Hi people, I hope this is the correct place to post. I was told to post here by a forum moderator for the VirtualBox Linux Guests forum.
This is one of my first posts, so I also hope this post is appropriate and not an already known issue. I am running VirtualBox 4.2.10 on a Windows 7 Home Premium x64 Guest. I am running the latest version of the guest add-ins. I am finding with my Ubuntu 11.10 i386 guest that 2 system calls fail with files on shared folders. Specifically the calls are: mmap (90) and mmap(192). Both calls return error code "EINTVAL" (-12 if I recall correctly). Everything under gdb, edb (another Linux debugger) and systrace looks right. Using the same code on the same files, in a directory local to the Linux installation, things work. Is it possible this is happening because the file are trying to be mapped including write access (PROT_READ+PROT_WRITE)? If this is the case, will there ever be support for writable mem-mapped files on shared folders in Linux guests? Thank you, AVD.79
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