Date: Fri, 23 Apr 2004 11:18:11 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-current@freebsd.org Cc: "M. Warner Losh" <imp@bsdimp.com> Subject: Re: HEADS UP: PCI Chnages Message-ID: <200404231118.11833.jhb@FreeBSD.org> In-Reply-To: <20040422163451.C1D365D07@ptavv.es.net> References: <20040422163451.C1D365D07@ptavv.es.net>
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On Thursday 22 April 2004 12:34 pm, Kevin Oberman wrote: > Well, things seem to have deteriorated slightly with Warner's recent PCI > changes (backing out much of the PCI power stuff). > > 1. I have both my hard disks and floppies. Thanks Warner and S=F8ren! > > 2. USB still works and recovers after a resume! > > 3. Sound is again playing too fast after resume. ICH audio is reverting > to its native speed. With the PCI power stuff in there, it worked just > fine. (It was nice while it lasted.) I suspect this will return when > Warner gets a few rough edges off of the PCI code. > > 4. After a resume, the shared PCI interrupt stops being delivered after > a LONG time interval. I've had it fail in 10 minutes, but it is more > likely to die after about an hour. It always dies in under 2 hours. > > vmstat -i looks completely normal except that the count for irq 11 never > increases. All other interrupts and devices are fine. Is this a locking > problem? Should I put WITNESS back in my kernel? I can't find any sign > of any significant resource being exhausted. If you ignore the fact that > all devices on irq 11 are dead, the system continues to run just fine. X > is alive and the box seems completely normal. (Of course, USB, the > network cards, and sound are completely gone.) System has neither SMP > or APIC in the kernel. > > I'd love to track this down. I have no idea how common it is, > either. Since most people running CURRENT are not using suspend on their > laptops because of various problems except to test things, this might > not have shown up for most people. (Or, it might be unique to the IBM > T30.) > > Thanks, We probably just need to reprogram the PCI link devices on resume. Are you= =20 using ACPI? The non-ACPI case I know doesn't do this yet. =2D-=20 John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" =3D http://www.FreeBSD.org
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