On Tue, Mar 22, 2016 at 07:22:28PM -0400, Thor Lancelot Simon wrote: > On Tue, Mar 22, 2016 at 01:28:06PM -0400, Greg Troxel wrote: > > > > I wonder if this is a netbsd-7 vs netbsd-6 thing. Or only triggered by > > some interrupt mappings. > > I'm wondering a few things: > > Which version of Xen are the rest of you using? I'm on 4.5. > > Are the ATA drivers you're using still giant-locked, or are they now > MPSAFE (I'm digging, but I'm at the end of a long thin network pipe > today with only very old source trees on hand)? Both the ciss and arcmsr > where I've seen this problem are SCSI, and the SCSI subsystem takes > KERNEL_LOCK.
(S)ATA is not MPSAFE -- Manuel Bouyer <[email protected]> NetBSD: 26 ans d'experience feront toujours la difference --
