A couple of more direct questions: Have anyone successfully booted a kernel without any console output? What related kernel options can I play with? If not, where in the kernel source should I start digging?
Thanks, Rickard. Rickard Dahlstrand wrote: >Hi, > >I'm trying to connect a modem to the serial port on my PC Engines >Wrap1E-board and I can't seem to boot a kernel without having anything >sent to the com-port. > >This device doesn't have a screen controller so it uses the serial port >for bios and boot messages. It seems like the bios are redirecting pc0 >to com0 up until the kernel booting. There is a boot-option to disable >this, but since there is no way for me to get a kernel to boot on pc0 it >makes no difference. > >If I boots the a kernel without the PCCOMCONSOLE-option I can boot the >kernel providing I set the tty to com0 in either the boot loader or >/etc/boot.conf. But if I set the tty to pc0 and tries to boot it freezes >just after the entry point message. > >I have even tried to set the tty to com1 in boot.conf to see if that >made any difference, but it seems to freeze up in the same way. > >I need to find a way to boot a kernel without any messages on the >serial-port. > >Thankful for any help, Rickard. > > >----------------------------------- > >Loading;..... >probing: pc0 com0 pci mem[640K 127M a20=on] >disk: hd0 > > >>>OpenBSD/i386 BOOT 2.06 >>> >>> >boot> set tty pc0 >switching console to pc0 > > >>>OpenBSD/i386 BOOT 2.06 >>> >>> >boot> bsd >booting hd0a:bsd: 14062692+352328 [52+108048+95427]=0xdf1128 >entry point at 0x100120 >[FREEZE] > > > >Loading;..... >probing: pc0 com0 pci mem[640K 127M a20=on] >disk: hd0 > > >>>OpenBSD/i386 BOOT 2.06 >>> >>> >boot> set tty com0 >switching console to com0 > > >>>OpenBSD/i386 BOOT 2.06 >>> >>> >boot> stty com0 57600 >com0: changing speed to 57600 baud in 5 seconds, change your terminal to >match! > >com0: 57600 baud >boot> bsd >booting hd0a:bsd: 14062692+352328 [52+108048+95427]=0xdf1128 >entry point at 0x100120 > >[ using 203900 bytes of bsd ELF symbol table ] >Copyright (c) 1982, 1986, 1989, 1991, 1993 > The Regents of the University of California. All rights reserved. >Copyright (c) 1995-2005 OpenBSD. All rights reserved. >http://www.OpenBSD.org > >OpenBSD 3.7 (TILDECOS020) #0: Thu May 19 14:34:58 CEST 2005 > [EMAIL PROTECTED]:/root/cvsflashboot/obj/TILDECOS020 >RTC BIOS diagnostic error 80<clock_battery> >cpu0: Geode(TM) Integrated Processor by National Semi ("Geode by NSC" >586-class) > 267 MHz >cpu0: FPU,TSC,MSR,CX8,CMOV,MMX >cpu0: TSC disabled >real mem = 133804032 (130668K) >avail mem = 112906240 (110260K) >using 331 buffers containing 1355776 bytes (1324K) of memory >RTC BIOS diagnostic error 80<clock_battery> >mainbus0 (root) >bios0 at mainbus0: AT/286+(fa) BIOS, date 05/02/05, BIOS32 rev. 0 @ 0xfc5f2 >pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000 >pcibios0: pcibios_get_intr_routing - function not supported >pcibios0: PCI IRQ Routing information unavailable. >pcibios0: PCI bus #0 is the last bus >bios0: ROM list: 0xe0000/0x8000 >cpu0 at mainbus0 >pci0 at mainbus0 bus 0: configuration mode 1 (bios) >pchb0 at pci0 dev 0 function 0 "Cyrix GXm PCI" rev 0x00 >sis0 at pci0 dev 14 function 0 "NS DP83815 10/100" rev 0x00: DP83816A, >irq 10, a >ddress 00:0d:b9:01:94:e8 >nsphyter0 at sis0 phy 0: DP83815 10/100 PHY, rev. 1 >sis1 at pci0 dev 15 function 0 "NS DP83815 10/100" rev 0x00: DP83816A, >irq 9, ad >dress 00:0d:b9:01:94:e9 >nsphyter1 at sis1 phy 0: DP83815 10/100 PHY, rev. 1 >sis2 at pci0 dev 16 function 0 "NS DP83815 10/100" rev 0x00: DP83816A, >irq 11, a >ddress 00:0d:b9:01:94:ea >nsphyter2 at sis2 phy 0: DP83815 10/100 PHY, rev. 1 >gscpcib0 at pci0 dev 18 function 0 "NS SC1100 ISA" rev 0x00 >gpio0 at gscpcib0: 64 pins >"NS SC1100 SMI/ACPI" rev 0x00 at pci0 dev 18 function 1 not configured >"NS SCx200 IDE" rev 0x01 at pci0 dev 18 function 2 not configured >"NS SCx200 AUDIO" rev 0x00 at pci0 dev 18 function 3 not configured >geodesc0 at pci0 dev 18 function 5 "NS SC1100 X-Bus" rev 0x00: iid 6 >revision 3 >wdstatus 0 >isa0 at gscpcib0 >isadma0 at isa0 >wdc0 at isa0 port 0x1f0/8 irq 14 >wd0 at wdc0 channel 0 drive 0: <STI Flash 7.2.0> >wd0: 1-sector PIO, LBA, 122MB, 250880 sectors >wd0(wdc0:0:0): using BIOS timings >gscsio0 at isa0 port 0x2e/2: SC1100 SIO rev 1: ACB1 ACB2 >iic0 at gscsio0 >iic1 at gscsio0 >lmtemp0 at iic1 addr 0x48: LM77 >npx0 at isa0 port 0xf0/16: using exception 16 >pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo >pccom0: console >biomask f1ef netmask ffef ttymask ffef >rd0: fixed, 22528 blocks >dkcsum: wd0 matched BIOS disk 80 >root on rd0a >rootdev=0x1100 rrootdev=0x2f00 rawdev=0x2f02 >clock: unknown CMOS layout
