Instruction trace for userspace emulator

2022-01-07 Thread Marcus Engene
. Any thoughts around this would be highly appreciated. Kind regards, Marcus

Qemu Userspace Emulator with library + method

2021-12-13 Thread Marcus Engene
602812 [006] 206712.277264027:  7f8d50217093 brk+0x13 (/usr/lib/x86_64-linux-gnu/ld-2.31.so)         movq  %rax, 0x1106e(%rip) Is this doable? Do you have any advice on where to start? I tried to get the "symbol" in the plugin, but I only get null values. Kind regards, Marcus

Re: [PATCH] multiboot: Use DMA instead port-based transfer

2021-10-21 Thread Marcus Hähnel
another OS and QEmu version and on a server system. As you can see we get not MiB/s when booting through multiboot without DMA but KiB/s. - Marcus signature.asc Description: This is a digitally signed message part.

Re: [Qemu-devel] [PATCH] sm501: Adjust endianness of pixel value in rectangle fill

2018-09-19 Thread Marcus Comstedt
w much about KVM. I did a quick attempt with HV KVM but it did not work. I'll try again with PR KVM once I figure out how to load the kvm_pr kernel module (right now modprobe gives me "Input/output error"...). // Marcus -- ---

[Qemu-devel] [PATCH] sm501: Adjust endianness of pixel value in rectangle fill

2018-09-19 Thread Marcus Comstedt
The value from twoD_foreground (which is in host endian format) must be converted to the endianness of the framebuffer (currently always little endian) before it can be used to perform the fill operation. Signed-off-by: Marcus Comstedt --- Hi. I noticed when running AmigaOS 4.1 as a guest

Re: [Qemu-devel] vm internal snapshot deletes only delete first disk's snapshots

2015-07-14 Thread Marcus
find the snapshot On Mon, Jul 13, 2015 at 10:28 PM, Marcus shadow...@gmail.com wrote: Hi all, I've recently been toying with VM snapshots, and have ran into an issue. Given a VM with multiple disks, it seems a snapshot-create followed by a snapshot-delete will only remove the qcow2

Re: [Qemu-devel] vm internal snapshot deletes only delete first disk's snapshots

2015-07-14 Thread Marcus
feedback on that I'd appreciate it. Also, I'll look around for patch submission guidelines, but if someone can point me in the right direction I'd appreciate it as well. Thanks On Mon, Jul 13, 2015 at 11:29 PM, Marcus shadow...@gmail.com wrote: Ok, this is weird. It looks like it dies

Re: [Qemu-devel] vm internal snapshot deletes only delete first disk's snapshots

2015-07-14 Thread Marcus
is always passed to bdrv_snapshot_delete_by_id_or_name. Broken in commit a89d89d, v1.7.0. On Tue, Jul 14, 2015 at 12:32 AM, Marcus shadow...@gmail.com wrote: Ok, I seem to have fixed it. I can submit a patch, but some input would be appreciated. In savevm.c, we have two functions: void hmp_delvm

[Qemu-devel] vm internal snapshot deletes only delete first disk's snapshots

2015-07-13 Thread Marcus
Hi all, I've recently been toying with VM snapshots, and have ran into an issue. Given a VM with multiple disks, it seems a snapshot-create followed by a snapshot-delete will only remove the qcow2 snapshot for the first disk (or perhaps just the disk that contains the memory), not all of the

Re: [Qemu-devel] Unresponsive linux guest once migrated

2014-04-15 Thread Marcus
-device cirrus-vga,id=video0,bus=pci.0,addr=0x2 On Tue, Apr 15, 2014 at 1:59 AM, Dr. David Alan Gilbert dgilb...@redhat.com wrote: * Marcus (shadow...@gmail.com) wrote: Dang, I was hoping some ground was being made on this. Can you answer the same questions I asked Marcin? What's the latest

Re: [Qemu-devel] Unresponsive linux guest once migrated

2014-04-14 Thread Marcus
Dang, I was hoping some ground was being made on this. On Wed, Apr 2, 2014 at 11:05 AM, Marcin Gibuła m.gib...@beyond.pl wrote: Yes, that's where it gets weird. I've never seen this on fresh VM. It needs to be idle for couple of hours at least. And even then it doesn't always hang. So your

Re: [Qemu-devel] qemu-img convert cache mode for source

2014-03-05 Thread Marcus
I think this is a more generic sysadmin problem. I've seen the same thing in the past with simply snapshotting a logical volume or zfs zvol and copying it off somewhere. Page cache bloats, the system starts swapping. To avoid it, we wrote a small C program that calls FADV_DONTNEED on a file, and

