Re: [Qemu-devel] Broken aarch64 by qcow2: skip writing zero buffers to empty COW areas [v2]

2019-08-22 Thread Max Reitz
On 22.08.19 17:40, Max Reitz wrote: > On 22.08.19 17:25, Max Reitz wrote: >> On 22.08.19 14:09, Max Reitz wrote: >>> (CC-ing Paolo because of the XFS connection, and Stefan because why not.) >>> >>> On 22.08.19 13:27, Lukáš Doktor wrote: Dne 21. 08. 19 v 19:51 Max Reitz napsal(a): > On

Re: [Qemu-devel] Broken aarch64 by qcow2: skip writing zero buffers to empty COW areas [v2]

2019-08-22 Thread Max Reitz
On 22.08.19 17:25, Max Reitz wrote: > On 22.08.19 14:09, Max Reitz wrote: >> (CC-ing Paolo because of the XFS connection, and Stefan because why not.) >> >> On 22.08.19 13:27, Lukáš Doktor wrote: >>> Dne 21. 08. 19 v 19:51 Max Reitz napsal(a): On 21.08.19 16:14, Lukáš Doktor wrote: >

Re: [Qemu-devel] Broken aarch64 by qcow2: skip writing zero buffers to empty COW areas [v2]

2019-08-22 Thread Max Reitz
On 22.08.19 14:09, Max Reitz wrote: > (CC-ing Paolo because of the XFS connection, and Stefan because why not.) > > On 22.08.19 13:27, Lukáš Doktor wrote: >> Dne 21. 08. 19 v 19:51 Max Reitz napsal(a): >>> On 21.08.19 16:14, Lukáš Doktor wrote: Hello guys, First attempt was

Re: [Qemu-devel] Broken aarch64 by qcow2: skip writing zero buffers to empty COW areas [v2]

2019-08-22 Thread Max Reitz
(CC-ing Paolo because of the XFS connection, and Stefan because why not.) On 22.08.19 13:27, Lukáš Doktor wrote: > Dne 21. 08. 19 v 19:51 Max Reitz napsal(a): >> On 21.08.19 16:14, Lukáš Doktor wrote: >>> Hello guys, >>> >>> First attempt was rejected due to zip attachment, let's try it again

Re: [Qemu-devel] Broken aarch64 by qcow2: skip writing zero buffers to empty COW areas [v2]

2019-08-22 Thread Lukáš Doktor
Dne 21. 08. 19 v 19:51 Max Reitz napsal(a): > On 21.08.19 16:14, Lukáš Doktor wrote: >> Hello guys, >> >> First attempt was rejected due to zip attachment, let's try it again with >> just Avocado-vt debug.log and serial console log files attached. >> >> I bisected a regression on aarch64 all the

Re: [Qemu-devel] Broken aarch64 by qcow2: skip writing zero buffers to empty COW areas [v2]

2019-08-21 Thread Max Reitz
On 21.08.19 16:14, Lukáš Doktor wrote: > Hello guys, > > First attempt was rejected due to zip attachment, let's try it again with > just Avocado-vt debug.log and serial console log files attached. > > I bisected a regression on aarch64 all the way to this commit: "qcow2: skip > writing zero

Re: [Qemu-devel] Broken aarch64 by qcow2: skip writing zero buffers to empty COW areas [v2]

2019-08-21 Thread Lukáš Doktor
Dne 21. 08. 19 v 17:49 Anton Nefedov napsal(a): > On 21/8/2019 5:14 PM, Lukáš Doktor wrote: >> Hello guys, >> >> First attempt was rejected due to zip attachment, let's try it again with >> just Avocado-vt debug.log and serial console log files attached. >> >> I bisected a regression on aarch64

Re: [Qemu-devel] Broken aarch64 by qcow2: skip writing zero buffers to empty COW areas [v2]

2019-08-21 Thread Anton Nefedov
On 21/8/2019 5:14 PM, Lukáš Doktor wrote: > Hello guys, > > First attempt was rejected due to zip attachment, let's try it again with > just Avocado-vt debug.log and serial console log files attached. > > I bisected a regression on aarch64 all the way to this commit: "qcow2: skip > writing