On Wed, Apr 12, 2006 at 11:28:43PM +0200, Christian Brueffer wrote: > On Thu, Mar 30, 2006 at 04:25:45AM +0000, Warner Losh wrote: > > imp 2006-03-30 04:25:45 UTC > > > > FreeBSD src repository > > > > Modified files: > > sys/dev/pccbb pccbb.c > > Log: > > On some laptops, under very high loads, the socket event register read > > in the ISR doesn't read the actual socket event register, but instead > > reads garbage (usually 0xffffffff, but other times other things). > > This totally violates the PCI spec, but happens rarely enough that a > > workaround is in order. This adds one test when we have a real > > interrupt to service (which is very rare), and doesn't affect the > > usualy 'nothing to see here' case at all. > > > > Problem reported by many, but sam@ gave me this workaround after > > diagnosing the problem. > > > > This breaks pccard/cardbus support on my Thinkpad T41p (confirmed by > backing this change out). With this change, I just get an "Interrupt > storm detected on irq 5; throttling" message. >
To clarify this, I get the interrupt storm message when I plug any of my pccard/cardbus cards in. - Christian -- Christian Brueffer [EMAIL PROTECTED] [EMAIL PROTECTED] GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D
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