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. What kind of debug info can I provide? - 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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