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Ticket Resolution Summary Owner Reporter
#1253 fixed Old legacy app causes VM lockup under Windows XP guest David Naddor
Description

I have several old DOS programs generated by JPI TopSpeed. If I try to run them in my Windows XP guest, the VM locks up. They run fine under real Windows XP. They also run fine under DosBox. I attached two programs that I really wish I could use under VirtualBox.

#1256 fixed Linux Guest loses networking under heavy load mkostrze
Description

I have host Mandriva 2007.1 and guest Mandriva 2008.0. I'm using bridged networking in kind of advanced mode. I created private subnetwork for this guest and I'm doing SNAT for it. I can provide any details you may request, but It was working fine with previous versions of VirtualBox.

After upgrading to VirtualBox 1.5.6 I'm experiencing an issue that the guest networking just stops working, and it usually happens when the heavier network load was generated to it (I have a web server on the guest and the network stops working on the guest when handling multiple connections)

Stops working = the guest and host network devices are up, the tap device on the host is still connected to the br device, but connecting out and from the guest is impossible. Restarting the networking on the guest does not help. Restarting the whole guest by invoking 'reboot' command does not help. Only one thing that helps is to stop the guest and cold-start it from VirtualBox.

I tried both e1000 and pcnet32 driver.

Is there any log I can enable / any experiment to do / any more info I can provide?

#1257 fixed VBoxSDL segfaults during startup, slow ssh connections Christopher
Description

Dear VirtualBox team. It seems, that somehow I'm attractive for segfaults. Anyway, here are the problem descriptions:

Host: openSUSE-10.3 + all Patches, Athlon64 in 32-bit mode, kernel-default-2.6.22.9, glibc-2.6.1

Guest: WindowsXP SP2 + all patches, German, guest-additions-1.5.6 installed

Binary: VirtualBox-1.5.6_28266_openSUSE103-1.i586.rpm

SGID-vboxusers: VBoxSDL is started with SGID-vboxusers wrapper

Problem-1: If I call VBoxSDL over an ssh-forwarded (-X and -Y tested) and rather slow TDSL-cable connection (2 MBit), it segfaults always:

my-laptop@home -> ssh -> computer@uni -> VBoxSDL ==> segfault

I admit, that this is much to slow to work with. But I was just curious. If I call VBoxSDL from the same computer over a fast ssh-connection, I do not get any segfaults:

my-laptop@uni -> ssh -> computer@uni -> VBoxSDL ==> NO-segfault

Core dumps and segfaults of three VBoxSDL calls:

http://rapidshare.de/files/38689424/core.5098.during-startup-over-ssh.dat.bz2.html http://rapidshare.de/files/38689429/core.5098.during-startup-over-ssh.VBox.log.html http://rapidshare.de/files/38689434/core.5354.during-startup-over-ssh.dat.bz2.html http://rapidshare.de/files/38689437/core.5354.during-startup-over-ssh.VBox.log.html http://rapidshare.de/files/38689443/core.6749.during-startup-over-ssh-Y.dat.bz2.html http://rapidshare.de/files/38689447/core.6749.during-startup-over-ssh-Y.VBox.log.html

Problem-2: I had once and only once a direct VBoxSDL core dump, e.g. started without ssh from a terminal window. Here is the core-dump (unfortunately without log):

http://rapidshare.de/files/38689515/core.9483.bz2.html

Maybe the problems are connected.

Many thanks for your help and your good work.

Best regards

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