Hi Paul,
On Sun, Apr 06, 2025 at 04:00:41PM +0200, Paul Gevers wrote:
I assume it is still valid to do this. At least without information this bug might remain RC and I understand is hardly actionable. I guess you only need to inspect the two nodes that were used for one of the failing llvm-toolchain-18|19 runs e.g. ionos1-amd64 vs ionos15-amd64
holger@ionos15-amd64:~ $ /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 --help Usage: /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 [OPTION]... EXECUTABLE-FILE [ARGS-FOR-PROGRAM...]
You have invoked 'ld.so', the program interpreter for dynamically-linked
ELF programs. Usually, the program interpreter is invoked automatically
when a dynamically-linked executable is started.
[...]
This program interpreter self-identifies as: /lib64/ld-linux-x86-64.so.2
Shared library search path:
(libraries located via /etc/ld.so.cache)
/lib/x86_64-linux-gnu (system search path)
/usr/lib/x86_64-linux-gnu (system search path)
/lib (system search path)
/usr/lib (system search path)
Subdirectories of glibc-hwcaps directories, in priority order:
x86-64-v4
x86-64-v3 (supported, searched)
x86-64-v2 (supported, searched)
Legacy HWCAP subdirectories under library search path directories:
haswell (AT_PLATFORM; supported, searched)
tls (supported, searched)
avx512_1
x86_64 (supported, searched)
holger@ionos15-amd64:~ $
holger@ionos15-amd64:~ $ cat /proc/cpuinfo |head -28
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 60
model name : Intel Core Processor (Haswell)
stepping : 1
microcode : 0x1
cpu MHz : 2394.454
cache size : 4096 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
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 avx f16c rdrand hypervisor lahf_lm abm cpuid_fault pti ssbd ibrs ibpb stibp tpr_shadow flexpriority ept vpid ept_ad fsgsbase bmi1 hle avx2 smep bmi2 erms invpcid rtm xsaveopt arat vnmi md_clear
vmx flags : vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad ept_1gb flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid shadow_vmcs
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit srbds mmio_unknown bhi
bogomips : 4788.90
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
I don't have access to ionos1 running that CPU anymore, as IONOS
asked me to migrate machines away from precicely that CPU type,
so here is the same command on ionos11:
holger@ionos11-amd64:~ $ /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 --help Usage: /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 [OPTION]... EXECUTABLE-FILE [ARGS-FOR-PROGRAM...]
[...]
This program interpreter self-identifies as: /lib64/ld-linux-x86-64.so.2
Shared library search path:
(libraries located via /etc/ld.so.cache)
/lib/x86_64-linux-gnu (system search path)
/usr/lib/x86_64-linux-gnu (system search path)
/lib (system search path)
/usr/lib (system search path)
Subdirectories of glibc-hwcaps directories, in priority order:
x86-64-v4
x86-64-v3
x86-64-v2 (supported, searched)
Legacy HWCAP subdirectories under library search path directories:
x86_64 (AT_PLATFORM; supported, searched)
tls (supported, searched)
avx512_1
x86_64 (supported, searched)
holger@ionos11-amd64:~ $
holger@ionos11-amd64:~ $ cat /proc/cpuinfo |head -28
processor : 0
vendor_id : AuthenticAMD
cpu family : 21
model : 1
model name : AMD Opteron 62xx class CPU
stepping : 2
microcode : 0x1000065
cpu MHz : 2600.000
cache size : 512 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 x2apic popcnt aes xsave
avx hypervisor lahf_lm cmp_legacy svm abm sse4a misalignsse 3dnowprefetch osvw ssbd ibpb vmmcall virt_ssbd arat npt nrip_save
bugs : fxsave_leak sysret_ss_attrs null_seg spectre_v1 spectre_v2 spec_store_bypass retbleed ibpb_no_ret
bogomips : 5200.00
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
Please note that both CPUs are vitualised (running on that actual CPU hardware).
--
cheers,
Holger
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⣾⠁⢠⠒⠀⣿⡁ holger@(debian|reproducible-builds|layer-acht).org
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