This is caused by some changes in driver model. I sent the updated patches to you on 31 Oct. I think you forget to apply them. :) On Wed, 2006-11-22 at 23:07 -0500, Len Brown wrote: > On Friday 22 September 2006 05:14, Zhang Rui wrote: > > Make ACPI use driver model. > > > > Patrick has posted patches on rewriting ACPI driver model in November 2005. > > And recently Shaohua send me a prototype on making ACPI use driver model. > > This patch series bases on both Patrick and Shaohua's previous work. > > > > Two features are gonna to be changed by applying this series of patches. > > 1. ACPI driver model. > > ACPI driver are made to follow Linux driver model. > > The mainly work is to convert the registeration interfaces, so that > > ACPI devices are registered with the global device tree. > > Note the new .uevent method mark ACPI drivers by PNPID > > instead of by name. Udev script needs to look for "HWID = " > > or "COMPTID = " to load the right ACPI driver. > > 2. ACPI sysfs interface. > > As a result of using driver model, ACPI devices is added in the > > /sys/device tree. So after _EJ0 is added as a property of > > ACPI device in device tree, /sys/firm/acpi is deleted. > > Note that the corresponding userspace script needs to be changed > > for hot removal. > > > > Note that this is only the first step of ACPI sysfs convert project. > > The next step is to duplicate /proc/acpi functions in /sys/device tree. > > This patch series didn't boot on my T30: > > Linux version 2.6.19-rc6-g608eebb7 (lenb@toshiba) (gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)) #183 SMP Wed Nov 22 18:37:12 EST 2006 > BIOS-provided physical RAM map: > BIOS-e820: 0000000000000000 - 000000000009f000 (usable) > BIOS-e820: 000000000009f000 - 00000000000a0000 (reserved) > BIOS-e820: 00000000000dc000 - 0000000000100000 (reserved) > BIOS-e820: 0000000000100000 - 000000003ff70000 (usable) > BIOS-e820: 000000003ff70000 - 000000003ff7e000 (ACPI data) > BIOS-e820: 000000003ff7e000 - 000000003ff80000 (ACPI NVS) > BIOS-e820: 000000003ff80000 - 0000000040000000 (reserved) > BIOS-e820: 00000000ff800000 - 0000000100000000 (reserved) > 127MB HIGHMEM available. > 896MB LOWMEM available. > Entering add_active_range(0, 0, 262000) 0 entries of 256 used > Zone PFN ranges: > DMA 0 -> 4096 > Normal 4096 -> 229376 > HighMem 229376 -> 262000 > early_node_map[1] active PFN ranges > 0: 0 -> 262000 > On node 0 totalpages: 262000 > DMA zone: 32 pages used for memmap > DMA zone: 0 pages reserved > DMA zone: 4064 pages, LIFO batch:0 > Normal zone: 1760 pages used for memmap > Normal zone: 223520 pages, LIFO batch:31 > HighMem zone: 254 pages used for memmap > HighMem zone: 32370 pages, LIFO batch:7 > DMI present. > ACPI: RSDP (v002 IBM ) @ 0x000f7010 > ACPI: XSDT (v001 IBM TP-1I 0x00002100 LTP 0x00000000) @ 0x3ff731cd > ACPI: FADT (v001 IBM TP-1I 0x00002100 IBM 0x00000001) @ 0x3ff73300 > ACPI: SSDT (v001 IBM TP-1I 0x00002100 MSFT 0x0100000d) @ 0x3ff733b4 > ACPI: ECDT (v001 IBM TP-1I 0x00002100 IBM 0x00000001) @ 0x3ff7debc > ACPI: TCPA (v001 IBM TP-1I 0x00002100 PTL 0x00000001) @ 0x3ff7df0e > ACPI: BOOT (v001 IBM TP-1I 0x00002100 LTP 0x00000001) @ 0x3ff7dfd8 > ACPI: DSDT (v001 IBM TP-1I 0x00002100 MSFT 0x0100000d) @ 0x00000000 > ACPI: PM-Timer IO Port: 0x1008 > Allocating PCI resources starting at 