Re: KVM selftests are failing

From: Ahmed Soliman
Date: Wed Nov 14 2018 - 16:30:25 EST


Hello again,
On Wed, Nov 14, 2018 at 9:23 PM Ahmed Soliman <ahmedsoliman@xxxxxxxxxxx> wrote:
> I don't do a make clean normally, but I will do it this time when
> bisecting, also I only use shallow
> clones so it will also take some time pulling. Also to note, The arch
> I am using is Haswell, I am not
> sure if that should make any difference though.

I started bisecting from commit 783e9e51266ebb7f78c606a53cb0fa41bb7c31a0
which introduces kvm selftests. I started from complete clean kernel build and
run, but unfortunately, I got the Assert there too.

Just in case it might help identifying the issue, this is the output
of my lscpu:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 2
Core(s) per socket: 2
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 69
Model name: Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz
Stepping: 1
CPU MHz: 897.938
CPU max MHz: 3000.0000
CPU min MHz: 800.0000
BogoMIPS: 4788.69
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 4096K
NUMA node0 CPU(s): 0-3
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon
pebs bts rep_good nopl xtopology nonstop_tsc cpuid
aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2
ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 movbe
popcnt aes xsave avx f16c rdrand lahf_lm abm cpuid_fault
epb invpcid_single pti tpr_shadow vnmi flexpriority ept
vpid fsgsbase tsc_adjust bmi1 avx2 s mep bmi2 erms invpcid
xsaveopt dtherm ida arat pln pts


> > What would be the difference in CONFIG_* fragments that you both have enabled?
>
> Here is my config file:
> https://pastebin.com/fCNV2z8c

Kind regard,