Public bug reported:
The unity launcher is reliably corrupted upon resume from suspend with
some (all?) NVidia hardware with the proprietary NVidia driver. All
other visual elements seem to draw correctly, it's just the unity
launcher that has this problem. The launcher looks fine after it redraws
(for example, if you mouse over it).
The problem is not reproducible on Intel or AMD graphics hardware, and
I'm told (by Ted Gould) that it doesn't affect the nouveau driver. I
have not tested the nouveau driver myself.
This problem been reported several times in the comments of bug 676166,
I'm filing this separate bug for clarity since 676166 is overloaded.
To reproduce:
1) Suspend
2) Resume
2a) login, if necessary. Note that the login screen (lightdm) displays properly
3) Notice the corrupted launcher
4) Mouse over the launcher; the launcher redraws and the corruption goes away
The problem affects 11.10, and is not fixed by upgrading to more recent
unity, compiz, or nvidia drivers from oneiric-updates or even the most
recent SRU candidates not yet in oneiric-proposed. Currently I have the
following installed and the problem still exists:
ii nvidia-common 1:0.2.35.1
Find obsolete NVIDIA drivers
ii nvidia-current 280.13-0ubuntu6
NVIDIA binary Xorg driver, kernel module and VDPAU library
ii nvidia-current-updates 285.05.09-0ubuntu0.1
NVIDIA binary Xorg driver, kernel module and VDPAU library
ii nvidia-settings 280.13-0ubuntu2.1
Tool of configuring the NVIDIA graphics driver
ii nvidia-settings-updates 285.05.09-0ubuntu0.1
Tool of configuring the NVIDIA graphics driver
Unity SRU candidate (not yet in -proposed):
ii unity 4.28.0-0ubuntu1~ppa1
Interface designed for efficiency of space and interaction.
Compiz SRU candidate (not yet in -proposed):
ii compiz
1:0.9.6+bzr20110929-0ubuntu6.1~oneiric1 OpenGL window and compositing manager
ii compiz-core
1:0.9.6+bzr20110929-0ubuntu6.1~oneiric1 OpenGL window and compositing manager
Hardware is a MacbookPro 3,1 w/ NVidia 8600M GT. I'm using the amd64 build of
11.10.
lspci -vvnn output for graphics card:
01:00.0 VGA compatible controller [0300]: nVidia Corporation G84 [GeForce 8600M
GT] [10de:0407] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Apple Computer Inc. Device [106b:00a0]
Physical Slot: 1
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Region 0: Memory at d2000000 (32-bit, non-prefetchable) [size=16M]
Region 1: Memory at c0000000 (64-bit, prefetchable) [size=256M]
Region 3: Memory at d0000000 (64-bit, non-prefetchable) [size=32M]
Region 5: I/O ports at 5000 [size=128]
[virtual] Expansion ROM at d3000000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Capabilities: [78] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns,
L1 <4us
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Latency
L0 <512ns, L1 <4us
ClockPM- Surprise- LLActRep- BwNot-
LnkCtl: ASPM L0s L1 Enabled; RCB 128 bytes Disabled- Retrain-
CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
Capabilities: [100 v1] Virtual Channel
Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
Arb: Fixed- WRR32- WRR64- WRR128-
Ctrl: ArbSelect=Fixed
Status: InProgress-
VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01
Status: NegoPending- InProgress-
Capabilities: [128 v1] Power Budgeting <?>
Capabilities: [600 v1] Vendor Specific Information: ID=0001 Rev=1
Len=024 <?>
Kernel driver in use: nvidia
Kernel modules: nvidia_current, nvidia_current_updates, nouveau,
nvidiafb
** Affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
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which is subscribed to nvidia-graphics-drivers in Ubuntu.
https://bugs.launchpad.net/bugs/915265
Title:
Unity launcher corruption on resume from suspend
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