 01@00:05:0
(II) [KMS] Kernel modesetting enabled.
(II) RADEON(0): Creating default Display subsection in Screen section
	"main-screen" for depth/fbbpp 24/32
(==) RADEON(0): Depth 24, (--) framebuffer bpp 32
(II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp pixmaps)
(==) RADEON(0): Default visual is TrueColor
(**) RADEON(0): Option "AccelMethod" "exa"
(**) RADEON(0): Option "DRI" "on"
(==) RADEON(0): RGB weight 888
(II) RADEON(0): Using 8 bits per RGB (8 bit DAC)
(--) RADEON(0): Chipset: "ATI Radeon HD 3200 Graphics" (ChipID = 0x9610)
(II) RADEON(0): PCI card detected
(WW) RADEON(0): Color tiling is not yet supported on R600/R700
(II) RADEON(0): KMS Color Tiling: disabled
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 9, (OK)
drmOpenByBusid: Searching for BusID pci:0000:01:05.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 9, (OK)
drmOpenByBusid: drmOpenMinor returns 9
drmOpenByBusid: drmGetBusid reports pci:0000:01:05.0
(II) RADEON(0): Output VGA-0 using monitor section hp-vga
(II) RADEON(0): Output HDMI-0 has no monitor section
(II) RADEON(0): EDID for output VGA-0
(II) RADEON(0): EDID for output HDMI-0
(II) RADEON(0): Output VGA-0 disconnected
(II) RADEON(0): Output HDMI-0 disconnected
(WW) RADEON(0): No outputs definitely connected, trying again...
(II) RADEON(0): Output VGA-0 disconnected
(II) RADEON(0): Output HDMI-0 disconnected
(WW) RADEON(0): Unable to find initial modes
(II) RADEON(0): mem size init: gart size :1fdff000 vram size: s:10000000 visible:ffc0000
(II) RADEON(0): EXA: Driver will allow EXA pixmaps in VRAM
(==) RADEON(0): DPI set to (96, 96)
(II) Loading sub module "fb"
(II) LoadModule: "fb"
(II) Loading /usr/lib/xorg/modules/libfb.so
(II) Module fb: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "ramdac"
(II) LoadModule: "ramdac"
(II) Module "ramdac" already built-in
(II) Loading sub module "exa"
(II) LoadModule: "exa"
(II) Loading /usr/lib/xorg/modules/libexa.so
(II) Module exa: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 2.5.0
	ABI class: X.Org Video Driver, version 6.0
(EE) RADEON(0): No modes.
(II) UnloadModule: "radeon"
(II) UnloadModule: "exa"
(II) Unloading /usr/lib/xorg/modules/libexa.so
(II) UnloadModule: "fb"
(II) Unloading /usr/lib/xorg/modules/libfb.so
(EE) Screen(s) found, but none have a usable configuration.

Fatal server error:
no screens found

Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
Please also check the log file at "/var/log/Xorg.0.log" for additional information.


udev information:
P: /devices/virtual/input/input0/event0
N: input/event0
S: char/13:64
E: UDEV_LOG=3
E: DEVPATH=/devices/virtual/input/input0/event0
E: MAJOR=13
E: MINOR=64
E: DEVNAME=/dev/input/event0
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_MOUSE=1
E: ID_SERIAL=noserial
E: x11_driver=evdev
E: DMI_VENDOR=System manufacturer
E: DEVLINKS=/dev/char/13:64

P: /devices/platform/i8042/serio0/input/input1/event1
N: input/event1
S: char/13:65
S: input/by-path/platform-i8042-serio-0-event-kbd
E: UDEV_LOG=3
E: DEVPATH=/devices/platform/i8042/serio0/input/input1/event1
E: MAJOR=13
E: MINOR=65
E: DEVNAME=/dev/input/event1
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: ID_INPUT_KEYBOARD=1
E: ID_SERIAL=noserial
E: ID_PATH=platform-i8042-serio-0
E: XKBMODEL=pc102
E: XKBLAYOUT=us
E: XKBVARIANT=altgr-intl
E: XKBOPTIONS=lv3:rwin_switch,compose:lwin,terminate:ctrl_alt_bksp
E: x11_driver=evdev
E: DMI_VENDOR=System manufacturer
E: DEVLINKS=/dev/char/13:65 /dev/input/by-path/platform-i8042-serio-0-event-kbd

