On Thu, 2020-03-05 at 19:14 -0300, Guilherme G. Piccoli wrote: > Hi Bhupesh, I re-tested again using 5.6-rc4 with "retain_initrd" and > "swiotlb=noforce" and got a quite interesting discrepancy. First run got > me 99 kexecs with no issue (the public IP of my AWS instance was > 3.215.x.y). After this, I powered the instance off and some minutes > later, restarted it (and the new IP was 34.239.x.y) - guess what? It > failed after 6th kexec iteration with an oops, which I was able to > collect [0] using pstore. > > So, I'm inclined to think when I restarted the instance (and it got a > different IP, on a different range), likely it got deployed in a > different host, which explain some differences we are observing across > tests. I collected DMI data on both but it didn't show me any difference > - it is though feasible to hide host details from guest (almost?) > completely, so this should be a question to AWS. Can you give me the instance ID and specific times, please?
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