On Wed, Nov 16, 2005 at 11:45:51PM -0500, Stephen Takacs wrote:
> I've got a new Acer Aspire 3003WLCi laptop that works fairly well
> (minus the obvious winmodem and Broadcom wifi) except that it won't
> boot with the pciide DMA enabled. I can get it to boot by forcing
> PIO mode only, but even then it won't recognize the DVD/CD-RW drive
> (a Slimtype COMBO SOSC-2483K) on the second channel. Just to be
> sure, I checked with an old Knoppix CD, and it works correctly there.
>
> This is what I get when trying to boot normally (default flags):
> wd0(pciide0:0:0): timeout
> type: ata
> c_bcount: 512
> c_skip: 0
> pciide0:0:0: bus_master DMA error: missing interrupt, status=0x21
> ..and it freezes up right there!
>
> Below is the dmesg of a successful boot in PIO-4 (but without the CD
> drive!) The machine is currently running 3.7-release. I glanced at
> the changelog for 3.8, but didn't notice anything relevant. Any
> ideas on what else I could try?
>
> OpenBSD 3.7 (GENERIC) #50: Sun Mar 20 00:01:57 MST 2005
> [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC
> cpu0: Mobile AMD Sempron(tm) Processor 3000+ ("AuthenticAMD" 686-class) 1.80
> GHz
> cpu0:
> FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,PNI
> real mem = 501784576 (490024K)
> avail mem = 450854912 (440288K)
> using 4278 buffers containing 25190400 bytes (24600K) of memory
> User Kernel Config
> UKC> change wd
> 37 wd* at wdc0|wdc1|wdc*|wdc*|pciide* channel -1 flags 0x0
> change (y/n) ?
> channel [-1] ?
> flags [0] ? 0xffc
> 37 wd* changed
> 37 wd* at wdc0|wdc1|wdc*|wdc*|pciide* channel -1 flags 0xffc
> UKC> quit
> Continuing...
> mainbus0 (root)
> bios0 at mainbus0: AT/286+(39) BIOS, date 08/24/05, BIOS32 rev. 0 @ 0xfd5f0
> pcibios0 at bios0: rev 2.1 @ 0xfd5f0/0xa10
> pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfdd30/160 (8 entries)
> pcibios0: PCI Interrupt Router at 000:02:0 ("SIS 85C503 System" rev 0x00)
> pcibios0: PCI bus #2 is the last bus
> bios0: ROM list: 0xc0000/0xc000 0xcc000/0xa000 0xdc000/0x8000!
> cpu0 at mainbus0
> pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
> pchb0 at pci0 dev 0 function 0 "SIS 760 PCI" rev 0x03
Support for the SiS 760 went in after 3.7 try something
newer.
