Date: Thu, 15 Feb 2001 10:31:35 +0100 From: Jesper Skriver <jesper@skriver.dk> To: Matthew Reimer <mreimer@vpop.net> Cc: stable@freebsd.org Subject: Re: Reproducible kernel panic during boot; probably SCSI-related Message-ID: <20010215103135.B83682@skriver.dk> In-Reply-To: <3A8B4784.3C273AB7@vpop.net>; from mreimer@vpop.net on Wed, Feb 14, 2001 at 07:05:40PM -0800 References: <3A8B4784.3C273AB7@vpop.net>
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On Wed, Feb 14, 2001 at 07:05:40PM -0800, Matthew Reimer wrote:
> We've had a reproducible problem today with 4.2-STABLE from between
> 2001/02/13 1500 PST to 2001/02/14 1500 PST, where the kernel would print
> the message "Waiting 2 seconds for SCSI devices to settle" and then
> panic (details below). This would happen every time. I rebuilt the
> kernel several times to make sure there were no stale dependencies but
> every time it panicked the same way. Eventually I cvsup'd /sys sources
> from 2001/02/10 and the problem went away. I presume the problem is
> still in -stable.
>
> I wasn't able to get a dump because *dumpdev = 0xffffffff. (Does anyone
> know how to get dumpdev set properly this early in the boot process? In
> -current one could use "show /disk/da0s1b" but we don't have that in
> -stable.)
>
> This is running on an L440GX mobo with one extra 2940 controller, for a
> total of three.
<AOL>Me too</AOL>
dmesg from a working kernel here.
Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.1.1-STABLE #0: Sun Oct 29 16:25:03 CET 2000
root@patient.tde.tdb.dk:/usr/obj/usr/src/sys/PATIENT
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium II/Pentium II Xeon/Celeron (451.02-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x652 Stepping = 2
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 134152192 (131008K bytes)
avail memory = 127729664 (124736K bytes)
Preloaded elf kernel "kernel.ok" at 0xc02e1000.
Pentium Pro MTRR support enabled
md0: Malloc disk
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <Matrox MGA G200 AGP graphics accelerator> at 0.0 irq 15
isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
pci0: <Intel PIIX4 ATA controller> at 7.1
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 7.2
chip1: <Intel 82371AB Power management controller> port 0x5000-0x500f at device 7.3 on pci0
xl0: <3Com 3c905B-TX Fast Etherlink XL> port 0xe400-0xe47f mem 0xeb001000-0xeb00107f irq 11 at device 18.0 on pci0
xl0: Ethernet address: 00:10:4b:c7:2d:c8
miibus0: <MII bus> on xl0
xlphy0: <3Com internal media interface> on miibus0
xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ahc0: <Adaptec aic7895 Ultra SCSI adapter> port 0xe800-0xe8ff mem 0xeb000000-0xeb000fff irq 10 at device 20.0 on pci0
aic7895C: Wide Channel A, SCSI Id=7, 255 SCBs
ahc1: <Adaptec aic7895 Ultra SCSI adapter> port 0xec00-0xecff mem 0xeb002000-0xeb002fff irq 15 at device 20.1 on pci0
aic7895C: Wide Channel B, SCSI Id=7, 255 SCBs
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
IP packet filtering initialized, divert enabled, rule-based forwarding enabled, default to accept, logging limited to 100 packets/entry by default
Waiting 2 seconds for SCSI devices to settle
Mounting root from ufs:/dev/da0s1a
da1 at ahc1 bus 0 target 1 lun 0
da1: <IBM DDRS-34560D DC1B> Fixed Direct Access SCSI-2 device
da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled
da1: 4357MB (8925000 512 byte sectors: 255H 63S/T 555C)
da0 at ahc1 bus 0 target 0 lun 0
da0: <IBM DDRS-34560D DC1B> Fixed Direct Access SCSI-2 device
da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled
da0: 4357MB (8925000 512 byte sectors: 255H 63S/T 555C)
cd0 at ahc0 bus 0 target 2 lun 0
cd0: <TEAC CD-ROM CD-532S 1.0A> Removable CD-ROM SCSI-2 device
cd0: 20.000MB/s transfers (20.000MHz, offset 15)
cd0: Attempt to query device size failed: NOT READY, Medium not present
cd1 at ahc0 bus 0 target 6 lun 0
cd1: <SONY CD-R CDU920S 2.0b> Removable Worm SCSI-2 device
cd1: 4.032MB/s transfers (4.032MHz, offset 15)
cd1: Attempt to query device size failed: NOT READY, Medium not present
/Jesper
--
Jesper Skriver, jesper(at)skriver(dot)dk - CCIE #5456
Work: Network manager @ AS3292 (Tele Danmark DataNetworks)
Private: Geek @ AS2109 (A much smaller network ;-)
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