Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-31 Thread Stefan Priebe
When i try to cancel a running migration with qemu git i get a segfault. BT: (gdb) bt #0 _wordcopy_bwd_aligned (dstp=140051233112024, srcp=140051233112016, len=529920) at wordcopy.c:298 #1 0x7f61dd7c86da in *__GI_memmove (dest=0x7f6037bf5010, src=, len=38118264) at memmove.c:99 #2 0x

Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-29 Thread Paolo Bonzini
Il 29/12/2012 16:19, Stefan Priebe ha scritto: >> >> >> I suppose it will be between 05e72dc5812a9f461fc2c606dff2572909eafc39 >> and aa723c23147e93fef8475bd80fd29e633378c34d. >> >> Probably at 2dddf6f4133975af62e64cb6406ec1239491fa89, which was supposed >> to be placed before switching to the migra

Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-29 Thread Stefan Priebe
Am 29.12.2012 15:58, schrieb Paolo Bonzini: Il 29/12/2012 15:05, Stefan Priebe ha scritto: It starts working to me after the first 22 patches (after introducing the new mutex and threading for writes). And when does it break in 1.3? I suppose it will be between 05e72dc5812a9f461fc2c606dff2572

Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-29 Thread Paolo Bonzini
Il 29/12/2012 15:05, Stefan Priebe ha scritto: > Hi Paolo, > Am 29.12.2012 15:00, schrieb Paolo Bonzini: >>> i cherry picked that one on top of 1.3 sadly it does not help. VM halts, >>> monitor socket is no longer available kvm process is running with 100% >>> CPU on source side. >> >> Can you plea

Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-29 Thread Stefan Priebe
Hi Paolo, Am 29.12.2012 15:00, schrieb Paolo Bonzini: i cherry picked that one on top of 1.3 sadly it does not help. VM halts, monitor socket is no longer available kvm process is running with 100% CPU on source side. Can you please test master and, if it works, bisect it in reverse? (That is,

Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-29 Thread Paolo Bonzini
Il 28/12/2012 20:03, Stefan Priebe ha scritto: > Hi Paolo, > > Am 28.12.2012 18:53, schrieb Paolo Bonzini: >> Il 28/12/2012 08:05, Alexandre DERUMIER ha scritto: >>> Hi list, >>> After discuss with Stefan Yesterday here some more info: >>> >>> (this is for stable qemu 1.3, it was working fine with

Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-28 Thread Stefan Priebe
Hi Paolo, Am 28.12.2012 18:53, schrieb Paolo Bonzini: Il 28/12/2012 08:05, Alexandre DERUMIER ha scritto: Hi list, After discuss with Stefan Yesterday here some more info: (this is for stable qemu 1.3, it was working fine with qemu 1.2) The problem seem that whesettings a migrate_set_downtime

Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-28 Thread Paolo Bonzini
Il 28/12/2012 08:05, Alexandre DERUMIER ha scritto: > Hi list, > After discuss with Stefan Yesterday here some more info: > > (this is for stable qemu 1.3, it was working fine with qemu 1.2) > > The problem seem that whesettings a migrate_set_downtime to 1sec, > > the transfert of the vm seem to

Re: [Qemu-devel] setting migrate_downtime results in halted vm (qemu 1.3)

2012-12-27 Thread Alexandre DERUMIER
an Priebe" À: "qemu-devel" Envoyé: Jeudi 27 Décembre 2012 22:54:55 Objet: [Qemu-devel] setting migrate_downtime results in halted vm Hello list, i'm using qemu 1.3 and migration works fine if i do not set migrate_downtime. If i set migrate_downtime to 1s or 0.5s or 0.3s the VM

[Qemu-devel] setting migrate_downtime results in halted vm

2012-12-27 Thread Stefan Priebe
Hello list, i'm using qemu 1.3 and migration works fine if i do not set migrate_downtime. If i set migrate_downtime to 1s or 0.5s or 0.3s the VM halts immediatly i cannot even connect to the qmp socket anymore and migration takes 5-10 minutes or never finishes. I see high cpu usage on sour