Re: nouveau 1.0.17 and GT-710 (GK208B): graphics stack freezes when turning off display

[Uwe Sauter <uwe.sauter.de@xxxxxxxxx>]

Re-adding the list to receipients as it got lost.


I'm unsure how to configure the modeset ddx. Do I need to rebuild my initrd so it does not include the nouveau driver? 
Do I need to blacklist nouveau?


Am 09.02.21 um 21:34 schrieb Ilia Mirkin:
> I don't see any indication of a nouveau failure here. You could try
> with the modeset ddx, perhaps the nouveau ddx gets hung up somehow.
>
> On Tue, Feb 9, 2021 at 3:32 PM Uwe Sauter <uwe.sauter.de@xxxxxxxxx> wrote:
> > When I stop the X server I fall back to the console and I can through vt1 to vt6.
> >
> > Starting X another time brings me back to a desktop where the seconds in the clock applet are counting. Pulling a frame
> > around desktop symbols is working and applications started from the panel show their window.
> >
> > What's strange is that the issue doesn't occur when using the proprietary drivers. Do you really think that the driver
> > would make a difference for Mate?
> >
> > Attached are the logs from the second run.
> >
> > Am 09.02.21 um 21:11 schrieb Ilia Mirkin:
> > > And presumably at the point where the display was turned back on, the
> > > image was stuck? There are no prints in dmesg here, which means you're
> > > not getting a traditional error... although curiously the stream of
> > > framebuffer creations stops too. Maybe not a kernel issue after all?
> > > Could it be MATE getting stuck somehow? Perhaps it waits for some
> > > event and doesn't get it?
> > >
> > > What happens if you restart X after it gets into this stuck state?
> > >
> > > On Tue, Feb 9, 2021 at 2:57 PM Uwe Sauter <uwe.sauter.de@xxxxxxxxx> wrote:
> > > > Hi Ilia,
> > > >
> > > > this is a first shot on getting the logs.
> > > >
> > > > Does the list allow attachments? Else I need to find a place where I can upload the files.
> > > >
> > > > The dmesg log was created with kernel command line arguments "log_buf_len=16M drm.debug=12".
> > > >
> > > > I have indicated within the file when the desktop environment was ready, when the display was turned off by the
> > > > screensaver and back on when moving the mouse. I then stopped the X server.
> > > >
> > > > Please let me know if this test should be repeated with more verbose settings or if other log files are required, too.
> > > >
> > > >
> > > > Regards,
> > > >
> > > >           Uwe
> > > >
> > > >
> > > > Am 08.02.21 um 23:32 schrieb Ilia Mirkin:
> > > > > The referenced issue is a context switching error / timeout. Is that
> > > > > what you're seeing?
> > > > >
> > > > > Is there anything in dmesg when the problem occurs? Can you reproduce
> > > > > it by forcing the monitor to sleep (xset s off or equivalent)?
> > > > >
> > > > > What you're describing sounds most like a display engine hang. Cursor
> > > > > position updates happen on another channel, so that makes sense it
> > > > > keeps working. Usually when there's an error, we'll print what the
> > > > > failing transition was. But sometimes that info isn't available, and
> > > > > it just says "timeout" a lot on the core channel. In that case, we'll
> > > > > have to enable more logging.
> > > > >
> > > > > On Mon, Feb 8, 2021 at 4:58 PM Uwe Sauter <uwe.sauter.de@xxxxxxxxx> wrote:
> > > > > > Hello,
> > > > > >
> > > > > > I don't know if this is the appropriate list to post; if not please point me in the right direction.
> > > > > >
> > > > > >
> > > > > > I have an issue with the nouveau driver for a GT 710 (GK208B) card, hardware details and software versions below.
> > > > > > Once the X server decides to switch into power saving mode and turns the display off using DPMS some part of the
> > > > > > graphics stack seems to freeze. I can wake up the display and it will show me the last picture but most of the
> > > > > > functionality is still frozen. I can move the mouse pointer but the clock applet won't show the current time and
> > > > > > selecting desktop icons does not work.
> > > > > > It seems that I can still start programs from the panel (I can see the process when remotely logging in) but they
> > > > > > produce no graphics output.
> > > > > >
> > > > > > This happens in either of the two clock settings I can set in /sys/kernel/debug/dri/0/pstate .
> > > > > >
> > > > > >
> > > > > > The proprietary driver does not show this behavior but seems to be much slower with glxgears, though this is not a
> > > > > > proper benchmark, I know. The results between nouveau and nvidia are about the same when nouveau is in the low pstate
> > > > > > but performance almost triples when the high pstate is configured.
> > > > > >
> > > > > > I bought this card just recently because it was said to be the last model that was properly usable without the
> > > > > > proprietary driver.
> > > > > >
> > > > > > As you can see below, I'm already running xf86-video-nouveau 1.0.17 but compiling from git shouldn't be a problem if
> > > > > > necessary.
> > > > > >
> > > > > > Currently the nvidia driver is in use but I should be able to quickly switch back to nouveau for any logs that might be
