A 16MB log_buf was enough. Here is the initial trace up until the unaligned access messages:
Linux version 2.6.16-rc2-zx1-smp ([EMAIL PROTECTED]) (gcc version 3.4.3 20050227 (Red Hat 3.4.3-22.1)) #7 SMP Fri Feb 10 15:17:06 PST 2006 EFI v1.10 by HP: SALsystab=0x3fefa000 ACPI 2.0=0x3fd5e000 SMBIOS=0x3fefc000 HCDP=0x3fd5c000 PCDP: v0 at 0x3fd5c000 Explicit "console="; ignoring PCDP warning: skipping physical page 0 Initial ramdisk at: 0xe00000407ee5b000 (1303589 bytes) SAL 3.1: HP version 3.15 SAL Platform features: None SAL: AP wakeup using external interrupt vector 0xff No logical to physical processor mapping available ACPI: Local APIC address c0000000fee00000 GSI 36 (level, low) -> CPU 0 (0x0000) vector 48 2 CPUs available, 2 CPUs total MCA related initialization done Virtual mem_map starts at 0xa0007fffc7900000 Built 1 zonelists Kernel command line: BOOT_IMAGE=scsi0:EFI\redhat\l-zx1-smp.gz console=ttyS0 root=LABEL=/ ro PID hash table entries: 4096 (order: 12, 131072 bytes) Console: colour dummy device 80x25 Dentry cache hash table entries: 262144 (order: 7, 2097152 bytes) Inode-cache hash table entries: 131072 (order: 6, 1048576 bytes) Memory: 2041632k/2086064k available (8308k code, 43248k reserved, 3585k data, 272k init) McKinley Errata 9 workaround not needed; disabling it Mount-cache hash table entries: 1024 tbxface-0109 [02] load_tables : ACPI Tables successfully acquired Parsing all Control Methods: Table [DSDT](id 000D) - 158 Objects with 11 Devices 106 Methods 0 Regions Parsing all Control Methods: Table [SSDT](id 0004) - 13 Objects with 1 Devices 9 Methods 0 Regions Parsing all Control Methods: Table [SSDT](id 0005) - 29 Objects with 3 Devices 23 Methods 0 Regions Parsing all Control Methods: Table [SSDT](id 0006) - 69 Objects with 9 Devices 41 Methods 0 Regions Parsing all Control Methods: Table [SSDT](id 0007) - 69 Objects with 9 Devices 41 Methods 0 Regions Parsing all Control Methods: Table [SSDT](id 0008) - 69 Objects with 9 Devices 41 Methods 0 Regions Parsing all Control Methods: Table [SSDT](id 0009) - 69 Objects with 9 Devices 41 Methods 0 Regions Parsing all Control Methods: Table [SSDT](id 000A) - 7 Objects with 0 Devices 5 Methods 0 Regions Parsing all Control Methods: Table [SSDT](id 000B) - 7 Objects with 0 Devices 5 Methods 0 Regions ACPI Namespace successfully loaded at root a000000101bb41e0 evxfevnt-0079 [03] enable : System is already in ACPI mode Boot processor id 0x0/0x0 CPU 1: synchronized ITC with CPU 0 (last diff -2 cycles, maxerr 554 cycles) Brought up 2 CPUs Total of 2 processors activated (3891.20 BogoMIPS). migration_cost=3225 checking if image is initramfs... it is Freeing initrd memory: 1264kB freed NET: Registered protocol family 16 ACPI: bus type pci registered ACPI: Subsystem revision 20060127 evgpeblk-0941 [06] ev_create_gpe_block : GPE 00 to 0F [_GPE] 2 regs on int 0x24 evgpeblk-0941 [06] ev_create_gpe_block : GPE 10 to 1F [_GPE] 2 regs on int 0x24 evgpeblk-1037 [05] ev_initialize_gpe_bloc: Found 0 Wake, Enabled 0 Runtime GPEs in this block evgpeblk-1037 [05] ev_initialize_gpe_bloc: Found 0 Wake, Enabled 1 Runtime GPEs in this block Completing Region/Field/Buffer/Package initialization:. Initialized 0/0 Regions 0/0 Fields 0/0 Buffers 1/1 Packages (499 nodes) Executing all Device _STA and_INI methods:..[ACPI Debug] String: [0x04] "_INI" [ACPI Debug] String: [0x1E] "Pointer And Rev are Not valid " [ACPI Debug] String: [0x29] "Initializing the SCRAM data struct access" [ACPI Debug] String: [0x0E] "Executing GFIT" [ACPI Debug] String: [0x1D] "Init of scratch RAM complete!" ...................................................... 