AE_AML_BUFFER_LIMIT with handmade dsdt file

Thomas Meyer
2005-11-16T21:28:23Z

Hi.

On one window the acpi spec on the other window the dsdl.dsl file, i *thoughed* i fixed my dsdt file but now i get this errors:

[17179570.604000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0._CRS] (Node ebec4b00), AE_AML_BUFFER_LIMIT
[17179570.604000] ACPI-0156: *** Error: Method execution failed [\_SB_.PCI0._CRS] (Node ebec4b00), AE_AML_BUFFER_LIMIT

the method _CRS for the given object is a larger one in the dsdt file. is this some kind of violation of the maximum buffer length (code length in AML?) or something like that?

should i care about this error?

Thanks & regards
Thomas

dmesg:

"
[17179569.184000] Linux version 2.6.15-rc1-g0db169f9 (thomas@hotzenplotz) (gcc-Version 3.4.4 (Gentoo Hardened 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8)) #69 Wed Nov 16 21:41:01 CET 2005
[17179569.184000] BIOS-provided physical RAM map:
[17179569.184000] BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
[17179569.184000] BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
[17179569.184000] BIOS-e820: 00000000000d8000 - 0000000000100000 (reserved)
[17179569.184000] BIOS-e820: 0000000000100000 - 000000002bef0000 (usable)
[17179569.184000] BIOS-e820: 000000002bef0000 - 000000002befb000 (ACPI data)
[17179569.184000] BIOS-e820: 000000002befb000 - 000000002bf00000 (ACPI NVS)
[17179569.184000] BIOS-e820: 000000002bf00000 - 0000000030000000 (reserved)
[17179569.184000] BIOS-e820: 00000000fffe0000 - 0000000100000000 (reserved)
[17179569.184000] 702MB LOWMEM available.
[17179569.184000] On node 0 totalpages: 179952
[17179569.184000] DMA zone: 4096 pages, LIFO batch:2
[17179569.184000] DMA32 zone: 0 pages, LIFO batch:2
[17179569.184000] Normal zone: 175856 pages, LIFO batch:64
[17179569.184000] HighMem zone: 0 pages, LIFO batch:2
[17179569.184000] DMI 2.3 present.
[17179569.184000] ACPI: RSDP (v000 PTLTD ) @ 0x000f6890
[17179569.184000] ACPI: RSDT (v001 PTLTD RSDT 0x06040000 LTP 0x00000000) @ 0x2bef5b5f
[17179569.184000] ACPI: FADT (v001 KN400 PTLTW 0x06040000 PTL_ 0x000f4240) @ 0x2befae95
[17179569.184000] ACPI: SSDT (v001 PTLTD POWERNOW 0x06040000 LTP 0x00000001) @ 0x2befaf09
[17179569.184000] ACPI: DSDT (v001 VIA PTL_ACPI 0x06040000 MSFT 0x0100000e) @ 0x00000000
[17179569.184000] ACPI: PM-Timer IO Port: 0x4008
[17179569.184000] Allocating PCI resources starting at 40000000 (gap: 30000000:cffe0000)
[17179569.184000] Built 1 zonelists
[17179569.184000] Kernel command line: root=/dev/hda3 resume=/dev/hda4 log_buf_len=4M kstack=300
[17179569.184000] log_buf_len: 4194304
[17179569.184000] Local APIC disabled by BIOS -- you can enable it with "lapic"
[17179569.184000] mapped APIC to ffffd000 (01985000)
[17179569.184000] Initializing CPU#0
[17179569.184000] PID hash table entries: 4096 (order: 12, 65536 bytes)
[17179569.184000] Detected 796.218 MHz processor.
[17179569.184000] Using pmtmr for high-res timesource
[17179569.184000] Console: colour VGA+ 80x25
[17179570.432000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[17179570.432000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[17179570.472000] Memory: 705808k/719808k available (1879k kernel code, 13476k reserved, 589k data, 184k init, 0k highmem)
[17179570.472000] Checking if this processor honours the WP bit even in supervisor mode... Ok.
[17179570.552000] Calibrating delay using timer specific routine.. 1594.34 BogoMIPS (lpj=3188696)
[17179570.552000] Mount-cache hash table entries: 512
[17179570.552000] CPU: After generic identify, caps: 0383f9ff c1cbf9ff 00000000 00000000 00000000 00000000 00000000
[17179570.552000] CPU: After vendor identify, caps: 0383f9ff c1cbf9ff 00000000 00000000 00000000 00000000 00000000
[17179570.552000] CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
[17179570.552000] CPU: L2 Cache: 512K (64 bytes/line)
[17179570.552000] CPU: After all inits, caps: 0383f9ff c1cbf9ff 00000000 00000020 00000000 00000000 00000000
[17179570.552000] Intel machine check architecture supported.
[17179570.552000] Intel machine check reporting enabled on CPU#0.
[17179570.552000] mtrr: v2.0 (20020519)
[17179570.552000] CPU: AMD Mobile AMD Athlon(tm) XP 2400+ stepping 00
[17179570.552000] Enabling fast FPU save and restore... done.
[17179570.552000] Enabling unmasked SIMD FPU exception support... done.
[17179570.552000] Checking 'hlt' instruction... OK.
[17179570.568000] ACPI-0284: *** Info: Table [DSDT] replaced by host OS
[17179570.588000] ACPI: setting ELCR to 0400 (from 0a30)
[17179570.592000] NET: Registered protocol family 16
[17179570.592000] ACPI: bus type pci registered
[17179570.592000] PCI: PCI BIOS revision 2.10 entry at 0xfd65c, last bus=1
[17179570.592000] PCI: Using configuration type 1

