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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/118/peripherals/795866 | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/118/peripherals/795866')
| -rw-r--r-- | results/classifier/118/peripherals/795866 | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/results/classifier/118/peripherals/795866 b/results/classifier/118/peripherals/795866 deleted file mode 100644 index 6c85e005..00000000 --- a/results/classifier/118/peripherals/795866 +++ /dev/null @@ -1,184 +0,0 @@ -peripherals: 0.891 -hypervisor: 0.862 -mistranslation: 0.858 -user-level: 0.851 -register: 0.821 -risc-v: 0.813 -assembly: 0.802 -performance: 0.799 -TCG: 0.799 -debug: 0.788 -semantic: 0.779 -permissions: 0.776 -vnc: 0.774 -arm: 0.761 -virtual: 0.757 -graphic: 0.757 -ppc: 0.754 -x86: 0.743 -PID: 0.735 -device: 0.729 -i386: 0.725 -VMM: 0.721 -KVM: 0.721 -architecture: 0.714 -kernel: 0.703 -files: 0.701 -boot: 0.681 -socket: 0.680 -network: 0.665 - -pci passthrough doesn´t work - -Hi all, - -I have some problems passing through a pci device to kvm guest. -First I have to say that I´m using the latest kvm-kernel und qemu-kvm from git-tree (Date 11.06.2011). - -I want´t to passthrough this device to guest: - -lspci-output: - -02:00.0 Multimedia video controller: Micronas Semiconductor Holding AG Device 0720 (rev 01) - -So at first I have bind the driver to psi-stub: - -modprobe -r kvm-intel -modprobe -r kvm -echo "18c3 0720" > /sys/bus/pci/drivers/pci-stub/new_id -echo 0000:02:00.0 > /sys/bus/pci/devices/0000:02:00.0/driver/unbind -echo 0000:02:00.0 > /sys/bus/pci/drivers/pci-stub/bind -modprobe kvm -modprobe kvm-intel - -Then I have assigned device to guest: --device pci-assign,host=02:00.0 - -When I start the guest. The device succesfully get´s an msi-IRQ on host-system: - -cat /proc/interrupt output: - - 32: 0 0 0 0 PCI-MSI-edge kvm_assigned_msi_device - - -On guest device is visibel: - -lspci output: -00:04.0 Multimedia video controller: Micronas Semiconductor Holding AG Device 0720 (rev 01) - - -Sometimes the device (on guest) get´s an IRQ between 10-16: - -00:05.0 Multimedia video controller: Micronas Semiconductor Holding AG Device 0720 (rev 01) - Subsystem: Micronas Semiconductor Holding AG Device dd00 - 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+ - Interrupt: pin A routed to IRQ 11 - Region 0: Memory at f2050000 (32-bit, non-prefetchable) [size=64K] - Region 1: Memory at f2060000 (32-bit, non-prefetchable) [size=64K] - Capabilities: [58] Express (v1) Endpoint, MSI 00 - DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us - ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset- - DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- - RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ - MaxPayload 128 bytes, MaxReadReq 128 bytes - DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend- - LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s, Latency L0 unlimited, L1 unlimited - ClockPM- Suprise- LLActRep- BwNot- - LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+ - ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt- - Capabilities: [40] Power Management version 2 - Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) - Status: D0 PME-Enable- DSel=0 DScale=0 PME- - Capabilities: [48] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- - Address: 00000000 Data: 0000 - Kernel modules: ngene - - -In this case the kernel-modul (ngene) can not access the