Date: Mon, 30 Jun 1997 14:39:23 +0530 From: A Joseph Koshy <koshy@india.hp.com> To: freebsd-current@freebsd.org Subject: DMA beyond end of ISA Message-ID: <199706300909.CAA05166@palrel1.hp.com>
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Noticed this today while trying to access st0: sd0 seems to be working fine, but this makes me very nervous. Any clues? Jun 30 15:03:43 krill /kernel: aha0: DMA beyond end Of ISA: 0x1c14d08 Jun 30 15:03:43 krill /kernel: st0: bad request, must be between 0 and 0 Jun 30 15:04:58 krill /kernel: aha0: DMA beyond end Of ISA: 0x10d0d08 Jun 30 15:04:58 krill /kernel: st0: oops not queued Jun 30 15:05:13 krill /kernel: aha0: DMA beyond end Of ISA: 0x1048d08 Jun 30 15:05:14 krill /kernel: st0: oops not queued >From the kernel config file: ... controller aha0 at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr controller scbus0 device sd0 device st0 ... options BOUNCE_BUFFERS #include support for DMA bounce buffers -current built on Friday 27th krill# uname -a FreeBSD krill.india.hp.com 3.0-CURRENT FreeBSD 3.0-CURRENT #0: Fri Jun 27 20:00: 06 IST 1997 root@krill.india.hp.com:/usr/src/sys/compile/KRILL i386
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