On Sat, 25 Jul 2020, Quanah Gibson-Mount wrote:
> Ok thanks.  I did that as well on my centos 8.2 box and ran it through 100
> loops with BDB as the backend and no luck reproducing.  Are you able to
> reproduce it?

100% able to reproduce, 4 failures with 4 attempts. My virtual machine has
only one CPU:

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 45
model name      : Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz
stepping        : 2
microcode       : 0x718
cpu MHz         : 2000.000
cache size      : 20480 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 dts mmx fxsr sse sse2 ss syscall nx rdtscp lm 
constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc 
cpuid pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt 
tsc_deadline_timer aes xsave avx hypervisor lahf_lm pti ssbd ibrs ibpb 
stibp tsc_adjust arat flush_l1d arch_capabilities
bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass 
l1tf mds swapgs itlb_multihit
bogomips        : 4000.00
clflush size    : 64
cache_alignment : 64
address sizes   : 43 bits physical, 48 bits virtual
power management:

Memory:

[jokke@proto-rhel8]$ free -m
              total        used        free      shared  buff/cache   
available
Mem:           1800         251         764           8         783        
1383
Swap:          2047           0        2047


Best regards,
Jokke Hämäläinen

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