Public bug reported:

I've seen this in Gutsy and now in Hardy (I was hoping it would be fixed). 
Whenever a window is maximized, at random times the title bar controls 
disappear - they can often be brought back by double-clicking the title bar to 
restore-down and then double click to re-maximize.
This is a huge annoyance to me - I've seen some old bugs which recommended 
adding   Option "XAANoOffscreenPixmaps" "true" to the Xorg.conf file, but that 
did not help for me, and that's the only proposed "fix" I could find searching 
around, so I decided to file the bug. I'll attach a screenshot as well.
Here is a hardware summary:

Computer
Processor       2x AMD Athlon(tm) 64 X2 Dual Core Processor 4600+
Memory  2063MB (357MB used)
Operating System        Ubuntu hardy (development branch)
User Name       jayson (Jayson Rowe)
Date/Time       Tue 18 Mar 2008 06:42:45 PM EDT
Display
Resolution      1280x1024 pixels
OpenGL Renderer GeForce 7900 GS/PCI/SSE2
X11 Vendor      The X.Org Foundation
Multimedia
Audio Adapter   CA0106 - CA0106
Input Devices
Macintosh mouse button emulation        
AT Translated Set 2 keyboard    
HID 1241:1166   
PC Speaker      
Power Button (FF)       
Power Button (CM)       
Sleep Button (CM)       
Printers
No printers found       
IDE Disks
ST3120814A      
WDC WD2500BB-22RDA0     
SCSI Disks
ATA WDC WD3200AAKS-0    
LITE-ON DVDRW LH-20A1S  
Generic STORAGE DEVICE  
Operating System
Version
Kernel  Linux 2.6.24-12-generic (x86_64)
Compiled        #1 SMP Wed Mar 12 22:31:43 UTC 2008
C Library       GNU C Library version 2.7 (stable)
Distribution    Ubuntu hardy (development branch)
Current Session
Computer Name   jayson-desktop
User Name       jayson (Jayson Rowe)
Home Directory  /home/jayson
Desktop Environment     GNOME 2.22 (session name: Default)
Misc
Uptime  1 hour, 5 minutes
Load Average    0.16, 0.17, 0.11
Kernel Modules
Loaded Modules
af_packet       
dock    ACPI Dock Station Driver
sbs     Smart Battery System ACPI interface driver
sbshc   ACPI SMBus HC driver
container       ACPI container driver
video   ACPI Video Driver
output  Display Output Switcher Lowlevel Control Abstraction
battery ACPI Battery Driver
iptable_filter  iptables filter table
ip_tables       IPv4 packet filter
x_tables        [ip,ip6,arp]_tables backend module
ac      ACPI AC Adapter Driver
parport_pc      PC-style parallel port driver
lp      
parport 
loop    
ipv6    IPv6 protocol stack for Linux
nvidia  
snd_ca0106      CA0106
snd_ac97_codec  Universal interface for Audio Codec '97
snd_pcm_oss     PCM OSS emulation for ALSA.
snd_mixer_oss   Mixer OSS emulation for ALSA.
snd_pcm Midlevel PCM code for ALSA.
snd_seq_dummy   ALSA sequencer MIDI-through client
snd_seq_oss     OSS-compatible sequencer module
snd_seq_midi    Advanced Linux Sound Architecture sequencer MIDI synth.
snd_rawmidi     Midlevel RawMidi code for ALSA.
snd_seq_midi_event      MIDI byte <-> sequencer event coder
snd_seq Advanced Linux Sound Architecture sequencer.
snd_timer       ALSA timer interface
snd_seq_device  ALSA sequencer device management
snd     Advanced Linux Sound Architecture driver for soundcards.
soundcore       Core sound module
ac97_bus        
snd_page_alloc  Memory allocator for ALSA system.
