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Date: Fri, 3 Apr 1998 08:13:26 -0800 (PST)
From: pauls@etext.org
To: freebsd-gnats-submit@FreeBSD.ORG
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Subject: kern/6201: 2.2.6 kernel can't find sio[12] on Iwill motherboard
Sender: owner-freebsd-bugs@FreeBSD.ORG
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>Number:         6201
>Category:       kern
>Synopsis:       2.2.6 kernel can't find sio[12] on Iwill motherboard
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Apr  3 08:20:01 PST 1998
>Last-Modified:
>Originator:     Paul Southworth
>Organization:
>Release:        2.2.6
>Environment:
FreeBSD  2.2.6-RELEASE FreeBSD 2.2.6-RELEASE #0: Fri Apr  3 10:56:14 EST 1998     root@:/usr/src/sys/compile/JIZMAK  i386
(GENERIC + flags 0x80 to sio[12])
>Description:
Oops, can't find my serial ports.  PnP is disabled.  Ports are
statically assigned to 0x3f8/irq4 and 0x2e8/irq3, according to law.
Slipped it a RedHat-5.0 boot disk while nobody was looking, and it
found serial ports as expected.  Added 'flags 0x80' and rebuilt
kernel.  No joy.  Here's the poop:

 FreeBSD 2.2.6-RELEASE #0: Fri Apr  3 10:56:14 EST 1998
    root@:/usr/src/sys/compile/JIZMAK
Calibrating clock(s) ... i586 clock: 233914028 Hz, i8254 clock: 1193440 Hz
CLK_USE_I8254_CALIBRATION not specified - using default frequency
CLK_USE_I586_CALIBRATION not specified - using old calibration method
CPU: Pentium (233.86-MHz 586-class CPU)
  Origin = "GenuineIntel"  Id = 0x543  Stepping=3
  Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
real memory  = 134217728 (131072K bytes)
Physical memory chunk(s):
0x00001000 - 0x0009ffff, 651264 bytes (159 pages)
0x00269000 - 0x07ffdfff, 131682304 bytes (32149 pages)
avail memory = 128962560 (125940K bytes)
pcibus_setup(1):        mode 1 addr port (0x0cf8) is 0x80000058
pcibus_setup(1a):       mode1res=0x80000000 (0x80000000)
pcibus_check:   device 0 is there (id=71008086)
Probing for devices on PCI bus 0:
        configuration mode 1 allows 32 devices.
chip0 <Intel 82439TX PCI cache memory controller> rev 1 on pci0:0:0
chip1 <Intel 82371AB PCI-ISA bridge> rev 1 on pci0:7:0
chip2 <Intel 82371AB IDE interface> rev 1 on pci0:7:1
        mapreg[20] type=1 addr=0000f000 size=0010.
chip3 <Intel 82371AB USB interface> rev 1 int d irq ?? on pci0:7:2
        mapreg[20] type=1 addr=00006400 size=0020.
chip4 <Intel 82371AB Power management controller> rev 1 on pci0:7:3
vga0 <VGA-compatible display device> rev 211 int a irq 11 on pci0:8:0
        mapreg[10] type=0 addr=e0000000 size=400000.
        mapreg[14] type=0 addr=e0400000 size=10000.
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 1 int a irq 9 on pci0:9:0
        mapreg[10] type=1 addr=00006800 size=0100.
        mapreg[14] type=0 addr=e0410000 size=1000.
        reg16: ioaddr=0x6800 size=0x100

[...]

sio0: probe test 5 failed
sio0: probe test 8 failed
sio0 not found at 0x3f8
sio1: probe test 5 failed
sio1: probe test 8 failed
sio1 not found at 0x2f8

Various BIOS fiddling didn't change this problem.

Problem is 'serious' because this system requires a serial console.
>How-To-Repeat:
Boot FreeBSD 2.2.6 with this motherboard (Iwill P55XB2).
>Fix:

>Audit-Trail:
>Unformatted:

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