> > > > > > required.
> > > > > >
> > > > > > Please advise what logs (and log levels) are needed in order to get to the bottom of this.
> > > > > >
> > > > > >
> > > > > > This bug reports also describes what I see:
> > > > > >
> > > > > > https://gitlab.freedesktop.org/mesa/mesa/-/issues/1171#note_385608
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Regards,
> > > > > >
> > > > > >            Uwe
> > > > > >
> > > > > >
> > > > > >
> > > > > > ### hardware ###
> > > > > > CPU: AMD Ryzen 3 3100
> > > > > > Mainboard: Gigabyte B550M S2H, Bios F13a with AMD AGESA ComboV2 1.2.0.0
> > > > > > RAM: 2x 16GB Kingston DDR4 3200MHz ECC
> > > > > > GPU: ASUS GT710-4H-SL-2GD5, 2GB GDDR5, 4x HDMI, VideoBIOS: 80.28.b8.00.05
> > > > > > Display: ViewSonic VP2468
> > > > > > ################
> > > > > >
> > > > > > ### software ###
> > > > > > Arch Linux
> > > > > > Kernel: 5.10.13-arch1-2
> > > > > > linux-firmware: 20201218.646f159-1
> > > > > > mate-desktop: 1.24.1-1
> > > > > > Mesa: 20.3.4-1
> > > > > > xorg-server: 1.20.10-3
> > > > > > xf86-video-nouveau: 1.0.17-1
> > > > > >
> > > > > > alternatively:
> > > > > > nvidia-dkms: 460.39-1
> > > > > > #################
> > > > > >
> > > > > > ### lspci fpr GPU ###
> > > > > > # lspci -s 3:0.0 -v | head -n 2
> > > > > > #03:00.0 VGA compatible controller: NVIDIA Corporation GK208B [GeForce GT 710] (rev a1) (prog-if 00 [VGA controller])
> > > > > >            Subsystem: ASUSTeK Computer Inc. Device 8770
> > > > > >
> > > > > > # lspci -s 3:0.0 -vvn
> > > > > > 03:00.0 0300: 10de:128b (rev a1) (prog-if 00 [VGA controller])
> > > > > >            Subsystem: 1043:8770
> > > > > >            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 55
> > > > > >            IOMMU group: 12
> > > > > >            Region 0: Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
> > > > > >            Region 1: Memory at fff0000000 (64-bit, prefetchable) [size=128M]
> > > > > >            Region 3: Memory at fff8000000 (64-bit, prefetchable) [size=32M]
> > > > > >            Region 5: I/O ports at f000 [size=128]
> > > > > >            Expansion ROM at fc000000 [virtual] [disabled] [size=512K]
> > > > > >            Capabilities: [60] Power Management version 3
> > > > > >                    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: 00000000fee00000  Data: 0000
> > > > > >            Capabilities: [78] Express (v2) Legacy Endpoint, MSI 00
> > > > > >                    DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s unlimited, L1 <64us
> > > > > >                            ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
> > > > > >                    DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
> > > > > >                            RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+
> > > > > >                            MaxPayload 128 bytes, MaxReadReq 512 bytes
> > > > > >                    DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend-
> > > > > >                    LnkCap: Port #6, Speed 5GT/s, Width x8, ASPM L0s L1, Exit Latency L0s <512ns, L1 <4us
> > > > > >                            ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp+
> > > > > >                    LnkCtl: ASPM L1 Enabled; RCB 64 bytes, Disabled- CommClk+
> > > > > >                            ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
> > > > > >                    LnkSta: Speed 2.5GT/s (downgraded), Width x1 (downgraded)
> > > > > >                            TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
> > > > > >                    DevCap2: Completion Timeout: Range AB, TimeoutDis+ NROPrPrP- LTR-
> > > > > >                             10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- EETLPPrefix-
> > > > > >                             EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit-
> > > > > >                             FRS-
> > > > > >                             AtomicOpsCap: 32bit- 64bit- 128bitCAS-
> > > > > >                    DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR- OBFF Disabled,
> > > > > >                             AtomicOpsCtl: ReqEn-
> > > > > >                    LnkCap2: Supported Link Speeds: 2.5-5GT/s, Crosslink- Retimer- 2Retimers- DRS-
> > > > > >                    LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-
> > > > > >                             Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
> > > > > >                             Compliance De-emphasis: -6dB
> > > > > >                    LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete+ EqualizationPhase1+
> > > > > >                             EqualizationPhase2+ EqualizationPhase3+ LinkEqualizationRequest-
> > > > > >                             Retimer- 2Retimers- CrosslinkRes: unsupported
> > > > > >            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: nouveau, nvidia_drm, nvidia
> > > > > > ######################
> > > > > > _______________________________________________
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> > > > > > Nouveau@xxxxxxxxxxxxxxxxxxxxx
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