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 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. c.