50000000 (gap: 40000000:bf800000) > Detected 1798.521 MHz processor. > Built 1 zonelists. Total pages: 259954 > Kernel command line: root=/dev/hda2 console=tty0 console=ttyS0,115200n8 debug apm=off > Local APIC disabled by BIOS -- you can enable it with "lapic" > mapped APIC to ffffd000 (0180c000) > Enabling fast FPU save and restore... done. > Enabling unmasked SIMD FPU exception support... done. > Initializing CPU#0 > CPU 0 irqstacks, hard=c0635000 soft=c063d000 > PID hash table entries: 4096 (order: 12, 16384 bytes) > 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: 1032688k/1048000k available (3400k kernel code, 14720k reserved, 1641k data, 244k init, 130496k highmem) > virtual kernel memory layout: > fixmap : 0xfff4f000 - 0xfffff000 ( 704 kB) > pkmap : 0xffc00000 - 0xffe00000 (2048 kB) > vmalloc : 0xf8800000 - 0xffbfe000 ( 115 MB) > lowmem : 0xc0000000 - 0xf8000000 ( 896 MB) > .init : 0xc05f3000 - 0xc0630000 ( 244 kB) > .data : 0xc04523c8 - 0xc05ec8c8 (1641 kB) > .text : 0xc0100000 - 0xc04523c8 (3400 kB) > Checking if this processor honours the WP bit even in supervisor mode... Ok. > Calibrating delay using timer specific routine.. 3600.98 BogoMIPS (lpj=7201968) > Mount-cache hash table entries: 512 > CPU: After generic identify, caps: 3febf9ff 00000000 00000000 00000000 00000000 00000000 00000000 > CPU: Trace cache: 12K uops, L1 D cache: 8K > CPU: L2 cache: 512K > CPU: Hyper-Threading is disabled > CPU: After all inits, caps: 3febf9ff 00000000 00000000 00000080 00000000 00000000 00000000 > Intel machine check architecture supported. > Intel machine check reporting enabled on CPU#0. > CPU0: Intel P4/Xeon Extended MCE MSRs (12) available > CPU0: Thermal monitoring enabled > Compat vDSO mapped to ffffe000. > Checking 'hlt' instruction... OK. > SMP alternatives: switching to UP code > Freeing SMP alternatives: 20k freed > ACPI: Core revision 20060707 > tbxface-0107 [01] load_tables : ACPI Tables successfully acquired > Parsing all Control Methods: > Table [DSDT](id 0006) - 1241 Objects with 62 Devices 377 Methods 19 Regions > Parsing all Control Methods: > Table [SSDT](id 0004) - 1 Objects with 0 Devices 1 Methods 0 Regions > ACPI Namespace successfully loaded at root c066c2b0 > ACPI: setting ELCR to 0200 (from 0a00) > evxfevnt-0089 [02] enable : Transition to ACPI mode successful > CPU0: Intel(R) Pentium(R) 4 Mobile CPU 1.80GHz stepping 04 > SMP motherboard not detected. > Local APIC not detected. Using dummy APIC emulation. > Brought up 1 CPUs > PM: Adding info for No Bus:platform > NET: Registered protocol family 16 > ACPI: bus type pci registered > PCI: PCI BIOS revision 2.10 entry at 0xfd8fe, last bus=8 > PCI: Using configuration type 1 > Setting up standard PCI resources > evgpeblk-0951 [04] ev_create_gpe_block : GPE 00 to 0F [_GPE] 2 regs on int 0x9 > evgpeblk-0951 [04] ev_create_gpe_block : GPE 10 to 1F [_GPE] 2 regs on int 0x9 > evgpeblk-1048 [03] ev_initialize_gpe_bloc: Found 6 Wake, Enabled 0 Runtime GPEs in this block > evgpeblk-1048 [03] ev_initialize_gpe_bloc: Found 2 Wake, Enabled 0 Runtime GPEs in this block > Completing Region/Field/Buffer/Package initialization:.......................................................................................... > Initialized 18/19 Regions 123/123 Fields 67/67 Buffers 26/34 Packages (1251 nodes) > Initializing Device/Processor/Thermal objects by executing _INI methods:........ > Executed 8 _INI methods requiring 2 _STA executions (examined 66 objects) > ACPI: Interpreter enabled > ACPI: Using PIC for interrupt routing > PM: Adding info for acpi:ACPI > PM: Adding info for acpi:PWRF > PM: Adding info for acpi:CPU > PM: Adding info for acpi:_SB > PM: Adding info for acpi:LNKA > PM: Adding info for acpi:LNKB > PM: Adding info for acpi:LNKC > PM: Adding info for acpi:LNKD > PM: Adding info for acpi:LNKE > PM: Adding info for acpi:LNKF > PM: Adding info for acpi:LNKG > PM: Adding info for acpi:LNKH > PM: Adding info for acpi:MEM > PM: Adding info for acpi:LID > PM: Adding info for acpi:SLPB > PM: Adding info for acpi:PCI0 > PM: Adding info for acpi:LPC > PM: Adding info for acpi:SIO > PM: Adding info for acpi:PIC > PM: Adding info for acpi:TIMR > PM: Adding info for acpi:DMAC > PM: Adding info for acpi:SPKR > PM: Adding info for acpi:FPU > PM: Adding info for acpi:RTC > PM: Adding info for acpi:KBD > PM: Adding info for acpi:MOU > PM: Adding info for acpi:FDC > PM: Adding info for acpi:FDD0 > PM: Adding info for acpi:UART > PM: Adding info for acpi:LPT > PM: Adding info for acpi:FIR > PM: Adding info for acpi:EC > PM: Adding info for acpi:PUBS > PM: Adding info for acpi:BAT0 > PM: Adding info for acpi:AC > PM: Adding info for acpi:HKEY > PM: Adding info for acpi:AGP > PM: Adding info for acpi:VID > PM: Adding info for acpi:LCD0 > PM: Adding info for acpi:CRT0 > PM: Adding info for acpi:TV0 > PM: Adding info for acpi:DVI0 > PM: Adding info for acpi:PCI1 > PM: Adding info for acpi:CBS0 > PM: Adding info for acpi:CBS1 > PM: Adding info for acpi:IDE0 > PM: Adding info for acpi:PRIM > PM: Adding info for acpi:MSTR > PM: Adding info for acpi:SCND > PM: Adding info for acpi:MSTR > PM: Removing info for acpi:MSTR > ------------[ cut here ]------------ > kernel BUG at fs/sysfs/file.c:460! > invalid opcode: 0000 [#1] > SMP > Modules linked in: > CPU: 0 > EIP: 0060:[<c01991c2>] Not tainted VLI > EFLAGS: 00010202 (2.6.19-rc6-g608eebb7 #183) > EIP is at sysfs_create_file+0x20/0x44 > eax: c1a30700 ebx: c0576f20 ecx: c1a30708 edx: c1a30701 > esi: 00000000 edi: c1a30498 ebp: 00000000 esp: c1920ed8 > ds: 007b es: 007b ss: 0068 > Process swapper (pid: 1, ti=c1920000 task=c191fa70 task.ti=c1920000) > Stack: c1a30720 c1a30690 c02b4694 c1a30690 c02b46d7 c1a30708 c0576f20 c1a30488 > c1a30690 c0283fbf c1a30690 c0576f20 c1920f2c c18de1c8 c1a30894 c1920f68 > 00000000 00000068 c19e84f0 4d000001 00525453 c1909684 00000001 00000000 > Call Trace: > [<c02b4694>] get_device+0x16/0x1b > [<c02b46d7>] device_create_file+0x29/0x3a > [<c0283fbf>] acpi_add_single_object+0x8cc/0x93e > [<c0284173>] acpi_bus_scan+0x142/0x1cd > [<c0609bf8>] acpi_scan_init+0xe8/0x103 > [<c01004fc>] init+0x143/0x2f3 > [<c0102dce>] ret_from_fork+0x6/0x1c > [<c01003b9>] init+0x0/0x2f3 > [<c01003b9>] init+0x0/0x2f3 > [<c0103a4b>] kernel_thread_helper+0x7/0x10 > ======================= > Code: 00 89 f8 83 c4 18 5b 5e 5f 5d c3 53 83 ec 0c 8b 4c 24 14 8b 5c 24 18 85 c9 74 10 83 79 30 00 0f 94 c2 85 db 0f 94 c0 08 c2 74 08 <0f> 0b > EIP: [<c01991c2>] sysfs_create_file+0x20/0x44 SS:ESP 0068:c1920ed8 > <0>Kernel panic - not syncing: Attempted to kill init! - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html