[interessting part begins here!]
[17179570.592000] ACPI: Subsystem revision 20050902
[17179570.600000] ACPI: Interpreter enabled
[17179570.600000] ACPI: Using PIC for interrupt routing
[17179570.604000] ACPI: PCI Root Bridge [PCI0] (0000:00)
[17179570.604000] PCI: Probing PCI hardware (bus 00)

[17179570.604000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0._CRS] (Node ebec4b00), AE_AML_BUFFER_LIMIT
[17179570.604000] ACPI-0156: *** Error: Method execution failed [\_SB_.PCI0._CRS] (Node ebec4b00), AE_AML_BUFFER_LIMIT

[17179570.608000] PCI quirk: region 4000-407f claimed by vt8235 PM
[17179570.608000] PCI quirk: region 8100-810f claimed by vt8235 SMB
[17179570.612000] Boot video device is 0000:01:00.0
[17179570.612000] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
[17179570.624000] ACPI: PCI Interrupt Link [LNKA] (IRQs *4)
[17179570.624000] ACPI: PCI Interrupt Link [LNKB] (IRQs *5)
[17179570.624000] ACPI: PCI Interrupt Link [LNKC] (IRQs *9)
[17179570.624000] ACPI: PCI Interrupt Link [LNKD] (IRQs *11)
[17179570.632000] ACPI: Embedded Controller [EC0] (gpe 1)
[17179570.636000] Linux Plug and Play Support v0.97 (c) Adam Belay
[17179570.636000] pnp: PnP ACPI init
[17179570.644000] pnp: PnP ACPI: found 11 devices
[17179570.648000] PnPBIOS: Disabled by ACPI PNP
[17179570.648000] PCI: Using ACPI for IRQ routing
[17179570.648000] PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
[17179570.648000] pnp: 00:05: ioport range 0x4d0-0x4d1 has been reserved
[17179570.648000] pnp: 00:05: ioport range 0xfe10-0xfe11 has been reserved
[17179570.648000] pnp: 00:05: ioport range 0x600-0x60f has been reserved
[17179570.648000] pnp: 00:05: ioport range 0xfe00-0xfe00 has been reserved
[17179570.648000] pnp: 00:05: ioport range 0x4000-0x407f could not be reserved
[17179570.652000] PCI: Failed to allocate mem resource #6:10000@f4000000 for 0000:01:00.0
[17179570.652000] PCI: Bridge: 0000:00:01.0
[17179570.652000] IO window: disabled.
[17179570.652000] MEM window: d1000000-d1ffffff
[17179570.652000] PREFETCH window: f0000000-f3ffffff
[17179570.652000] PCI: Bus 2, cardbus bridge: 0000:00:07.0
[17179570.652000] IO window: 00002000-000020ff
[17179570.652000] IO window: 00002400-000024ff
[17179570.652000] PREFETCH window: 40000000-41ffffff
[17179570.652000] MEM window: 42000000-43ffffff
[17179570.652000] PCI: Setting latency timer of device 0000:00:01.0 to 64
[17179570.652000] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 5
[17179570.652000] PCI: setting IRQ 5 as level-triggered
[17179570.652000] ACPI: PCI Interrupt 0000:00:07.0[A] -> Link [LNKB] -> GSI 5 (level, low) -> IRQ 5
[17179570.652000] PCI: Setting latency timer of device 0000:00:07.0 to 64
[17179570.652000] Machine check exception polling timer started.
[17179570.652000] VFS: Disk quotas dquot_6.5.1
[17179570.652000] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[17179570.652000] Initializing Cryptographic API
[17179570.652000] io scheduler noop registered
[17179570.652000] io scheduler anticipatory registered
[17179570.656000] isapnp: Scanning for PnP cards...

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