VM0でFedora 21の起動が遅い

• Reporter: yuichi_xy
• Owner: yuichi_xy
• Type: Bugs
• Status: Closed
• Component: (None)
• MileStone: (None)
• Priority: 5 - Medium
• Severity: 5 - Medium
• Resolution: Fixed
• File: None

Details Reply

VM0でFedora 21を起動してみたところ、起動に時間がかかりました。

Fedora 21のカーネルメッセージをシリアルコンソールに出力するようにしてみたところ、VM1に割り当てたはずのデバイス(00:1c.0)にアクセスしようとして時間がかかっているように見えます。

[   22.185891] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM 
Segments MSI]
[   22.195032] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug PM
E]
[   22.202981] acpi PNP0A08:00: _OSC: OS now controls [AER PCIeCapability]
[   88.787992] pci 0000:00:1c.0: not responding
[   88.792706] PCI host bridge to bus 0000:00
[   88.797123] pci_bus 0000:00: root bus resource [bus 00-3e]
[   88.803134] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
[   88.809906] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
[   88.816680] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[   88.824218] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff]
[   88.831757] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff]
[   88.839294] pci_bus 0000:00: root bus resource [mem 0xcfa00000-0xfeafffff]
[   88.848510] pci 0000:00:1a.0: System wakeup disabled by ACPI
[   88.855098] pci 0000:00:1b.0: System wakeup disabled by ACPI
[  155.438675] pci 0000:00:1c.0: not responding
[  155.443780] pci 0000:00:1d.0: System wakeup disabled by ACPI

障害発生リビジョン: trunk r324

Ticket History (3/6 Histories)

2015-02-15 22:44 Updated by: yuichi_xy

• New Ticket "VM0でFedora 21の起動が遅い" created

2015-02-15 22:53 Updated by: yuichi_xy

• Owner Update from (None) to yuichi_xy

Comment Reply

[yuichi@fedora ~]$ sudo lspci -vvx -H1 -s 00:1c.0
00:1c.0 Non-VGA unclassified device: Device 0001:0001
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
00: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 80 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

2015-02-15 23:23 Updated by: yuichi_xy

Comment Reply

VM1でFedora 21を起動した場合は、遅くなりませんでした。

2015-02-21 22:57 Updated by: yuichi_xy

Comment Reply

理由はよくわかりませんが、ベンダIDが 0001h の場合に 60 秒ループするコードが Linux にありました。

http://lxr.free-electrons.com/source/drivers/pci/probe.c#L1454

2015-02-22 22:56 Updated by: yuichi_xy

• Status Update from Open to Closed
• Ticket Close date is changed to 2015-02-22 22:56

Comment Reply

r326 で、ベンダIDを変更したところ、起動の速さが正常になりました。

2015-09-27 22:32 Updated by: yuichi_xy

• Resolution Update from None to Fixed