From mboxrd@z Thu Jan 1 00:00:00 1970 From: erik quanstrom Date: Mon, 19 Jul 2010 17:55:29 -0400 To: 9fans@9fans.net Message-ID: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] apic fail Topicbox-Message-UUID: 40ce243e-ead6-11e9-9d60-3106f5b1d025 On Mon Jul 19 17:26:13 EDT 2010, forsyth@terzarima.net wrote: > >Is one interrupt being dispatched to two cpus, I wonder? > > even so, that should be fine, but ether8169.c doesn't seem to make much use of the rlock it declares. really? i thought a bedrock assumption of pci interrupts is that once an interrupt vector is asserted, it can't reassert until the os has acked that vector with EOI. it may be that the same interrupt source is mapped to different vectors on the different processors. that would be an interesting world to live in. - erik