device: - -dmesg | grep ngene - -[ 69.977900] ngene 0000:00:05.0: PCI INT A -> Link[LNKA] -> GSI 11 (level, high) -> IRQ 11 -[ 69.977909] ngene: Found Linux4Media cineS2 DVB-S2 Twin Tuner (v5) -[ 69.978962] ngene 0000:00:05.0: setting latency timer to 64 -[ 69.979118] ngene: Device version 1 -[ 69.979129] ngene 0000:00:05.0: firmware: requesting ngene_18.fw -[ 69.980884] ngene: Loading firmware file ngene_18.fw. -[ 71.981052] ngene: Command timeout cmd=01 prev=00 -[ 71.981205] host_to_ngene (c000): 01 00 00 00 00 00 00 00 -[ 71.981457] ngene_to_host (c100): 00 00 00 00 00 00 00 00 -[ 71.981704] dev->hosttongene (ec902000): 01 00 00 00 00 00 00 00 -[ 71.981963] dev->ngenetohost (ec902100): 00 00 00 00 00 00 00 00 -[ 73.985111] ngene: Command timeout cmd=02 prev=00 -[ 73.985415] host_to_ngene (c000): 02 04 00 d0 00 04 00 00 -[ 73.985684] ngene_to_host (c100): 00 00 00 00 00 00 00 00 -[ 73.985931] dev->hosttongene (ec902000): 02 04 00 d0 00 04 00 00 -[ 73.986191] dev->ngenetohost (ec902100): 00 00 00 00 00 00 00 00 -[ 73.986568] ngene 0000:00:05.0: PCI INT A disabled -[ 73.986584] ngene: probe of 0000:00:05.0 failed with error -1 - - -Sometimes the device (on guest) gets an msi-irq f. e. IRQ 29. -Then kernel-modul (ngene) can succesfully load the driver and all works fine. - - -Short to say: - -HOST GUEST STATUS -MSI-IRQ MSI-IRQ ALL FINE -MSI-IRQ IOAPIC-IRQ DOESN´t WORK - -with modinfo I had a look at the kernel-modul if there is way to force msi, but without success. - -But I think IRQ between (10-16) should also work because when I load the kernel-modul on host with IRQ (10-16) -it works. (Device only get´s an MSI-IRQ If I start the vm to passthrough) - -Do anyone know where can be the problem? - -Here is the dmesg - output of second device which is currently working on guest with MSI-IRQ 29: - -[ 2.137175] ngene 0000:00:04.0: PCI INT A -> Link[LNKD] -> GSI 11 (level, high) -> IRQ 11 -[ 2.137183] ngene: Found Linux4Media cineS2 DVB-S2 Twin Tuner (v5) -[ 2.140506] ngene 0000:00:04.0: setting latency timer to 64 -[ 2.140679] ngene: Device version 1 -[ 2.140693] ngene 0000:00:04.0: firmware: requesting ngene_18.fw -[ 2.214848] ngene: Loading firmware file ngene_18.fw. -[ 2.249797] ngene 0000:00:04.0: irq 29 for MSI/MSI-X - - - - -lspci - output on guest: - -00:04.0 Multimedia video controller: Micronas Semiconductor Holding AG Device 0720 (rev 01) - Subsystem: Micronas Semiconductor Holding AG Device dd00 - 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, Cache Line Size: 64 bytes - Interrupt: pin A routed to IRQ 29 - Region 0: Memory at f2030000 (32-bit, non-prefetchable) [size=64K] - Region 1: Memory at f2040000 (32-bit, non-prefetchable) [size=64K] - Capabilities: <access denied> - Kernel driver in use: ngene - Kernel modules: ngene - -00:05.0 Multimedia video controller: Micronas Semiconductor Holding AG Device 0720 (rev 01) - Subsystem: Micronas Semiconductor Holding AG Device dd00 - 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+ - Interrupt: pin A routed to IRQ 11 - Region 0: Memory at f2050000 (32-bit, non-prefetchable) [size=64K] - Region 1: Memory at f2060000 (32-bit, non-prefetchable) [size=64K] - Capabilities: <access denied> - Kernel modules: ngene - - -IRQ 11 not working. -IRQ 29 working - -Triaging old bug tickets ... can you still reproduce this problem with the latest version of QEMU? Or can we close this ticket nowadays? - -[Expired for QEMU because there has been no activity for 60 days.] - |
