>>>>> "Van" == Van Maren, Kevin <kevin.vanmaren@unisys.com> writes: Van> I'm running Caldera's 6/20/01 snapshot (modified 2.4.4 kernel) on Van> a 4X, 8GB Lion. Van> Under even "light" I/O load (mkfs to 2-4 disks) I get horiffic Van> behavior -- basically what is described on this thread: Van> http://www.cs.helsinki.fi/linux/linux-kernel/2001-20/0763.html Van> [I/O drops down to < 300 I/Os per second (vmstat), but all the Van> CPUs are pegged 99%+ system time.] Van> That is after I first used "swiotlb=10240" at elilo to avoid the Van> panic, and then hacked the qlogicfc driver (patch at bottom) and Van> applied the latest Adaptec driver patch (6.2.0) from freebsd.org Van> to get 39-bit DMA. Problem occurs with 39160 & QL2200. I'd stay away from the qlogicfc.c driver, it's got all sorts of limitations. JesReceived on Mon Jul 30 15:12:20 2001
This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:04 EST