[Qemu-devel] blockdev.c - bug

2013-10-14 Thread Edivaldo de Araujo Pereira
Dear qemu developers, I've noticed about 3 days ago a bug, apparently introduced by the last massive modifications in blockdev.c, that prevents the use of a cdrom ISO without write permission, like in qemu-system-i386 -cdrom /some.iso ..., giving the message could not open disk image

[Qemu-devel] High memory usage by multiqueue

2013-02-19 Thread Edivaldo de Araujo Pereira
Dear Jason, In the last 2 weeks, I noticed a significant increase in the memory usage of qemu. Just to assess the stability of my system, I usually run a kind of stress test, every time I install a new kernel in my host or in a custom VM that I use in my classes, or when I compile a new

Re: [Qemu-devel] [PATCH] virtio: limit avail bytes lookahead

2012-11-27 Thread Edivaldo de Araujo Pereira
. Tsirkin m...@redhat.com escreveu: De: Michael S. Tsirkin m...@redhat.com Assunto: Re: [PATCH] virtio: limit avail bytes lookahead Para: Amit Shah amit.s...@redhat.com Cc: Stefan Hajnoczi stefa...@gmail.com, Edivaldo de Araujo Pereira edivaldoapere...@yahoo.com.br, qemu-devel@nongnu.org, Anthony

Re: [Qemu-devel] [Bug 1066055] Re: Network performance regression with vde_switch

2012-10-22 Thread Edivaldo de Araujo Pereira
, 4:18 On (Tue) 16 Oct 2012 [09:48:09], Stefan Hajnoczi wrote: On Mon, Oct 15, 2012 at 09:46:06PM -, Edivaldo de Araujo Pereira wrote: Hi Stefan, Thank you, very much for taking the time to help me, and excuse me for not seeing your answer early... I've run the procedure

[Qemu-devel] [Bug 1066055] Re: Network performance regression with vde_switch

2012-10-16 Thread Edivaldo de Araujo Pereira
experiments. Interestingly, at the same time I've noticed a performance enhancement of about 25~30 % when using a tun/tap interface, bridged or not. Thank you, very much. Edivaldo de Araujo Pereira To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1066055

[Qemu-devel] [Bug 1066055] Re: Network performance regression with vde_switch

2012-10-15 Thread Edivaldo de Araujo Pereira
or not. Thank you, very much. Edivaldo de Araujo Pereira To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1066055/+subscriptions

[Qemu-devel] [Bug 1066055] [NEW] Network performance regression with vde_switch

2012-10-12 Thread Edivaldo de Araujo Pereira
when running some accademic experiments. Interestingly, at the same time I've noticed a performance enhancement of about 25~30 % when using a tun/tap interface, bridged or not. Thank you, very much. Edivaldo de Araujo Pereira ** Affects: qemu Importance: Undecided Status: New