button  ACPI Button Driver
i2c_nforce2     nForce2/3/4/5xx SMBus driver
i2c_core        I2C-Bus main module
k8temp  AMD K8 core temperature monitor
evdev   Input driver event char devices
shpchp  Standard Hot Plug PCI Controller Driver
pci_hotplug     PCI Hot Plug PCI Core
pcspkr  PC Speaker beeper driver
ext3    Second Extended Filesystem with journaling extensions
jbd     
mbcache Meta block cache (for extended attributes)
sg      SCSI generic (sg) driver
sr_mod  SCSI cdrom (sr) driver
cdrom   
sd_mod  SCSI disk (sd) driver
ide_disk        ATA DISK Driver
sata_nv low-level driver for NVIDIA nForce SATA controller
usbhid  USB HID core driver
hid     
usb_storage     USB Mass Storage driver for Linux
pata_acpi       SCSI low-level driver for ATA in ACPI mode
pata_amd        low-level driver for AMD PATA IDE
libusual        
ata_generic     low-level driver for generic ATA
forcedeth       Reverse Engineered nForce ethernet driver
libata  Library module for ATA devices
scsi_mod        SCSI core
ehci_hcd        10 Dec 2004 USB 2.0 'Enhanced' Host Controller (EHCI) Driver
amd74xx AMD PCI IDE driver
ide_core        
ohci_hcd        2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver
usbcore 
thermal ACPI Thermal Zone Driver
processor       ACPI Processor Driver
fan     ACPI Fan Driver
fbcon   
tileblit        Tile Blitting Operation
font    Console Fonts
bitblit Bit Blitting Operation
softcursor      Generic software cursor
fuse    Filesystem in Userspace
Boots
Boots
Tue Mar 18 17:37 - 18:42 (01:04)        Kernel 2.6.24-12-generi
Tue Mar 18 16:37 - 17:36 (00:59)        Kernel 2.6.24-12-generi
Sun Mar 16 10:32 - 16:36 (2+06:04)      Kernel 2.6.22-14-generi
Sat Mar 15 22:01 - 10:31 (12:29)        Kernel 2.6.22-14-generi
Sat Mar 15 17:44 - 17:53 (00:08)        Kernel 2.6.22-14-generi
Sat Mar 15 17:40 - 17:43 (00:03)        Kernel 2.6.22-14-generi
Thu Mar 13 23:27 - 17:09 (1+17:41)      Kernel 2.6.22-14-generi
Thu Mar 13 23:18 - 23:26 (00:08)        Kernel 2.6.22-14-generi
Thu Mar 13 23:16 - 23:17 (00:01)        Kernel 2.6.22-14-generi
Fri Mar 14 02:51 - 23:14 (-3:-37)       Kernel 2.6.22-14-generi
Languages
Available Languages
en_AU.utf8      English locale for Australia
en_BW.utf8      English locale for Botswana
en_CA.utf8      English locale for Canada
en_DK.utf8      English locale for Denmark
en_GB.utf8      English locale for Britain
en_HK.utf8      English locale for Hong Kong
en_IE.utf8      English locale for Ireland
en_IN   English language locale for India
en_NZ.utf8      English locale for New Zealand
en_PH.utf8      English language locale for Philippines
en_SG.utf8      English language locale for Singapore
en_US.utf8      English locale for the USA
en_ZA.utf8      English locale for South Africa
Filesystems
Mounted File Systems
/dev/sda1       19.7 GiB total, 15.1 GiB free
proc    0.0 B total, 0.0 B free
/sys    0.0 B total, 0.0 B free
varrun  1007.5 MiB total, 1007.4 MiB free
varlock 1007.5 MiB total, 1007.5 MiB free
udev    1007.5 MiB total, 1007.4 MiB free
devshm  1007.5 MiB total, 1007.4 MiB free
devpts  0.0 B total, 0.0 B free
lrm     1007.5 MiB total, 965.4 MiB free
/dev/sda3       271.8 GiB total, 255.4 GiB free
/dev/hda1       110.0 GiB total, 45.0 GiB free
/dev/hdb2       227.4 GiB total, 141.8 GiB free
securityfs      0.0 B total, 0.0 B free
Shared Directories
SAMBA
NFS
Display
Display
Resolution      1280x1024 pixels
Vendor  The X.Org Foundation
Version 1.4.0.90
Monitors
Monitor 0       1280x1024 pixels
Extensions
BIG-REQUESTS    
Composite       
DAMAGE  
DOUBLE-BUFFER   
DPMS    
Extended-Visual-Information     
GLX     
MIT-SCREEN-SAVER        
MIT-SHM 
MIT-SUNDRY-NONSTANDARD  
NV-CONTROL      
NV-GLX  
RANDR   
RECORD  
RENDER  
SECURITY        
SHAPE   
SYNC    
TOG-CUP 
X-Resource      
XAccessControlExtension 
XC-APPGROUP     
XC-MISC 
XFIXES  
XFree86-Bigfont 
XFree86-DGA     
XFree86-Misc    
XFree86-VidModeExtension        
XINERAMA        
XInputExtension 