Re: [Qemu-devel] qemu-img convert cache mode for source

2014-03-05 Thread Marcus
On Wed, Mar 5, 2014 at 8:53 AM, Peter Lieven p...@kamp.de wrote: Am 05.03.2014 16:20, schrieb Marcus: I think this is a more generic sysadmin problem. I've seen the same thing in the past with simply snapshotting a logical volume or zfs zvol and copying it off somewhere. Page cache bloats

Re: [Qemu-devel] Can KVM be enabled for Ubuntu Guest on Windows Host

2014-02-20 Thread Marcus
Nested virtualization will work, if the hypervisor you are using supports passing the vmx flag in the guest. As far as I'm aware, VMware fusion does, but qemu on windows probably doesn't. I once made a few code changes to allow KVM guests to work without the need for vmx (for devcloud), but the

Re: [Qemu-devel] Can KVM be enabled for Ubuntu Guest on Windows Host

2014-02-20 Thread Marcus
Sorry, for some reason I thought this was the CloudStack mailing list... On Thu, Feb 20, 2014 at 10:31 PM, Marcus shadow...@gmail.com wrote: Nested virtualization will work, if the hypervisor you are using supports passing the vmx flag in the guest. As far as I'm aware, VMware fusion does

Re: [Qemu-devel] troubleshooting live migration

2014-01-15 Thread Marcus Sorensen
I tried -no-hpet, was still able to replicate the 'lapic' issue. I find it interesting that I can only trigger it if the vm has been running awhile. On Tue, Jan 14, 2014 at 11:08 PM, Marcus Sorensen shadow...@gmail.com wrote: Ok, more information. The console spews 'lapic increasing min_delta_ns

[Qemu-devel] troubleshooting live migration

2014-01-14 Thread Marcus Sorensen
Does anyone have tips on troubleshooting live migration? I've got several E5-2650 servers running in test environment, kernel 3.10.26 and qemu 1.7.0. If I start a VM guest (say ubuntu, debian, or centos), I can migrate it around from host to host to host just fine, but if I wait awhile (say 1

Re: [Qemu-devel] troubleshooting live migration

2014-01-14 Thread Marcus Sorensen
Ok, more information. The console spews 'lapic increasing min_delta_ns to ' when this happens. On Tue, Jan 14, 2014 at 8:31 AM, Marcus Sorensen shadow...@gmail.com wrote: Does anyone have tips on troubleshooting live migration? I've got several E5-2650 servers running in test

[Qemu-devel] [Bug 873460] [NEW] Likewise no sound

2011-10-13 Thread Marcus Paiva
Public bug reported: Hi, using fresh Ubuntu 11.10 with Likewise 6 in a MS Domain. Domain users log with no sound. Local users are OK. Thx ** Affects: qemu Importance: Undecided Status: New ** Tags: 11.10 likewise ubuntu -- You received this bug notification because you are a

[Qemu-devel] [Bug 873460] Re: Likewise no sound

2011-10-13 Thread Marcus Paiva
Sry, posted in the wrong chanel. Can I move it to https://bugs.launchpad.net/ubuntu/+source/likewise-open ? -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/873460 Title: Likewise no sound Status

[Qemu-devel] [Bug 797905] [NEW] virsh live migration

2011-06-15 Thread Marcus Paiva
Public bug reported: Hi, i do not manage to do a virsh migrate live command. Using Ubuntu Server 10.04 x64 root@svr50abl:~# virsh list Id Nome Estado -- 18 Winxpexecutando 19 testeexecutando root@svr50abl:~# sudo

[Qemu-devel] [PATCH] bitbang_i2c: Fix spurious slave read after NACK

2011-05-28 Thread Marcus Comstedt
After NACKing a read operation, a raising SCL should not trigger a new read from the slave. Introduce a new state which just waits for a stop or start condition after NACK. Signed-off-by: Marcus Comstedt mar...@mc.pp.se --- hw/bitbang_i2c.c |5 - 1 files changed, 4 insertions(+), 1

[Qemu-devel] [PATCH] Fix broken fp comparison on PPC host

2005-08-07 Thread Marcus Comstedt
modern architectures... Anyway, thanks for QEMU, it's a great program. :-) // Marcus --- fpu/softfloat.h.orig 2005-08-07 14:45:44.0 +0200 +++ fpu/softfloat.h 2005-08-07 14:48:11.0 +0200 @@ -234,8 +234,8 @@ char float32_eq_signaling( float32, float32 STATUS_PARAM ); char