Bug 5797
| Summary: | PCI allocation failure and false video ram size allocation | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Gilbert Furger (info) |
| Component: | PCI | Assignee: | Greg Kroah-Hartman (greg) |
| Status: | REJECTED INVALID | ||
| Severity: | normal | ||
| Priority: | P2 | ||
| Hardware: | i386 | ||
| OS: | Linux | ||
| Kernel Version: | 2.6.14.5 | Subsystem: | |
| Regression: | --- | Bisected commit-id: | |
| Bug Depends on: | |||
| Bug Blocks: | 5829 | ||
You should be able to safely ignore this message, it's not causing any problems. |
Most recent kernel where this bug did not occur: Distribution: Fedora Core 4 Hardware Environment: IBM server x306 Software Environment: Problem Description: At boot, the kernel reports: PCI: Cannot allocate resource region 7 of bridge 0000:00:1e.0 dmesg reports: PCI: Bridge: 0000:00:1e.0 IO window: disabled. MEM window: d0300000-d03fffff PREFETCH window: e0000000-efffffff It seems to be related to the Intel PCI Bridge 82801: lspci -n: 00:1e.0 Class 0604: 8086:244e (rev 0a) lspci -vvx: 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 0a) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0 Bus: primary=00, secondary=04, subordinate=04, sec-latency=32 Memory behind bridge: d0300000-d03fffff Prefetchable memory behind bridge: e0000000-efffffff Secondary status: 66Mhz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR+ NoISA+ VGA+ MAbort- >Reset- FastB2B- 00: 86 80 4e 24 47 01 80 00 0a 00 04 06 00 00 01 00 10: 00 00 00 00 00 00 00 00 00 04 04 20 f0 00 80 22 20: 30 d0 30 d0 00 e0 f0 ef 00 00 00 00 00 00 00 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0e 00 The video card behind this bridge is a ATI Radeon and the PCI descovery reports a memory video size of 256 MB but this video has only 16 MB of ram (correctly discored by X server). lspci -n 04:02.0 Class 0300: 1002:5159 Subsystem: 1014:02c8 lspci -vvx 04:02.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE] (prog-if 00 [VGA]) Subsystem: IBM: Unknown device 02c8 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR+ FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 66 (2000ns min), Cache Line Size 08 Interrupt: pin A routed to IRQ 3 Region 0: Memory at e0000000 (32-bit, prefetchable) [size=256M] Region 1: I/O ports at 4000 [size=256] Region 2: Memory at d0300000 (32-bit, non-prefetchable) [size=64K] [virtual] Expansion ROM at d0360000 [disabled] [size=128K] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- 00: 02 10 59 51 87 01 90 02 00 00 00 03 08 42 00 00 10: 08 00 00 e0 01 40 00 00 00 00 30 d0 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 14 10 c8 02 30: 00 00 00 00 50 00 00 00 00 00 00 00 03 01 08 00 PCI devices list: 00:00.0 Host bridge: Intel Corporation 82875P/E7210 Memory Controller Hub (rev 02) 00:03.0 PCI bridge: Intel Corporation 82875P/E7210 Processor to PCI to CSA Bridge (rev 02) (prog-if 00 [Normal decode]) 00:1c.0 PCI bridge: Intel Corporation 6300ESB 64-bit PCI-X Bridge (rev 02) (prog-if 00 [Normal decode]) 00:1d.0 USB Controller: Intel Corporation 6300ESB USB Universal Host Controller (rev 02) (prog-if 00 [UHCI]) 00:1d.1 USB Controller: Intel Corporation 6300ESB USB Universal Host Controller (rev 02) (prog-if 00 [UHCI]) 00:1d.4 System peripheral: Intel Corporation 6300ESB Watchdog Timer (rev 02) 00:1d.5 PIC: Intel Corporation 6300ESB I/O Advanced Programmable Interrupt Controller (rev 02) (prog-if 20 [IO(X)-APIC]) 00:1d.7 USB Controller: Intel Corporation 6300ESB USB2 Enhanced Host Controller (rev 02) (prog-if 20 [EHCI]) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 0a) (prog-if 00 [Normal decode]) 00:1f.0 ISA bridge: Intel Corporation 6300ESB LPC Interface Controller (rev 02) 00:1f.1 IDE interface: Intel Corporation 6300ESB PATA Storage Controller (rev 02) (prog-if 8a [Master SecP PriP]) 00:1f.3 SMBus: Intel Corporation 6300ESB SMBus Controller (rev 02) 02:01.0 Ethernet controller: Intel Corporation 82547GI Gigabit Ethernet Controller 03:01.0 RAID bus controller: 3ware Inc: Unknown device 1003 04:02.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE] (prog-if 00 [VGA]) 04:03.0 Ethernet controller: Intel Corporation 82541GI/PI Gigabit Ethernet Controller The system boot correctly but if I wake on lan the system after a software poweroff, it hangs before grub. I suspect that it is related to a bad video state at poweroff (video acpi related?). Steps to reproduce: always at boot