On Tue, 2006-12-12 at 10:55 -0500, Jay Estabrook wrote: > On Tue, Dec 12, 2006 at 11:26:18AM +0530, Aneesh Kumar K.V wrote: > > On Tue, 2006-12-12 at 10:23 +0900, James Andrewartha wrote: > > > Hi all, > > > > > > Some of you may be aware that SMP has been broken on Alpha for most of > > > 2.6. As of linux-image-2.6.18-3-smp, I'm pleased to report that it boots > > > and runs acceptably because scsi_mod is compiled in (bug 369517). > > > However, > > > things like ip_conntrack and ipv6 are still broken - inserting them gives > > > errors like "Could not allocate 8 bytes percpu data". This explains why > > > all the scsi drivers were broken - scsi_mod also couldn't allocate percpu > > > data and so wasn't loaded. As with scsi, you can work around this by > > > compiling them (ipv6 etc.) in to the kernel rather than as modules. > > > > > > Anyway, this points to the core of the problem as being something to do > > > with percpu data. Hopefully this narrows it down enough for someone > > > familiar with the kernel to have a go at finding and fixing the problem. > > > > May be it is running out of space for per cpu area. You can try by > > increasing the PERCPU_ENOUGH_ROOM in include/linux/percpu.h and see if > > get pass. I looked other 64 bit archs x86_64 and ia64 and they both have > > different value. May be alpha also needs a different value. > > These patches have been useful for the AlphaCore-2 2.6.15-based > kernels in getting SMP working, though we seem to also need to build > part of the SCSI subsystem into the kernel as well. >
Instead of increasing it to another constant, How about this http://marc.theaimsgroup.com/?l=linux-kernel&m=116593521703170&w=2 If you agree Can you send an ACK to akpm on this ? -aneesh -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
