Eric Dantan Rzewnicki wrote: >On Fri, Jul 29, 2005 at 02:38:35AM +0200, Cesare wrote: > > >>Ryan wrote: >> >> >>>On Thu, 2005-07-28 at 15:26 -0400, Lee Revell wrote: >>> >>> >>>>On Thu, 2005-07-28 at 02:59 -0500, Ryan wrote: >>>> >>>> >>>>>On Thu, 2005-07-28 at 08:07 +0200, Cesare Marilungo wrote: >>>>> >>>>> >>>>>>I solved the problem *cough* disabling the ethernet card. Don't know why >>>>>>it worked randomly yesterday. >>>>>> >>>>>> >>>>>I can confirm this problem/solution. UA25 glitchy as heck till eth0 is >>>>>disabled. I have a dell inspiron 5100 running gentoo btw. >>>>>Makes icecast streaming jackd a bit tough, but at least it works. >>>>> >>>>> >>>>Are you both using the same network driver/hardware? Does it share an >>>>interrupt with the USB? >>>> >>>> >>>Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01) >>>Interrupt: pin A routed to IRQ 7 >>>(b44 module, marked experimental since 2.4.x days) >>>USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) >>>USB UHCI Controller >>>Interrupt: pin [A, B, C, d] routed to IRQ 11 >>>This is an UHCI controller... I thought the usb kernel stuff was going >>>to get some attention, something about top-half/bottom-half irq >>>handling? Afaik that hasn't happened yet. >>>-ry >>> >>> >>Marvell Yukon Gigabit Ethernet 10/100/1000 >> >> > >Is this perchance built in to the motherboard? I'm having issues with an >athlon64 box on an asus a8v with one of these marvell gigabit nics built >in. This is with a digigram mixart 8 aes/ebu card. Jack is reporting >xruns fairly reliable when I switch windows in openbox. > >I'll try disabling the nic tomorrow and see if that changes things at >all here. > > > Yep. asus k8v-x with athlon 64 3000+. No xruns after disabling the ethernet interface. Kernel is the one shipped in Suse. I think it is fair to compile just the realtime module with the patch applied to source. I still have the capability module but don't load it. With the nvidia driver some xruns appear at -p64 -n4 but just in some critical occasions. c. >>I'm in Window$ now( developing in Flash, sigh!), can't check the irqs. >>But I remember that I checked for this and the irqs were different. >> >>It's also interesting that I got half the latency switching from >>kernel-2.6.10 to 2.6.11. The latter is x86_64, BTW. And I can't get such >>low latency on MacOSX or XP (neither with the Egosys PCI card). And this >>is a USB card. >> >> > >athlon 64 3200+ here. though at the moment the kernel is compiled with >CONFIG_MK7=y. I'll try MK8 tomorrow as well. > >this is linux 2.6.12.3 on debian sarge. > >