P: /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input2/event2
N: input/event2
S: char/13:66
E: UDEV_LOG=3
E: DEVPATH=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input2/event2
E: MAJOR=13
E: MINOR=66
E: DEVNAME=/dev/input/event2
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: XKBMODEL=pc102
E: XKBLAYOUT=us
E: XKBVARIANT=altgr-intl
E: XKBOPTIONS=lv3:rwin_switch,compose:lwin,terminate:ctrl_alt_bksp
E: x11_driver=evdev
E: DMI_VENDOR=System manufacturer
E: DEVLINKS=/dev/char/13:66

P: /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3/event3
N: input/event3
S: char/13:67
E: UDEV_LOG=3
E: DEVPATH=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input3/event3
E: MAJOR=13
E: MINOR=67
E: DEVNAME=/dev/input/event3
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: XKBMODEL=pc102
E: XKBLAYOUT=us
E: XKBVARIANT=altgr-intl
E: XKBOPTIONS=lv3:rwin_switch,compose:lwin,terminate:ctrl_alt_bksp
E: x11_driver=evdev
E: DMI_VENDOR=System manufacturer
E: DEVLINKS=/dev/char/13:67

P: /devices/platform/pcspkr/input/input4/event4
N: input/event4
S: char/13:68
S: input/by-path/platform-pcspkr-event-spkr
E: UDEV_LOG=3
E: DEVPATH=/devices/platform/pcspkr/input/input4/event4
E: MAJOR=13
E: MINOR=68
E: DEVNAME=/dev/input/event4
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_SERIAL=noserial
E: ID_PATH=platform-pcspkr
E: DMI_VENDOR=System manufacturer
E: DEVLINKS=/dev/char/13:68 /dev/input/by-path/platform-pcspkr-event-spkr

P: /devices/platform/i8042/serio1/input/input5/event5
N: input/event5
S: char/13:69
S: input/by-path/platform-i8042-serio-1-event-mouse
E: UDEV_LOG=3
E: DEVPATH=/devices/platform/i8042/serio1/input/input5/event5
E: MAJOR=13
E: MINOR=69
E: DEVNAME=/dev/input/event5
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_MOUSE=1
E: ID_SERIAL=noserial
E: ID_PATH=platform-i8042-serio-1
E: x11_driver=evdev
E: DMI_VENDOR=System manufacturer
E: DEVLINKS=/dev/char/13:69 /dev/input/by-path/platform-i8042-serio-1-event-mouse

P: /devices/pci0000:00/0000:00:14.2/input/input6/event6
N: input/event6
S: char/13:70
E: UDEV_LOG=3
E: DEVPATH=/devices/pci0000:00/0000:00:14.2/input/input6/event6
E: MAJOR=13
E: MINOR=70
E: DEVNAME=/dev/input/event6
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_PATH=pci-0000:00:14.2
E: DMI_VENDOR=System manufacturer
E: DEVLINKS=/dev/char/13:70

P: /devices/virtual/input/input7/event7
N: input/event7
S: char/13:71
E: UDEV_LOG=3
E: DEVPATH=/devices/virtual/input/input7/event7
E: MAJOR=13
E: MINOR=71
E: DEVNAME=/dev/input/event7
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: ID_INPUT_KEYBOARD=1
E: ID_SERIAL=noserial
E: XKBMODEL=pc102
E: XKBLAYOUT=us
E: XKBVARIANT=altgr-intl
E: XKBOPTIONS=lv3:rwin_switch,compose:lwin,terminate:ctrl_alt_bksp
E: x11_driver=evdev
E: DMI_VENDOR=System manufacturer
E: DEVLINKS=/dev/char/13:71

