------- Comment From cborn...@de.ibm.com 2019-07-26 03:12 EDT-------
I can confirm that the KVM part (this bugzilla) works fine with
a. this kernel from proposed
b. qemu from
https://launchpad.net/~paelzer/+archive/ubuntu/bug-1836154-s390x-hwmodels/+packages
Now. The kernel in proposed has a bug which prohibits this kernel to be
released.
dmesg is flooded with
[ 417.945769] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 417.951747] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 417.955339] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 417.960318] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 417.961260] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 422.248440] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 430.012698] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 434.051283] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 526.865193] BUG: non-zero pgtables_bytes on freeing mm: -16384
[ 526.873399] BUG: non-zero pgtables_bytes on freeing mm: -16384
messages. Looks like you picked an upstream patch and missed several followup
patches in that area.
Thjis is around commit e12e4044aede97974f2222eb7f0ed726a5179a32 ("s390/mm: fix
mis-accounting of pgtable_bytes") and later patches on top of this.
(This is independent from the KVM changes which are working perfectly
fine).
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https://bugs.launchpad.net/bugs/1836153
Title:
[18.04 FEAT] zKVM: Add hardware CPU Model - kernel part
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