Date: Tue, 26 Oct 1999 23:41:29 GMT From: "Julian Stacey" <jhs@jhs.muc.de> To: freebsd-isdn@freebsd.org Subject: options TEL_S0_8 - changing root device to da0a - panic Message-ID: <199910262341.XAA16746@jhs.muc.de>
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On hardware that previously ran fine with a 16 bit creatix card +
FreeBSD 3.2-RELEASE + TEL_S0_16 + isdnd 00.70.0,
I now see panics on boot with
FreeBSD 3.3-RELEASE + TEL_S0_8 + isdnd 00.70.0
like this
Considering FFS root f/s.
changing root device to da0s1a
changing root device to da0a
error 6: panic: cannot mount root (2)
sc0: sc_switch_scr() 1
Whether the 8 bit card is in the box or not makes no difference!
(the 16 bit card went to a faster box, the old box with 8bit is reserve box)
To isolate fault, I've also removed
mult-io (sio + flop + ide + lpt)
mitsumi-cd controller
all that is left in is the unchanged ed0 ether, 1542 aha0 scsi, & svga.
It boots properly if configured with TEL_S0_16 !
Considering FFS root f/s.
changing root device to da0s1a
[ da0s1: type 0xa5, start 0, end = 832526, size 832527 : OK]
(yes, note the absence of 2nd line "changing root device to da0a" ? )
I may have some bad combo of rootdev/curdev in /boot/* & config file
("config kernel root on wd0" or da0 etc), but that's not the real point,
something in config'ing with TEL_S0_8 rather than TEL_S0_16 triggers the
panic on boot !
First I'm going to try & repeat this on another just built machine,
(TEL_S0_8 with & without card in) & see if that panics too,
Maybe later on more modern i4b & also try to boot kernel from gdb (gulp!).
I tweaked my config a lot till I figured what was triggering the panic,
including using some silly configs, but I'm sure it is the TEL_S0_8
that's tickling it. FYI here's my config
----
options INCLUDE_CONFIG_FILE
machine "i386"
cpu "I486_CPU"
ident JHS_Phil
maxusers 32
options INET
options FFS
options FFS_ROOT
options MFS
options MFS_ROOT
options NFS
options NFS_ROOT
options MSDOSFS
options "CD9660"
options "CD9660_ROOT"
options PROCFS
options "COMPAT_43"
options SCSI_DELAY=15000
options UCONSOLE
options FAILSAFE
options USERCONFIG
options VISUAL_USERCONFIG
options KTRACE
options SYSVSHM
options SYSVMSG
options SYSVSEM
options "TCP_COMPAT_42"
options IPFIREWALL
options IPFIREWALL_VERBOSE
config kernel root on da0
controller isa0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2
disk fd0 at fdc0 drive 0
controller aha0 at isa? port ? cam irq ?
controller scbus0
device da0
device sa0
device cd0
device pass0
device mcd0 at isa? port 0x300 bio irq 10
controller atkbdc0 at isa? port IO_KBD tty
device atkbd0 at isa? tty irq 1
device vga0 at isa? port ? conflicts
device sc0 at isa? tty
device npx0 at isa? port IO_NPX irq 13
device sio0 at isa? port "IO_COM1" flags 0x10 tty irq 4
device sio1 at isa? port "IO_COM2" tty irq 3
device ppc0 at isa? port? flags 0x40 net irq 7
controller ppbus0
device lpt0 at ppbus?
device plip0 at ppbus?
device ppi0 at ppbus?
device ed0 at isa? port 0x280 net irq 12 iomem 0xc8000 iosiz 16384
pseudo-device loop
pseudo-device ether
pseudo-device sl 1
pseudo-device ppp 1
pseudo-device vn
pseudo-device tun 1
pseudo-device pty 32
pseudo-device gzip
pseudo-device bpfilter 4
# Boots OK:
# options "TEL_S0_16"
# with any one of:
# device isic0 at isa? port 0xF80 iomem 0xd6000 net irq 12 flags 2
# device isic0 at isa? port 0xF80 iomem 0xd6000 net irq 12 flags 1
# device isic0 at isa? iomem 0xd6000 net irq 12 flags 1
# device isic0 at isa? iomem 0xd6000 net irq 5 flags 1
# Panics:
# options "TEL_S0_8"
# plus:
# device isic0 at isa? iomem 0xd6000 net irq 5 flags 1
# (with or without vector isicintr)(note discrepancy between man
# isic with vector, & LINT without)
pseudo-device "i4bq921"
pseudo-device "i4bq931"
pseudo-device "i4b"
pseudo-device "i4btrc" 4
pseudo-device "i4bctl"
pseudo-device "i4brbch" 4
pseudo-device "i4btel" 2
pseudo-device "i4bipr" 6
options IPR_VJ
pseudo-device "i4bisppp" 4
pseudo-device sppp 2
----
Julian H. Stacey www.jhs.muc.de www.freebsd.org/~jhs/ bim.bsn.com/~jhs/
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