[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] 'Sloppier' PCI access checks in main tree
sorry missed this email. i'm using 2.4.28. i'll try today, since i have to recompile my kernel anyway. reaction times on my system are anything but good (what performace loss should i expect if i use a file-backed vbd (and what fs is the most for those). also network seems pretty slow. stijn On Sat, 8 Jan 2005 18:42:16 -0000, Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx> wrote: > Stijn, > > What kernel are you using? We've all been working on the assumption that > you were using 2.6, but the problem your seeing would be consistent with > using 2.4, which only has support for basic X servers. If you are using > 2.4 try disabling the int10/bios/vesa X drivers etc. > > [Our /dev/mem under 2.4 doesn't support read/write only mmap.] > > Ian > > > -----Original Message----- > > From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx > > [mailto:xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of > > Keir Fraser > > Sent: 08 January 2005 17:22 > > To: Ronald G. Minnich > > Cc: Stijn De Weirdt; xen-devel@xxxxxxxxxxxxxxxxxxxxx > > Subject: [Xen-devel] 'Sloppier' PCI access checks in main tree > > > > > As I read this, the module loader tried to run the vga bios > > and failed, as > > > it could not get to the actual BIOS code? That's how it looks to me > > > anyway. > > > > > > I have no idea: has anyone seen option rom access working > > under Xen? I > > > have not, but I have not tried this recently. The VGA bios > > ROM is not > > > accessible on my laptop, however. > > > > > > Does Xen currently allow a guest to set enable the option > > rom access and > > > set the register (0x30 I think) for the option ram base address? > > > > I've just checked in sloppoer PCI checking for 2.0-testing and > > unstable trees. It should help for those drivers that need to monkey > > with the base-address config registers (we had previously been > > disallowing that). Really, applying any check finer-grained than > > "should this domain be allowed to access this device?" is hard as > > various drivers need to do all kinds of weird things with the > > config-register space. > > > > Hopefully this may help you get further in getting AGP to work on your > > system! > > > > -- Keir > > > > > > ------------------------------------------------------- > > The SF.Net email is sponsored by: Beat the post-holiday blues > > Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. > > It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@xxxxxxxxxxxxxxxxxxxxx > > https://lists.sourceforge.net/lists/listinfo/xen-devel > > > ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/xen-devel
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