System Information
Operating system: Default KVM (Proxmox, Linux)
Graphics card: None
Blender Version
Broken: Blender 3.0
Worked: Before Blender 3.0 the frame was just not denoised
Short description of error
If you enable OIDN/Optix denoising without having the needed CPU flags you will get a black frame back.
The desired outcome would be an aborted render with a helpful error.
Exact steps for others to reproduce the error
- Set up a default KVM
- Enable denoising
- Render over the CLI one Frame
- It will be black
Further information
The config of a default KVM:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 40 bits physical, 48 bits virtual
CPU(s): 6
On-line CPU(s) list: 0-5
Thread(s) per core: 1
Core(s) per socket: 6
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 15
Model: 6
Model name: Common KVM processor
Stepping: 1
CPU MHz: 3399.998
BogoMIPS: 6799.99
Hypervisor vendor: KVM
Virtualization type: full
L1d cache: 384 KiB
L1i cache: 384 KiB
L2 cache: 3 MiB
L3 cache: 16 MiB
NUMA node0 CPU(s): 0-5
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Spec store bypass: Not affected
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; Full AMD retpoline, STIBP disabled, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx lm rep_good nopl cpuid extd_apicid tsc_known_freq pni cx16 x2apic hypervisor cmp_legacy 3dnowprefetch vmmcal
lThe command that I used to render one frame:
./blender -b --debug --debug-cycles --python-expr 'import _cycles;print(_cycles.with_openimagedenoise);print(_cycles.with_embree);print(_cycles.with_osl)' "your path to the .blend" -f 1
If I set up the KVM to use HOST at least OIDN works
HOST config:
Virtualization: AMD-V
Hypervisor vendor: KVM
Virtualization type: full
L1d cache: 384 KiB
L1i cache: 384 KiB
L2 cache: 3 MiB
L3 cache: 16 MiB
NUMA node0 CPU(s): 0-5
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; Full AMD retpoline, IBPB conditional, STIBP disabled, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx1
6 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw perfctr_core ssbd ibpb vmmcall fsgsbase tsc_adjust bm
i1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr virt_ssbd arat npt nrip_save arch_capabilitiesWhy it would be nice to have the bug fixed:
We have a renderfarm that consist out of random machines and it is always a problem if random frames are black/not denoised/strange colored/broken/out of order.
