Re: [Qemu-devel] nbd: Possible regression in 2.9 RCs

2017-04-04 Thread ciprian . barbu
Hi, On 03.04.2017 22:44, Eric Blake wrote: On 04/03/2017 07:39 AM, Max Reitz wrote: As for just allowing the NBD server write access to the device... To me that appears pretty difficult from an implementation perspective. We assert that nobody can write without having requested write access and

Re: [Qemu-devel] nbd: Possible regression in 2.9 RCs

2017-04-04 Thread ciprian . barbu
Hi, On 03.04.2017 21:52, Kashyap Chamarthy wrote: On Fri, Mar 31, 2017 at 05:49:52PM +, Ciprian Barbu wrote: Hi, [...] We also use libvirt v1.3.4, which might be a problem, but at least we want to understand if the commit in question introduced an obvious problem or if it's all i

Re: [Qemu-devel] nbd: Possible regression in 2.9 RCs

2017-03-31 Thread Ciprian Barbu
Ciprian -Original Message- From: Max Reitz [mailto:mre...@redhat.com] Sent: Friday, March 31, 2017 8:43 PM To: Ciprian Barbu ; qemu-devel@nongnu.org; Eric Blake ; Alexandru Avadanii Cc: Jeff Cody ; Markus Armbruster ; svc-armband ; Kevin Wolf Subject: Re: [Qemu-devel] nbd: Possible regres

Re: [Qemu-devel] nbd: Possible regression in 2.9 RCs

2017-03-31 Thread Ciprian Barbu
Sorry, I think this one is more likely the cause, it's about migration: https://github.com/qemu/qemu/commit/6f5ef23a3ff09919b73eef8196969685cb2383ee From: Ciprian Barbu Sent: Friday, March 31, 2017 8:33 PM To: Ciprian Barbu ; qemu-devel@nongnu.org; Eric Blake ; Alexandru Avadanii Cc: Jeff

Re: [Qemu-devel] nbd: Possible regression in 2.9 RCs

2017-03-31 Thread Ciprian Barbu
requests. [1] https://github.com/qemu/qemu/commit/8a7ce4f9338c475df1afc12502af704e4300a3e0 From: cosnos-boun...@list.enea.se [mailto:cosnos-boun...@list.enea.se] On Behalf Of Ciprian Barbu Sent: Friday, March 31, 2017 7:04 PM To: qemu-devel@nongnu.org; Eric Blake ; Alexandru Avadanii Cc: Jef

[Qemu-devel] nbd: Possible regression in 2.9 RCs

2017-03-31 Thread Ciprian Barbu
Hello, Similar to the other thread about possible regression with rbd, there might be a regression with nbd. This time we are launching an instance from an image (not volume) and try to live migrate it: nova live-migration The nova-compute service complains with: 2017-03-31 15:32:56.179 7806