Re: [uml-devel] Integer overflows in new AIO ubd driver

2006-03-29 Thread Gerd Stolpmann
Am Mittwoch, den 29.03.2006, 14:33 -0500 schrieb Jeff Dike: > On Mon, Mar 27, 2006 at 05:47:31PM +0200, Gerd Stolpmann wrote: > > I used iozone in various ways. The simplest workload leading to problems > > was: > > > > - Write a 5GB file > > - Write it again >

Re: [uml-devel] Integer overflows in new AIO ubd driver

2006-03-27 Thread Gerd Stolpmann
Am Montag, den 27.03.2006, 10:38 -0500 schrieb Jeff Dike: > On Sun, Mar 26, 2006 at 08:49:25PM +0200, Gerd Stolpmann wrote: > > I recently tried to benchmark the new AIO-based ubd driver (including > > O_DIRECT), and ran into serious problems with filesystems > 4GB. I think >

[uml-devel] Integer overflows in new AIO ubd driver

2006-03-26 Thread Gerd Stolpmann
; + (unsigned long long) start * req->sectorsize; len = (end - start) * req->sectorsize; buf = &req->buffer[start * req->sectorsize]; -- Gerd Stolpmann * Viktoriastr. 4

Re: [uml-devel] Strange behaviour of hwrng

2005-10-22 Thread Gerd Stolpmann
as pulled out of /dev/random from greedy UML kernels. Ideally, the UMLs take only entropy when the entropy pool is filled to a certain watermark at minimum. Gerd -- Gerd Stolpmann *

Re: [uml-devel] Strange behaviour of hwrng

2005-10-21 Thread Gerd Stolpmann
Am Freitag, den 21.10.2005, 20:42 +0200 schrieb Blaisorblade: > On Friday 21 October 2005 20:24, Gerd Stolpmann wrote: > > Hi list, > > > > I recently tested the hwrng driver. In principal, it works, but it > > sometimes eats up all host CPU time. In particular, I can

[uml-devel] Strange behaviour of hwrng

2005-10-21 Thread Gerd Stolpmann
from Debian Sarge. TLS is disabled. Let me know if you need more information. Gerd -- Gerd Stolpmann * Viktoriastr. 45 * 64293 Darmstadt * Germany [EMAIL PROTECTED] http://www.gerd-stolpmann.de Telefon: 06151/153855