XKEYBOARD       
XTEST   
XVideo  
XVideo-MotionCompensation       
OpenGL
Vendor  NVIDIA Corporation
Renderer        GeForce 7900 GS/PCI/SSE2
Version 2.1.2 NVIDIA 169.12
Direct Rendering        Yes
Network Interfaces
Network Interfaces
lo      Sent 0.08MiB, received 0.08MiB (127.0.0.1)
eth0    Sent 1.15MiB, received 8.72MiB (192.168.0.198)
eth1    Sent 0.01MiB, received 6.24MiB (192.168.0.191)
Users
Human Users
jayson  Jayson Rowe
System Users
root    root
daemon  daemon
bin     bin
sys     sys
sync    sync
games   games
man     man
lp      lp
mail    mail
news    news
uucp    uucp
proxy   proxy
www-data        www-data
backup  backup
list    Mailing List Manager
irc     ircd
gnats   Gnats Bug-Reporting System (admin)
nobody  nobody
dhcp    
syslog  
klog    
messagebus      
hplip   HPLIP system user
avahi-autoipd   Avahi autoip daemon
avahi   Avahi mDNS daemon
haldaemon       Hardware abstraction layer
gdm     Gnome Display Manager
pulse   PulseAudio daemon
polkituser      PolicyKit
Devices
Processor
Processors
AMD Athlon(tm) 64 X2 Dual Core Processor 4600+  2412.36MHz
AMD Athlon(tm) 64 X2 Dual Core Processor 4600+  2412.36MHz
Memory
Memory
Total Memory    2063304 kB
Free Memory     1238644 kB
Buffers 33020 kB
Cached  467564 kB
Cached Swap     0 kB
Active  468664 kB
Inactive        272768 kB
Virtual Memory  4048328 kB
Free Virtual Memory     4048328 kB
Dirty   0 kB
Writeback       0 kB
AnonPages       240848 kB
Mapped  60744 kB
Slab    39032 kB
SReclaimable    23764 kB
SUnreclaim      15268 kB
PageTables      11604 kB
NFS_Unstable    0 kB
Bounce  0 kB
CommitLimit     5079980 kB
Committed_AS    569064 kB
VmallocTotal    34359738367 kB
VmallocUsed     44428 kB
VmallocChunk    34359684091 kB
PCI Devices
PCI Devices
RAM memory      nVidia Corporation MCP55 Memory Controller
ISA bridge      nVidia Corporation MCP55 LPC Bridge
SMBus   nVidia Corporation MCP55 SMBus
USB Controller  nVidia Corporation MCP55 USB Controller
USB Controller  nVidia Corporation MCP55 USB Controller
IDE interface   nVidia Corporation MCP55 IDE
IDE interface   nVidia Corporation MCP55 SATA Controller
IDE interface   nVidia Corporation MCP55 SATA Controller
PCI bridge      nVidia Corporation MCP55 PCI bridge
Bridge  nVidia Corporation MCP55 Ethernet
Bridge  nVidia Corporation MCP55 Ethernet
PCI bridge      nVidia Corporation MCP55 PCI Express bridge
PCI bridge      nVidia Corporation MCP55 PCI Express bridge
PCI bridge      nVidia Corporation MCP55 PCI Express bridge
PCI bridge      nVidia Corporation MCP55 PCI Express bridge
PCI bridge      nVidia Corporation MCP55 PCI Express bridge
PCI bridge      nVidia Corporation MCP55 PCI Express bridge
Host bridge     Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
HyperTransport Technology Configuration
Host bridge     Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
Host bridge     Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM 
Controller
Host bridge     Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
Miscellaneous Control
Multimedia audio controller     Creative Labs SB Audigy LS
VGA compatible controller       nVidia Corporation G71 [GeForce 7900 GS]
USB Devices
Printers
Printers
No printers found       
Battery
No batteries
No batteries found on this system       
Sensors
Cooling Fans
Temperatures
temp1   35.00°C
Voltage Values
ACPI Thermal Zone
THRM    40°C
Input Devices
Input Devices
Macintosh mouse button emulation        
AT Translated Set 2 keyboard    
HID 1241:1166   
PC Speaker      
Power Button (FF)       
Power Button (CM)       
Sleep Button (CM)       
Storage
IDE Disks
ST3120814A      
WDC WD2500BB-22RDA0     
SCSI Disks
ATA WDC WD3200AAKS-0    
LITE-ON DVDRW LH-20A1S  
Generic STORAGE DEVICE

** Affects: ubuntu
     Importance: Undecided
         Status: New

-- 
Window titlebars corrupt when compiz (desktop effects) are enabled
https://bugs.launchpad.net/bugs/203746
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