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    Subject2.0.0/2.0.25 oopses with buslogic 956C and two 4G seagates ...
    Date

    Here is the oops from my buslogic scsi machine.


    "A month of sundays ago Leonard N. Zubkoff wrote:"
    >
    > From: "Peter T. Breuer" <ptb@oboe.it.uc3m.es>
    > Date: Sat, 16 Nov 1996 00:18:35 +0000 (WET)
    > I am having problems getting a kernel to boot a machine with a buslogic
    > BT-956C scsi controller and two seagate 4G drives (ST15230W). A FreeBSD kernel
    > boots it fine, and I would like to change this server over to Linux
    > pronto. Please help me get rid of FreeBSD.

    > The buslogic controller is on io=0x330 and IRQ 11, it has scsi ID 7. The bios
    > (buslogic?) has it set to level triggering. I have 64M of memory. It makes no
    > difference if I use mem=32M or something like that. Oh yes. There is also a

    > Nothing immediately comes to mind as broken about your configuration. Assuming
    > you have compiled PCI support into the kernel, the BT-956C should not be
    > reported as using I/O port 0x330. If it were using I/O port 0x330, it might be

    Why not? Isn't it supposed to be? That is what the bios setup says!

    > conflicting with the SounsBlaster, however. I'd like to see the startup

    I was wrong. There is no soundblaster. Apparently it is planned for the
    machine but is not yet in the box (I had just to bend down and take a look).

    > messages from the BusLogic driver. Precisely where does this oops occur?
    >
    > Leonard

    I am now using the 2.0.23 buslogic.bin slackware boot disk downloaded
    from your home page (nice work!). Same result, but more error messages.
    I'll type out what I can now see on the machine next to me ...

    ... 39.73 BogoMips (this is a 120MHz? Intel Pentium)
    hda: FX001DE, ATAPI CDROM drive (configured as master)
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Floppy Drive(s) fd0 is 1.44M
    Started kswapd v 1.4.2.2
    FDC 0 is a post-1991 82077
    scsi0: Configuring Buslogic Model BT956C PCI Wide SCSI Host Adapter
    Firmware Version: 4.28A, I/O Address: 0x6000, IRQ Channel: 11/Level
    PCI Bus: 0, Device: 13, Address: Unassigned, Host Adapter SCSI ID: 7
    Parity Checking: Enabled, Extended Translation: Disabled
    Synchronous Negotiation: Fast, Wide Negotiation: Enabled
    Scatter/Gather Limit: 128 of 8192 segments, Mailboxes: 255
    Driver Queue Depth: 255, Host Adapter Queue Depth: 100
    Tagged Queue Depth: Automatic, Untagged Queue Depth: 3
    Error Recovery Strategy: Default, SCSI Bus Reset: Enabled
    SCSI Bus termination: Both Enabled
    scsi0: CCB #0 to Target 0 Impossible State
    general protection: 0000
    CPU: 0
    EIP: 0010:[<001ba02d>]
    EFLAGS: 00010006
    eax: f000ff53 ebx: 00000000 ecx: 00000000 edx: f000ff53
    esi: 00006000 edi: 0000000b ebp: 00000000 esp: 00081c20
    ds: 0018 es: 0018 fs: 002b gs: 0018 ss: 0018
    Process swapper (pid: 1, process nr: 1, stackpage=00081000)
    Stack: 00000000 00006000 00000000 0001a068 0000000b 00000000 00000000 001ba10b
    003050d8 24000000 00000084 ffffff00 00000046 0010cf95 0000000b 00000000
    00000000 0012f1e8 00016002 00006000 0010c95f 0000000b 0001a030 00016002
    Call Trace: [<001ba10b>] [<0010cf95>] [<0012f1e8>] [<0010c95f>] [<001b61b3>]
    [<0010d140>] [<001b8d28>]
    [<001b987d>] [<001c0e1c>] [<001af524>] [<0018d82d>] [<00130ba0>]
    [<0010ac06>] [<0012078>] [<0010986e>]
    [<001094b8>] [<001094bf>] [<001097e8>]
    Code: ff d0 83 c4 08 e9 58 fd ff ff 90 c6 05 30 bc 1e 00 00 5b 5e
    Aiee, killing interrupt handler

    This should be interpreted via your buslogic.bin System.map ... it does not
    seem to be on the diskette. Hang on - I will search your web pages again.
    Nope it's not there. Sorry - I can't do any better than this. I hope you can
    match the assembler some other way.

    I would guess that the fault is when init can't be started because there is no
    disk! Can't we die gracefully? I am on a ramdisk. The stack seems to be
    repeating. Maybe something called itself recursively and went out of the
    stack "segment"? Would that be a gpf?

    To rub salt in the wound, here is the FreeBSD dmesg for this machine (again).
    Can anyone give me a clue?


    ==========================================================================
    q 5
    ep1 at 0x300-0x30f irq 12 on isa
    ep1: utp[*UTP*] address 00:a0:24:88:d5:59 irq 12
    npx0 on motherboard
    npx0: INT 16 interface
    pcibus_setup(1): mode1res=0x80000000 (0x80000000), mode2res=0xff (0x0e)
    pcibus_setup(2): mode1res=0x80000000 (0x80000000)
    pcibus_check: device 0 is there (id=08911060)
    Probing for devi\M^?\^Che PCI bus:
    configuration mode 1 allows 32 devices.
    pci0:0: UMC, device=0x0891, class=bridge (host) [no driver assigned]
    vga0 <VGA-compatible display device> rev 0 int a irq 10 on pci0:12
    mapreg[10] type=0 addr=f0000000 size=800000.
    pci0:13: Bus Logic, device=0x1040, class=storage (scsi) [no driver assigned]
    map(10): io(6000)
    pci0:18: UMC, device=0x886a, class=bridge (isa) [no driver assigned]
    pci0: uses 8388608 bytes of memory from f0000000 upto f07fffff.
    changing root device to sd1a
    BIOS Geometries:
    0:0209fe3f 0..521=522 cylinders, 0..254=255 heads, 1..63=63 sectors
    1:03ff3f20 0..1023=1024 cylinders, 0..63=64 heads, 1..32=32 sectors
    0 accounted for
    sd1s1: type 0xa5, start 32, end = 8386559, size 8386528 : OK
    sd0s1: type 0xa5, start 63, end = 8385929, size 8385867 : OK
    sd0s1: type 0xa5, start 63, end = 8385929, size 8385867 : OK

    syncing disks... done
    Rebooting...
    FreeBSD 2.1.0-RELEASE #0: Fri Sep 27 12:17:38 MET DST 1996
    root@bsd1.it.uc3m.es:/usr/src/sys/compile/itserv
    CPU: 100-MHz Pentium 815\\100 (Pentium-class CPU)
    Origin = "GenuineIntel" Id = 0x525 Stepping=5
    Features=0x1bf<FPU,VME,PSE,MCE,CX8,APIC>
    real memory = 67108864 (65536K bytes)
    avail memory = 62996480 (61520K bytes)
    Probing for devices on the ISA bus:
    sc0 at 0x60-0x6f irq 1 on motherboard
    sc0: VGA color <16 virtual consoles, flags=0x0>
    sio0 at 0x3f8-0x3ff irq 4 on isa
    sio0: type 16550A
    sio1 at 0x2f8-0x2ff irq 3 on isa
    sio1: type 16550A
    lpt0 at 0x378-0x37f irq 7 on isa
    lpt0: Interrupt-driven port
    lp0: TCP/IP capable interface
    fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
    fdc0: NEC 72065B
    fd0: 1.44MB 3.5in
    bt0: Bt956C/ 0-PCI/EISA/VLB(32bit) bus
    bt0: reading board settings, busmastering, int=11
    bt0: version 4.28A, async only, parity, 32 mbxs, 32 ccbs
    bt0: targ 0 async
    bt0: targ 1 async
    bt0: Using Strict Round robin scheme
    bt0 at 0x330 irq 11 on isa
    bt0 waiting for scsi devices to settle
    (bt0:0:0): "SEAGATE ST15230W 0638" type 0 fixed SCSI 2
    sd0(bt0:0:0): Direct-Access 4095MB (8386733 512 byte sectors)
    sd0(bt0:0:0): with 3992 cyls, 19 heads, and an average 110 sectors/track
    (bt0:1:0): "SEAGATE ST15230W 0638" type 0 fixed SCSI 2
    sd1(bt0:1:0): Direct-Access 4095MB (8386733 512 byte sectors)
    sd1(bt0:1:0): with 3992 cyls, 19 heads, and an average 110 sectors/track
    wdc0 at 0x1f0-0x1f7 irq 14 on isa
    wdc0: unit 0 (atapi): <FX001DE/0G 7>, removable, intr, iordis
    wcd0: 689Kb/sec, 128Kb cache, audio play, 255 volume levels, ejectable tray
    wcd0: no disc inside, unlocked
    2 3C5x9 board(s) on ISA found at 0x200 0x300
    ep0 at 0x200-0x20f irq 5 on isa
    ep0: utp[*UTP*] address 00:a0:24:6c:80:06 irq 5
    ep1 at 0x300-0x30f irq 12 on isa
    ep1: utp[*UTP*] address 00:a0:24:88:d5:59 irq 12
    npx0 on motherboard
    npx0: INT 16 interface
    pcibus_setup(1): mode1res=0x80000000 (0x80000000), mode2res=0xff (0x0e)
    pcibus_setup(2): mode1res=0x80000000 (0x80000000)
    pcibus_check: device 0 is there (id=08911060)
    Probing for devices on the PCI bus:
    configuration mode 1 allows 32 devices.
    pci0:0: UMC, device=0x0891, class=bridge (host) [no driver assigned]
    vga0 <VGA-compatible display device> rev 0 int a irq 10 on pci0:12
    mapreg[10] type=0 addr=f0000000 size=800000.
    pci0:13: Bus Logic, device=0x1040, class=storage (scsi) [no driver assigned]
    map(10): io(6000)
    pci0:18: UMC, device=0x886a, class=bridge (isa) [no driver assigned]
    pci0: uses 8388608 bytes of memory from f0000000 upto f07fffff.
    changing root device to sd1a
    BIOS Geometries:
    0:0209fe3f 0..521=522 cylinders, 0..254=255 heads, 1..63=63 sectors
    1:03ff3f20 0..1023=1024 cylinders, 0..63=64 heads, 1..32=32 sectors
    0 accounted for
    sd1s1: type 0xa5, start 32, end = 8386559, size 8386528 : OK
    sd0s1: type 0xa5, start 63, end = 8385929, size 8385867 : OK
    sd0s1: type 0xa5, start 63, end = 8385929, size 8385867 : OK



    Peter T. Breuer
    ,---------------------------------------------------------------------------
    |Departamento de Ingenieria de Sistemas Telematicos, Universidad Politecnica
    |de Madrid, Escuela Tecnica Superior de Ingenieros de Telecomunicacion,
    |Ciudad Universitaria, E--28040 Madrid, SPAIN.
    |Tel. Office : +34 (1)336 6831
    | Fax : +34 (1)543 2077 or 336 7333
    |Internet : <ptb@eng.cam.ac.uk, ptb@comlab.ox.ac.uk, ptb@dit.upm.es>
    | URL : http://www.dit.upm.es:80/~ptb/
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