56 Devices found - executed 0 _STA, 1 _INI methods ACPI: Interpreter enabled ACPI: Using IOSAPIC for interrupt routing [ACPI Debug] String: [0x0A] "CLIB.SBA 1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000002 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting Sba Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "Sba Ptr is " [ACPI Debug] Integer: 0x3FEF8070 [ACPI Debug] String: [0x0A] "CLIB.BMC 2" [ACPI Debug] Integer: 0x00000002 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000005 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting BMC Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "BMC Ptr is " [ACPI Debug] Integer: 0x3FEF8020 [ACPI Debug] String: [0x0A] "CLIB.BMC 2" [ACPI Debug] Integer: 0x00000002 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000005 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting BMC Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "BMC Ptr is " [ACPI Debug] Integer: 0x3FEF8020 [ACPI Debug] String: [0x06] "_STA 0" [ACPI Debug] String: [0x0A] "CLIB.LBA 1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000003 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting Lba Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP3" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "Lba Ptr is " [ACPI Debug] Integer: 0x3FEF81E0 [ACPI Debug] String: [0x06] "_HID 0" [ACPI Debug] String: [0x0A] "CLIB.LBA 1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000003 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting Lba Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP3" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "Lba Ptr is " [ACPI Debug] Integer: 0x3FEF81E0 [ACPI Debug] String: [0x0A] "CLIB.LBA 1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000003 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting Lba Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP3" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "Lba Ptr is " [ACPI Debug] Integer: 0x3FEF81E0 [ACPI Debug] String: [0x06] "_STA 0" [ACPI Debug] String: [0x0A] "CLIB.LBA 1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000003 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting Lba Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP3" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "Lba Ptr is " [ACPI Debug] Integer: 0x3FEF81E0 [ACPI Debug] String: [0x06] "_BBN 0" [ACPI Debug] String: [0x0A] "CLIB.LBA 1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000003 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting Lba Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP3" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "Lba Ptr is " [ACPI Debug] Integer: 0x3FEF81E0 ACPI: PCI Root Bridge [PCI0] (0000:00) [ACPI Debug] String: [0x06] "_CRS 0" [ACPI Debug] String: [0x0A] "CLIB.LBA 1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000003 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1A] "PARS.GPTR: Getting Lba Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP3" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "Lba Ptr is " [ACPI Debug] Integer: 0x3FEF81E0 [ACPI Debug] String: [0x18] "Assert will not go fatal" [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000006 [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x21] "PARS.GPTR: Getting SERIAL DEV Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x12] "SERIAL DEV Ptr is " [ACPI Debug] Integer: 0x3FEF9980 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" [ACPI Debug] Integer: 0x00000006 [ACPI Debug] Integer: 0x00010000 [ACPI Debug] String: [0x21] "PARS.GPTR: Getting SERIAL DEV Ptr" [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x1F] "PARS.GUID: evaluating for COMP2" [ACPI Debug] Integer: 0x00000001 [ACPI Debug] String: [0x12] "SERIAL DEV Ptr is " [ACPI Debug] Integer: 0x3FEF99A0 kernel unaligned access to 0xe000004040e7a434, ip=0xa0000001003c81a0 kernel unaligned access to 0xe000004040e7a46c, ip=0xa0000001003c81a0 kernel unaligned access to 0xe000004040e7a4bc, ip=0xa0000001003c81a0 kernel unaligned access to 0xe000004040e7a42c, ip=0xa0000001003c6ca1 kernel unaligned access to 0xe000004040e7a434, ip=0xa0000001003c6cb1 [ACPI Debug] String: [0x06] "_CRS 0" [ACPI Debug] String: [0x0A] "CLIB.LBA 1" [ACPI Debug] Integer: 0x00000000 [ACPI Debug] String: [0x0B] "PARS.GPTR 2" - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
