Re: [bug] KVM: Unrecoverable TM Unavailable Exception f60

2017-07-14 Thread Jan Stancek
- Original Message - > On Thu, 2017-07-13 at 08:07 -0400, Jan Stancek wrote: > > (You may want to CC the patch author... Added Paul). I did CC him using email address from patch. Maybe some list de-duplication dropped it? > > > - Original Message - > > > Hi, > > > > > > I'm

Re: [bug] KVM: Unrecoverable TM Unavailable Exception f60

2017-07-13 Thread Benjamin Herrenschmidt
On Thu, 2017-07-13 at 11:46 -0300, Gustavo Romero wrote: > Hi Jan > Looks like that TM unavailable exception will only able to recover > properly if it comes from problem state and since the trigger comes > from kernel space (kvm module) it does not match > "if (user_mode(regs))" in

Re: [bug] KVM: Unrecoverable TM Unavailable Exception f60

2017-07-13 Thread Benjamin Herrenschmidt
On Thu, 2017-07-13 at 08:07 -0400, Jan Stancek wrote: (You may want to CC the patch author... Added Paul). > - Original Message - > > Hi, > > > > I'm running into Oops below on IBM PowerNV system (model 8247-22L) > > with 4.12 trees and qemu-kvm-2.9. It triggers quickly after I start >

Re: [bug] KVM: Unrecoverable TM Unavailable Exception f60

2017-07-13 Thread Gustavo Romero
Hi Jan On 13-07-2017 09:07, Jan Stancek wrote: >> [ 181.328511] Unrecoverable TM Unavailable Exception f60 at d0001e7d9980 >> [ 181.328605] Oops: Unrecoverable TM Unavailable Exception, sig: 6 [#1] >> [ 181.328613] SMP NR_CPUS=2048 >> [ 181.328613] NUMA >> [ 181.328618] PowerNV >> [

Re: [bug] KVM: Unrecoverable TM Unavailable Exception f60

2017-07-13 Thread Jan Stancek
- Original Message - > Hi, > > I'm running into Oops below on IBM PowerNV system (model 8247-22L) > with 4.12 trees and qemu-kvm-2.9. It triggers quickly after I start > KVM guest installation: > > virt-install --name ppc64le_kvm_1cpu --mac 52:56:00:00:00:06 --location > nfs://XXX

[bug] KVM: Unrecoverable TM Unavailable Exception f60

2017-07-13 Thread Jan Stancek
Hi, I'm running into Oops below on IBM PowerNV system (model 8247-22L) with 4.12 trees and qemu-kvm-2.9. It triggers quickly after I start KVM guest installation: virt-install --name ppc64le_kvm_1cpu --mac 52:56:00:00:00:06 --location nfs://XXX --ram=1024 --vcpus=1 --file-size=20 --hvm