DRM Information from dmesg:
[    0.000000] No AGP bridge found
[    0.421297] PCI-DMA: Disabling AGP.
[    0.421489] PCI-DMA: Reserving 64MB of IOMMU area in the AGP aperture
[    0.449357] Linux agpgart interface v0.103
[    4.727146] [drm] Initialized drm 1.1.0 20060810
[    4.884519] [drm] radeon kernel modesetting enabled.
[    4.891283] [drm] radeon: Initializing kernel modesetting.
[    4.896098] [drm] register mmio base: 0xFEAF0000
[    4.896134] [drm] register mmio size: 65536
[    4.902871] [drm] Clocks initialized !
[    4.903220] [drm] Detected VRAM RAM=256M, BAR=256M
[    4.903260] [drm] RAM width 32bits DDR
[    4.903447] [drm] radeon: 256M of VRAM memory ready
[    4.903483] [drm] radeon: 512M of GTT memory ready.
[    4.903562] [drm] radeon: irq initialized.
[    4.903598] [drm] GART: num cpu pages 131072, num gpu pages 131072
[    4.904676] [drm] Loading RS780 Microcode
[    5.103301] [drm] ring test succeeded in 1 usecs
[    5.103458] [drm] radeon: ib pool ready.
[    5.103561] [drm] ib test succeeded in 0 usecs
[    5.103607] [drm] Enabling audio support
[    5.103784] [drm] Radeon Display Connectors
[    5.103842] [drm] Connector 0:
[    5.105535] [drm]   VGA
[    5.105570] [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
[    5.105608] [drm]   Encoders:
[    5.105642] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[    5.105676] [drm] Connector 1:
[    5.105710] [drm]   HDMI-A
[    5.105743] [drm]   HPD3
[    5.105778] [drm]   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
[    5.105816] [drm]   Encoders:
[    5.105849] [drm]     DFP3: INTERNAL_KLDSCP_LVTMA
[    5.122273] [drm] Initialized radeon 2.0.0 20080528 for 0000:01:05.0 on minor 0


-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32 (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages xserver-xorg-core depends on:
ii  keyboard-configuration       1.54        system-wide keyboard preferences
ii  libaudit0                    1.7.13-1+b1 Dynamic library for security audit
ii  libc6                        2.10.2-6    Embedded GNU C Library: Shared lib
ii  libdrm2                      2.4.18-3    Userspace interface to kernel DRM 
ii  libgcrypt11                  1.4.5-2     LGPL Crypto library - runtime libr
ii  libpciaccess0                0.11.0-2    Generic PCI access library for X
ii  libpixman-1-0                0.16.4-1    pixel-manipulation library for X a
ii  libselinux1                  2.0.94-1    SELinux runtime shared libraries
ii  libudev0                     151-3       libudev shared library
ii  libxau6                      1:1.0.5-2   X11 authorisation library
ii  libxdmcp6                    1:1.0.3-2   X11 Display Manager Control Protoc
ii  libxfont1                    1:1.4.1-2   X11 font rasterisation library
ii  udev                         151-3       /dev/ and hotplug management daemo
ii  xserver-common               2:1.7.6-2   common files used by various X ser
ii  xserver-xorg                 1:7.5+5     the X.Org X server

Versions of packages xserver-xorg-core recommends:
ii  libgl1-mesa-dri               7.7.1-1    A free implementation of the OpenG

Versions of packages xserver-xorg-core suggests:
pn  xfonts-100dpi | xfonts-75dpi  <none>     (no description available)
ii  xfonts-scalable               1:1.0.1-1  scalable fonts for X

-- debconf-show failed

--- End Message ---

--- Begin Message ---

To: Arthur Marsh <arthur.marsh@internode.on.net>, 576813-done@bugs.debian.org

Subject: Re: Bug#576813: Acknowledgement (xserver-xorg-core: xserver locks up when gdb attaches to it)

From: Julien Cristau <jcristau@debian.org>

Date: Fri, 16 Apr 2010 20:20:47 +0200

Message-id: <20100416182047.GR15147@radis.liafa.jussieu.fr>

In-reply-to: <[🔎] 4BBC8CBE.5090409@internode.on.net>

References: <[🔎] 20100407124534.2465.43883.reportbug@am64.localdomain> <handler.576813.B.127064434125970.ack@bugs.debian.org> <[🔎] 4BBC8CBE.5090409@internode.on.net>
On Wed, Apr  7, 2010 at 23:16:38 +0930, Arthur Marsh wrote:

> The problem seems to be (as pointed out to me in #radeon on freenode):
> 
> "note that gdb always stops execution of the process it attaches
> to... that's not a 'lockup', just enter 'continue'"
> 
> The instructions at
> http://wiki.debian.org/XStrikeForce/XserverDebugging
> seem to omit this. The word "continue" should probably be added
> after "set logging on" and before "bt full" with some indication of
> performing the action known to cause the problem.
> 
Seems like this isn't a bug in the server then.  It would be really
appreciated if you added that clarification to the wiki page, so other
people don't fall into the same trap :)

Thanks,
Julien
Attachment: signature.asc
Description: Digital signature

--- End Message ---

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References:
- Bug#576813: xserver-xorg-core: xserver locks up when gdb attaches to it
  - From: Arthur Marsh <arthur.marsh@internode.on.net>

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