VirtualBox

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Ticket Resolution Summary Owner Reporter
#1186 fixed Windows Friert ein Spooky
Description

ich hab debian drauf als host os und als guest os win xp das stürzt nach kurzer zeit ab also es friert ein hier ist mal das log file www.gothtown.de/GothTown-2008-02-13-00-41-41.log ... auch nochma im anhang 1.5.4r27034 << das is die version . /usr/lib/virtualbox/VirtualBox Xlib: extension "XInputExtension" missing on display ":1.0". Qt WARNING: Failed to get list of devices das kommt immer in der console während virtualbox läuft

#1187 fixed Cannot write more than 1023 bytes at once on shared drive via C++ ofstream => Fixed in SVN Dirk Farin
Description

I have a strange behaviour when writing files to shared folders on the host system. The configuration is: host: Windows-XP guest: Linux, Debian, 2.6.22 (lenny / testing) gcc on guest: 4.2.3

When using this simple test program, compiled on the guest linux system:


#include <iostream> #include <iomanip> #include <fstream>

int main(int argc, char *argv[]) {

char buf[5000];

for (int i=0;i<5000;i++) buf[i]=1;

std::ofstream os("out", std::ios::binary | std::ios::out); os.write(buf, 1024);

os << "end" << std::endl;

}


The program writes only 'zeros' instead of 'ones' when the output is a shared host folder (ntfs, mount options: "rw,exec,suid,dev"). This happens when the number of bytes written is >=1024. For chunks smaller than 1023, it works ok. It also works ok, if the output is on the guest file-system.

If the last line is removed (the file output is not flushed), no output is written at all (zero-length file). The ios::bad flag is not set after writing, claiming that everything went ok.

Replacing the ofstream output with fwrite-based code works ok for all sizes.

Not sure, if this is a stdc++ problem or a VirtualBox problem, but since the problem occurs with several gcc versions and only appears when writing to the host filesystem, it seems to be related to VirtualBox.

#1196 fixed vnic_setup.sh fails with more than 1 active NIC Jens Elkner
Description

If one has more than 1 active NIC, vnic_setup.sh

patch to fix attached ...

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