problem about hypervisor-Collection of common programming errors

10 years ago
admin
2 minutes

  • MSalters
    virtualization hypervisor
    Modern hardware-assisted desktop virtualization products (like VMWare Workstation or VirtualBox) normally provide the guest OS with a virtual graphics adapter that has a limited functionality.Is it possible to switch the adapters, i.e provide guest OS with direct access to the real graphics adapter, and assign a virtual graphics adapter to the host OS? Is there any software that has this functionality? If not, is it possible to develop such system? Let’s assume we only have a single guest OS.

  • Gil
    virtualization out-of-memory g-wan hypervisor
    I have a fc14 32 bit system with 2.6.35.13 custom compiled kernel. When I try to start G-wan I get a “Segmentation fault”.I’ve made no changes, just downloaded and unpacked the files from g-wan site.In the log file I have: “[Wed Dec 26 16:39:04 2012 GMT] Available network interfaces (16)” which is not true, on the machine i have around 1k interfaces mostly ppp interfaces.I think the crash has something to do with detecting interfaces/ip addresses because in the log after the above line I have

  • James Green
    ubuntu xen ext3 hypervisor data-loss
    I have a Xen domU provided by a third party, running Ubuntu (10.04, server edition, stock -server kernel). This server runs Dovecot and Exim4, with mail stored in Maildirs, and runs a fairly typical LAMP stack with most applications in Perl, and all data stored either in a directory tree full of TIFF files, or a MySQL DB. This server has been operation for around 3 months for LAMP stuff, and a month serving mail. All filesystems (except swap) are Ext3.A couple of weeks ago we suddenly found a wh

  • dotdot
    virtualization hypervisor
    I’ve started reading about VMM and wondered to myself how does the hypervisor knows a privileged instruction (for ex, cpuid) happened inside a VM and not real OS ?let’s say I’ve executed cpuid, a trap will occur and a VMEXIT would happen, how does the hypevisor would know that the instruction happened inside my regular OS or inside a VM ?

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