Re: 6.0-CURRENT SNAP004 hangs on amr

On Thursday 07 July 2005 04:02 pm, Mike Tancsa wrote:
> At 07:57 AM 07/07/2005, John Baldwin wrote:
> >Both of these panics are with ACPI disabled and happen in the BIOS.  This
> > one also has the kernel selectors.  In this case, the BIOS is probably
> > expecting a %cs selector with a base of 0xf000.  Having a trace might be
> > very, very helpful here.
>
> I was just trying this morning to netboot the box with the ata drivers
> disabled in the kernel (I cant disable them in the BIOS) and the amr card
> removed, and it at least gets to the point where I need to mount / via
> nfs.  However, trying to type in the serial console is as if the cable were
> bad. Half the chars dont show up and 1/3rd are wrong.
>
> Anyways, here is the trace. Let me know if there is other info
>
>
> OK set hint.apic.0.disabled=1
> OK boot
> KDB: debugger backends: ddb
> KDB: current backend: ddb
> Copyright (c) 1992-2005 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 5.4-STABLE #1: Thu Jul  7 18:55:23 EDT 2005
>      mdtancsa_at_hippo.sentex.ca:/usr/obj/usr/src/sys/hippo
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Pentium III/Pentium III Xeon/Celeron (500.02-MHz 686-class CPU)
>    Origin = "GenuineIntel"  Id = 0x672  Stepping = 2
>   
> Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA
>,CMOV,PAT,PSE36,MMX,FXSR,SSE> real memory  = 2147475456 (2047 MB)
> avail memory = 2096033792 (1998 MB)
> npx0: <math processor> on motherboard
> npx0: INT 16 interface
> cpu0 on motherboard
> pcib0: <Intel 82454NX PXB#0, Bus#A> pcibus 0 on motherboard
> pir0: <PCI Interrupt Routing Table: 11 Entries> on motherboard
> pci0: <PCI bus> on pcib0
> isab0: <PCI-ISA bridge> at device 2.0 on pci0
> isa0: <ISA bus> on isab0
> pci0: <mass storage, ATA> at device 2.1 (no driver attached)
> pci0: <serial bus, USB> at device 2.2 (no driver attached)
> piix0: <PIIX Timecounter> port 0x850-0x85f at device 2.3 on pci0
> Timecounter "PIIX" frequency 3579545 Hz quality 0
> pci0: <display, VGA> at device 4.0 (no driver attached)
> pcib1: <Intel 82454NX PXB#0, Bus#B> pcibus 1 on motherboard
> pci1: <PCI bus> on pcib1
> pcib2: <Intel 82454NX PXB#1, Bus#A> pcibus 2 on motherboard
> pci2: <PCI bus> on pcib2
> em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port
> 0xecc0-0xecff mem 0xfeb00000-0xfeb1ffff,0xfeb20000-0xfeb3ffff ir2
> em0: Ethernet address: 00:0e:0c:5d:f8:ca
> em0:  Speed:N/A  Duplex:N/A
> pcib3: <PCI-PCI bridge> at device 7.0 on pci2
> pci3: <PCI bus> on pcib3
> kernel trap 12 with interrupts disabled
>
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0xba9f
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc00fd141
> stack pointer           = 0x10:0xc0c2094c
> frame pointer           = 0x10:0xc0c209b8
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                          = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = resume, IOPL = 0
> current process         = 0 (swapper)
> [thread pid 0 tid 0 ]
> Stopped at      0xc00fd141:     cmpb    %cs:0xba9f,%bh
> db> trace
> Tracing pid 0 tid 0 td 0xc07d1c60
> kernbase(e0b,c07029d1,c00fc860,c00fc86b,c0c209f8) at 0xc00fd141

Crud, it's off in the weeds. :(  Can you do a boot -v and get the lines after 
'pcib3:'?

-- 
John Baldwin <jhb_at_FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org