Re: lowlatency 2.2.19

2001-06-07 Thread Pierre Etchemaite
Le 05-Jun-2001, Andrew Morton écrivait : > Some video cards have a PCI cheat-mode in which they keep > the PCI bus busy until they are ready to accept new > commands, rather forcing a retry. Figures of up to > twenty milliseconds have been mentioned. Your X server > *may* support the `PCIRetry'

Re: lowlatency 2.2.19

2001-06-04 Thread William Montgomery
On Mon, 4 Jun 2001, safemode wrote: > this is just a general question about low latency patches on 2.2, I > remember hearing about low latency patches for 2.4 not playing well with X > 4.x, is this true for 2.2 low latency patches as well? > Not sure. My testing uses XFree86 3.3.6. Wm

Re: lowlatency 2.2.19

2001-06-04 Thread Andrew Morton
safemode wrote: > > this is just a general question about low latency patches on 2.2, I > remember hearing about low latency patches for 2.4 not playing well with X > 4.x, is this true for 2.2 low latency patches as well? Yes, it would be the case. Some video cards have a PCI cheat-mode in wh

Re: lowlatency 2.2.19

2001-06-04 Thread safemode
this is just a general question about low latency patches on 2.2, I remember hearing about low latency patches for 2.4 not playing well with X 4.x, is this true for 2.2 low latency patches as well? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a me

Re: lowlatency 2.2.19

2001-06-04 Thread William Montgomery
On Mon, 4 Jun 2001, Andrea Arcangeli wrote: > On Sun, Jun 03, 2001 at 10:38:34AM -0400, William Montgomery wrote: > > Anyone have any ideas? > > Which options did you enabled? In theory the ikd patch could only make > the latency worse ;), there are no performance improvements in it but > onl

Re: lowlatency 2.2.19

2001-06-04 Thread Andrea Arcangeli
On Sun, Jun 03, 2001 at 10:38:34AM -0400, William Montgomery wrote: > Anyone have any ideas? Which options did you enabled? In theory the ikd patch could only make the latency worse ;), there are no performance improvements in it but only runtime debugging stuff. Andrea - To unsubscribe from t

lowlatency 2.2.19

2001-06-03 Thread William Montgomery
I am testing Ingo's lowlatency patch on the 2.2.19 kernel and have a strange problem. I applied the most recent patch I could find, lowlatency-2.2.16-A0 and fixed a few failed hunks. The kernel appears stable after many (~24) hours of stress testing with Benno's latencytest suite and others.