Source: golang-github-klauspost-reedsolomon Version: 1.14.0-1 Severity: normal Tags: ftbfs X-Debbugs-Cc: [email protected] User: [email protected] Usertags: cpu
Hi, golang-github-klauspost-reedsolomon currently fails to build on https://reproduce.debian.net/: https://reproduce.debian.net/all/forky.html#golang-github-klauspost-reedsolomon-dev >From my investigation this seems to due to calling: vgf2p8affineqb $0x0,%zmm0,%zmm8,%zmm6 But the host system CPU does not support this function: $ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 16 On-line CPU(s) list: 0-15 Vendor ID: GenuineIntel Model name: Intel Xeon Processor (Skylake, IBRS) CPU family: 6 Model: 85 Thread(s) per core: 2 Core(s) per socket: 8 Socket(s): 1 Stepping: 4 BogoMIPS: 4199.99 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 pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology cpuid tsc_known_freq pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave a vx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch cpuid_fault pti ssbd ibrs ibpb stibp tpr_shadow flexpriority ept vpid ept_ad fsgsbase bmi1 hle avx2 smep bmi2 erms invpcid rtm avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 arat vnmi m d_clear arch_capabilities Virtualization features: Virtualization: VT-x Hypervisor vendor: Microsoft Virtualization type: full Caches (sum of all): L1d: 256 KiB (8 instances) L1i: 256 KiB (8 instances) L2: 32 MiB (8 instances) NUMA: NUMA node(s): 1 NUMA node0 CPU(s): 0-15 Vulnerabilities: Gather data sampling: Unknown: Dependent on hypervisor status Indirect target selection: Mitigation; Aligned branch/return thunks Itlb multihit: Not affected L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT vulnerable Mds: Mitigation; Clear CPU buffers; SMT Host state unknown Meltdown: Mitigation; PTI Mmio stale data: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Reg file data sampling: Not affected Retbleed: Mitigation; IBRS Spec rstack overflow: Not affected Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Spectre v2: Mitigation; IBRS; IBPB conditional; STIBP conditional; RSB filling; PBRSB-eIBRS Not affected; BHI SW loop, KVM SW loop Srbds: Not affected Tsa: Not affected Tsx async abort: Mitigation; Clear CPU buffers; SMT Host state unknown Vmscape: Not affected Can you please fix the CPU feature detection? Thanks! Jochen -- System Information: Debian Release: forky/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 7.0.10+deb14-amd64 (SMP w/8 CPU threads; PREEMPT) Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled

