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    SubjectRe: 2.6.12-rc3 won't boot from aic7899
    James Bottomley wrote:
    > On Thu, 2005-04-28 at 15:02 -0500, K.R. Foley wrote:
    >
    >>I am attaching the relevant part of the successful boot log from
    >>2.6.12-rc2. I don't have a 2.6.11 boot log handy. I can boot it when I
    >>get home if it will help. I don't know if it is worth mentioning or not,
    >>but I have had to compile in the SCSI drivers since 2.6.12-rc1. Don't
    >>know if it's related to this or not.
    >>
    >>One other note: I spent enough time tracing this to find that the
    >>message "target1:0:0: Beginning Domain Validation" seems to be generated
    >>by code that is in aic79xx_osm. Is this common code or should this code
    >>not be getting executed for aic7899 cards?
    >
    >
    > Actually, the code is in the scsi_transport_spi class. aic79xx still
    > has its own internal domain validation.
    >
    >
    >>I'll be happy to try this when I get home.
    >
    >
    > Thanks ... it may not work; I don't have access to any drives with the
    > problem yours exhibits.
    >
    >
    >>Apr 24 23:23:30 porky kernel: scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
    >>Apr 24 23:23:30 porky kernel: <Adaptec aic7899 Ultra160 SCSI adapter>
    >>Apr 24 23:23:30 porky kernel: aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
    >>Apr 24 23:23:30 porky kernel:
    >>Apr 24 23:23:30 porky kernel: (scsi1:A:0): 20.000MB/s transfers (20.000MHz, offset 15)
    >>Apr 24 23:23:31 porky kernel: Vendor: SEAGATE Model: SX118273LC Rev: 6679
    >
    >
    > Yes, that's what I suspected. Here the internal aic7xxx DV has silently
    > configured the drive to be narrow. Probably because of cable damage or
    > something else.
    >
    > James
    >
    >
    >
    James,

    I tried the patch that you sent. It looks like its blowing up now in
    ahc_send_async. At least now we have an oops to look at. I started
    trying to trace through this, but ran out of time. I am sending it on to
    you in hopes that you'll be able to figure this out much quicker than I can.

    Thanks,

    --
    kr
    Linux version 2.6.12-rc3 (kr@porky.cybersoft.int) (gcc version 3.4.3 20050227 (Red Hat 3.4.3-22.fc3)) #6 SMP Thu Apr 28 20:04:26 CDT 2005
    BIOS-provided physical RAM map:
    BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
    BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 000000001ff9e000 (usable)
    BIOS-e820: 000000001ff9e000 - 0000000020000000 (reserved)
    BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
    BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved)
    BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved)
    511MB LOWMEM available.
    found SMP MP-table at 000fe710
    DMI 2.3 present.
    ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
    Processor #0 6:8 APIC version 17
    ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
    Processor #1 6:8 APIC version 17
    ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
    ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
    Using ACPI for processor (LAPIC) configuration information
    Intel MultiProcessor Specification v1.4
    Virtual Wire compatibility mode.
    OEM ID: DELL Product ID: WS 620 APIC at: 0xFEE00000
    I/O APIC #2 Version 32 at 0xFEC00000.
    Enabling APIC mode: Flat. Using 1 I/O APICs
    Processors: 2
    Allocating PCI resources starting at 20000000 (gap: 20000000:dec00000)
    Built 1 zonelists
    Kernel command line: ro root=LABEL=/ console=ttyS0,38400 console=tty0 nmi_watchdog=1
    Initializing CPU#0
    PID hash table entries: 2048 (order: 11, 32768 bytes)
    Detected 931.119 MHz processor.
    Using tsc for high-res timesource
    Console: colour VGA+ 80x25
    Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
    Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
    Memory: 514224k/523896k available (2074k kernel code, 9116k reserved, 1124k data, 228k init, 0k highmem)
    Checking if this processor honours the WP bit even in supervisor mode... Ok.
    Security Framework v1.0.0 initialized
    Capability LSM initialized
    Mount-cache hash table entries: 512
    CPU: L1 I cache: 16K<7>spurious 8259A interrupt: IRQ7.
    , L1 D cache: 16K
    CPU: L2 cache: 256K
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#0.
    Enabling fast FPU save and restore... done.
    Enabling unmasked SIMD FPU exception support... done.
    Checking 'hlt' instruction... OK.
    CPU0: Intel Pentium III (Coppermine) stepping 06
    Booting processor 1/1 eip 2000
    Initializing CPU#1
    CPU: L1 I cache: 16K, L1 D cache: 16K
    CPU: L2 cache: 256K
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#1.
    CPU1: Intel Pentium III (Coppermine) stepping 06
    Total of 2 processors activated (3698.68 BogoMIPS).
    ENABLING IO-APIC IRQs
    ..TIMER: vector=0x31 pin1=2 pin2=0
    testing NMI watchdog ... CPU#1: NMI appears to be stuck!
    checking TSC synchronization across 2 CPUs: passed.
    Brought up 2 CPUs
    checking if image is initramfs... it is
    Freeing initrd memory: 304k freed
    NET: Registered protocol family 16
    PCI: PCI BIOS revision 2.10 entry at 0xfc03e, last bus=4
    PCI: Using configuration type 1
    mtrr: v2.0 (20020519)
    Linux Plug and Play Support v0.97 (c) Adam Belay
    SCSI subsystem initialized
    PCI: Probing PCI hardware
    PCI: Probing PCI hardware (bus 00)
    PCI: Transparent bridge - 0000:00:1e.0
    PCI: Using IRQ router PIIX/ICH [8086/2410] at 0000:00:1f.0
    PCI->APIC IRQ transform: 0000:00:1f.2[D] -> IRQ 19
    PCI->APIC IRQ transform: 0000:00:1f.3[B] -> IRQ 17
    PCI->APIC IRQ transform: 0000:01:00.0[A] -> IRQ 16
    PCI->APIC IRQ transform: 0000:04:04.0[A] -> IRQ 16
    PCI->APIC IRQ transform: 0000:04:05.0[A] -> IRQ 17
    PCI->APIC IRQ transform: 0000:04:05.1[B] -> IRQ 18
    PCI->APIC IRQ transform: 0000:04:0a.0[A] -> IRQ 18
    PCI: Failed to allocate mem resource #0:1000@0 for 0000:03:00.0
    VFS: Disk quotas dquot_6.5.1
    Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
    Initializing Cryptographic API
    nvidiafb: nVidia device/chipset 10DE0103
    nvidiafb: nVidia Corporation NV10GL [Quadro]
    nvidiafb: HW is currently programmed for CRT
    nvidiafb: Using CRT on CRTC 0
    nvidiafb: MTRR set to ON
    nvidiafb: PCI nVidia NV10 framebuffer (64MB @ 0xE8000000)
    isapnp: Scanning for PnP cards...
    isapnp: No Plug & Play device found
    Real Time Clock Driver v1.12
    PNP: No PS/2 controller found. Probing ports directly.
    serio: i8042 AUX port at 0x60,0x64 irq 12
    serio: i8042 KBD port at 0x60,0x64 irq 1
    Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled
    ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
    io scheduler noop registered
    io scheduler anticipatory registered
    io scheduler deadline registered
    io scheduler cfq registered
    RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    ICH: IDE controller at PCI slot 0000:00:1f.1
    ICH: chipset revision 2
    ICH: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:pio
    hda: SAMSUNG CD-R/RW SW-248F, ATAPI CD/DVD-ROM drive
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    hdc: Lite-On LTN483S 48x Max, ATAPI CD/DVD-ROM drive
    ide1 at 0x170-0x177,0x376 on irq 15
    scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
    <Adaptec aic7899 Ultra160 SCSI adapter>
    aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs

    Vendor: QUANTUM Model: ATLAS10K2-TY092L Rev: DA40
    Type: Direct-Access ANSI SCSI revision: 03
    scsi0:A:0:0: Tagged Queuing enabled. Depth 32
    target0:0:0: Beginning Domain Validation
    (scsi0:A:0): 6.600MB/s transfers (16bit)
    (scsi0:A:0): 80.000MB/s transfers (40.000MHz, offset 127, 16bit)
    target0:0:0: Ending Domain Validation
    scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
    <Adaptec aic7899 Ultra160 SCSI adapter>
    aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs

    Vendor: SEAGATE Model: SX118273LC Rev: 6679
    Type: Direct-Access ANSI SCSI revision: 02
    scsi1:A:0:0: Tagged Queuing enabled. Depth 32
    target1:0:0: Beginning Domain Validation
    (scsi1:A:0): 6.600MB/s transfers (16bit)
    (scsi1:A:0:0): parity error detected in Data-in phase. SEQADDR(0x6a) SCSIRATE(0x80)
    Unable to handle kernel NULL pointer dereference at virtual address 00000104
    printing eip:
    c02786a6
    *pde = 00000000
    Oops: 0000 [#1]
    PREEMPT SMP
    Modules linked in:
    CPU: 0
    EIP: 0060:[<c02786a6>] Not tainted VLI
    EFLAGS: 00010006 (2.6.12-rc3)
    EIP is at ahc_send_async+0xf6/0x2d0
    eax: 00000100 ebx: ffffff00 ecx: 00000000 edx: 00000000
    esi: 00000000 edi: dff7ca00 ebp: c0421d9c esp: c0421d14
    ds: 007b es: 007b ss: 0068
    Process swapper (pid: 0, threadinfo=c0420000 task=c0351c00)
    Stack: 00000000 00000000 00000320 00000000 00000000 dff7ca00 00000100 c0421d40
    00000050 00000000 00000000 ffffffff c0421dd4 c027861b dfceac00 ffffffbf
    00000000 dff7ca98 00000000 dff7ca00 c0421d80 c0262b1f dff7ca00 dff7ca90
    Call Trace:
    [<c0103e4f>] show_stack+0x7f/0xa0
    [<c0103ff3>] show_registers+0x163/0x1e0
    [<c0104231>] die+0x101/0x190
    [<c0113142>] do_page_fault+0x472/0x6b9
    [<c0103a7b>] error_code+0x4f/0x54
    [<c0266439>] ahc_set_width+0x109/0x1a0
    [<c026e611>] ahc_reset_channel+0x301/0x530
    [<c0264660>] ahc_handle_scsiint+0x180/0xf80
    [<c02781b8>] ahc_linux_isr+0x218/0x2e0
    [<c013c80e>] handle_IRQ_event+0x3e/0x90
    [<c013c937>] __do_IRQ+0xd7/0x160
    [<c0105666>] do_IRQ+0x26/0x40
    [<c0103946>] common_interrupt+0x1a/0x20
    [<c0100c8e>] cpu_idle+0x4e/0x90
    [<c0422a3f>] start_kernel+0x1af/0x1f0
    [<c010020e>] 0xc010020e
    Code: 14 01 00 00 0f b6 97 3b 01 00 00 80 f9 42 8d 42 08 0f 44 d0 8b 8c 97 c0 00 00 00 8d 04 f6 8d 04 46 01 c8 05 00 01 00 00 89 45 90 <0f> b6 48 04 3a 48 0a 0f 84 ec 00 00 00 a1 0c c5 47 c0 85 c0 74
    <0>Kernel panic - not syncing: Fatal exception in interrupt

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