Date: Thu, 05 Mar 2009 23:49:04 +0200 From: Giorgos Keramidas <keramida@freebsd.org> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: recent usb2 regression Message-ID: <87eixby71r.fsf@kobe.laptop> In-Reply-To: <200903051013.19417.hselasky@c2i.net> (Hans Petter Selasky's message of "Thu, 5 Mar 2009 10:13:19 %2B0100") References: <87k5742wwv.fsf@kobe.laptop> <200903051013.19417.hselasky@c2i.net>
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On Thu, 5 Mar 2009 10:13:19 +0100, Hans Petter Selasky <hselasky@c2i.net> wrote: > On Thursday 05 March 2009, Giorgos Keramidas wrote: >> After my last update to March 1 sources, uhci started going into >> interrupt storm mode: >> >> $ vmstat -i >> interrupt total rate >> irq16: uhci0 745625990 169191 >> Total 764017451 173364 > Hi, > The only active interrupt is the HCH status bit. > > You can try editing /sys/dev/usb/controller/uhci.c and apply the > following patch: > > /* get acknowledge bits */ > status &= (UHCI_STS_USBINT | > UHCI_STS_USBEI | > UHCI_STS_RD | > + UHCI_STS_HCH | > UHCI_STS_HSE | > UHCI_STS_HCPE); Hi Hans, Thanks for the patch. I'll try it later today and report back :)
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