Bug#757927: [qemu-kvm] TRIM (discard=unmap) broken in 2.1

2014-08-13 Thread Michael Tokarev
[This is http://bugs.debian.org/757927 -- trim stopped working in qemu 2.1] 12.08.2014 18:46, Michael Tokarev wrote: 12.08.2014 17:35, Roman Mamedov wrote: Package: qemu-kvm Version: 2.1+dfsg-2~bpo70+2 Severity: normal Hello, I was able to successfully use the passthrough TRIM support

Bug#757927: [qemu-kvm] TRIM (discard=unmap) broken in 2.1

2014-08-13 Thread Roman Mamedov
On Wed, 13 Aug 2014 10:05:51 +0400 Michael Tokarev m...@tls.msk.ru wrote: BTW, I found a system here with an SSD which supports discard, and tried my guests against it -- everything works fine when I use sata/ahci, but it breaks indeed when using the default IDE interface. Hello, Thanks for

Bug#757927: [qemu-kvm] TRIM (discard=unmap) broken in 2.1

2014-08-13 Thread Michael Tokarev
13.08.2014 10:16, Roman Mamedov wrote: Thanks for working on this! Sorry for not being able to test an updated version sooner. You're welcome. I learned something too ;) [] I was only successful in using this with the virtual IDE interface disks on Qemu/KVM 2.0, the virtio mode does not

Bug#757927: [qemu-kvm] TRIM (discard=unmap) broken in 2.1

2014-08-12 Thread Roman Mamedov
Package: qemu-kvm Version: 2.1+dfsg-2~bpo70+2 Severity: normal Hello, I was able to successfully use the passthrough TRIM support with an IDE interface virtual disk in Qemu-KVM version 2.0. However after upgrading to 2.1 and restarting my VM, TRIM now fails in it with messages like those quoted

Bug#757927: [qemu-kvm] TRIM (discard=unmap) broken in 2.1

2014-08-12 Thread Roman Mamedov
Hello, Just confirmed that downgrading the package qemu-system-x86 from version 2.1+dfsg-2~bpo70+2 to 2.0.0+dfsg-4~bpo70+1 and restarting the affected VM fixes this, TRIM starts working again without issue. -- With respect, Roman signature.asc Description: PGP signature

Bug#757927: [qemu-kvm] TRIM (discard=unmap) broken in 2.1

2014-08-12 Thread Michael Tokarev
12.08.2014 17:35, Roman Mamedov wrote: Package: qemu-kvm Version: 2.1+dfsg-2~bpo70+2 Severity: normal Hello, I was able to successfully use the passthrough TRIM support with an IDE interface virtual disk in Qemu-KVM version 2.0. However after upgrading to 2.1 and restarting my VM,