Messages in this thread | | | Date | Thu, 11 Jan 2007 13:57:37 +1100 | From | David Chinner <> | Subject | Re: [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown |
| |
On Wed, Jan 10, 2007 at 05:40:26PM -0800, Christoph Lameter wrote: > On Thu, 11 Jan 2007, David Chinner wrote: > > > On Wed, Jan 10, 2007 at 04:43:36PM -0800, Christoph Lameter wrote: > > > You are comparing a debian 2.6.18 standard kernel with your tuned version > > > of 2.6.20-rc3. There may be a lot of differences. Could you get us the > > > config? Or use the same config file and build 2.6.20/18 the same way. > > > > I took the /proc/config.gz from the debian 2.6.18-1 kernel as the > > base config for the 2.6.20-rc3 kernel and did a make oldconfig on > > it to make sure it was valid for the newer kernel but pretty much > > the same. I think that's the right process, so I don't think > > different build configs are the problem here. > > Debian may have added extra patches that are not upstream. I see f.e. some > of my post 2.6.18 patches in there.
Did you read the thread I linked in my original report? The original bug report was for a regression from 2.6.18.1 to 2.6.20-rc3. I have reproduced the same regression between the debian 2.6.18-1 kernel and 2.6.20-rc3. I think you're looking in the wrong place for the cause of the problem....
Cheers,
Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |