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错误：USB 3.0 设备的 ep 环上没有空间

tag-icon • tag-icon usb hardware mythbuntu xhci-hcd
错误：USB 3.0 设备的 ep 环上没有空间

昨天刚刚在一台全新的机器上全新安装了 mythbuntu 12.04。ASRock Z77 Extreme4 配备英特尔视频芯片组、8GB 内存。

我看到谷歌将此视为该驱动程序中的 USB 3 问题，但由于我使用的是原装 12.04，所以我至少希望获得 ubuntu 的错误参考。

整个 dmesg 都充满了：

[22822.772021] xhci_hcd 0000:00:14.0: ERROR no room on ep ring
[22822.772024] xhci_hcd 0000:00:14.0: ERROR no room on ep ring
[22822.772027] xhci_hcd 0000:00:14.0: ERROR no room on ep ring
[22822.772030] xhci_hcd 0000:00:14.0: ERROR no room on ep ring
[22822.772034] xhci_hcd 0000:00:14.0: ERROR no room on ep ring
[22822.772037] xhci_hcd 0000:00:14.0: ERROR no room on ep ring

有关我的系统的信息：

root@mythtv:~# uname -a
Linux mythtv 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

root@mythtv:~# lspci -v
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
  Subsystem: ASRock Incorporation Device 0100
  Flags: bus master, fast devsel, latency 0
  Capabilities: [e0] Vendor Specific Information: Len=0c <?>
  Kernel driver in use: agpgart-intel

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
  Subsystem: ASRock Incorporation Device 0102
  Flags: bus master, fast devsel, latency 0, IRQ 54
  Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
  Memory at e0000000 (64-bit, prefetchable) [size=256M]
  I/O ports at f000 [size=64]
  Expansion ROM at <unassigned> [disabled]
  Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
  Capabilities: [d0] Power Management version 2
  Capabilities: [a4] PCI Advanced Features
  Kernel driver in use: i915
  Kernel modules: i915

00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04) (prog-if 30 [XHCI])
  Subsystem: ASRock Incorporation Device 1e31
  Flags: bus master, medium devsel, latency 0, IRQ 47
  Memory at f7f00000 (64-bit, non-prefetchable) [size=64K]
  Capabilities: [70] Power Management version 2
  Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+
  Kernel driver in use: xhci_hcd

00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04)
  Subsystem: ASRock Incorporation Device 1e3a
  Flags: bus master, fast devsel, latency 0, IRQ 53
  Memory at f7f1a000 (64-bit, non-prefetchable) [size=16]
  Capabilities: [50] Power Management version 3
  Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
  Kernel driver in use: mei
  Kernel modules: mei

00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04) (prog-if 20 [EHCI])
  Subsystem: ASRock Incorporation Device 1e2d
  Flags: bus master, medium devsel, latency 0, IRQ 16
  Memory at f7f18000 (32-bit, non-prefetchable) [size=1K]
  Capabilities: [50] Power Management version 2
  Capabilities: [58] Debug port: BAR=1 offset=00a0
  Capabilities: [98] PCI Advanced Features
  Kernel driver in use: ehci_hcd

00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04)
  Subsystem: ASRock Incorporation Device 1898
  Flags: bus master, fast devsel, latency 0, IRQ 55
  Memory at f7f10000 (64-bit, non-prefetchable) [size=16K]
  Capabilities: [50] Power Management version 2
  Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
  Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
  Capabilities: [100] Virtual Channel
  Capabilities: [130] Root Complex Link
  Kernel driver in use: snd_hda_intel
  Kernel modules: snd-hda-intel

00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 (rev c4) (prog-if 00 [Normal decode])
  Flags: bus master, fast devsel, latency 0
  Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
  I/O behind bridge: 00002000-00002fff
  Memory behind bridge: dfb00000-dfcfffff
  Prefetchable memory behind bridge: 00000000dfd00000-00000000dfefffff
  Capabilities: [40] Express Root Port (Slot+), MSI 00
  Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
  Capabilities: [90] Subsystem: ASRock Incorporation Device 1e10
  Capabilities: [a0] Power Management version 2
  Kernel driver in use: pcieport
  Kernel modules: shpchp

00:1c.3 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 4 (rev c4) (prog-if 00 [Normal decode])
  Flags: bus master, fast devsel, latency 0
  Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
  I/O behind bridge: 0000e000-0000efff
  Memory behind bridge: f7e00000-f7efffff
  Capabilities: [40] Express Root Port (Slot+), MSI 00
  Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
  Capabilities: [90] Subsystem: ASRock Incorporation Device 1e16
  Capabilities: [a0] Power Management version 2
  Kernel driver in use: pcieport
  Kernel modules: shpchp

00:1c.4 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 5 (rev c4) (prog-if 00 [Normal decode])
  Flags: bus master, fast devsel, latency 0
  Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
  Memory behind bridge: f7d00000-f7dfffff
  Prefetchable memory behind bridge: 00000000f4200000-00000000f42fffff
  Capabilities: [40] Express Root Port (Slot+), MSI 00
  Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
  Capabilities: [90] Subsystem: ASRock Incorporation Device 1e18
  Capabilities: [a0] Power Management version 2
  Kernel driver in use: pcieport
  Kernel modules: shpchp

00:1c.5 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 6 (rev c4) (prog-if 00 [Normal decode])
  Flags: bus master, fast devsel, latency 0
  Bus: primary=00, secondary=04, subordinate=05, sec-latency=0
  Prefetchable memory behind bridge: 00000000f0000000-00000000f40fffff
  Capabilities: [40] Express Root Port (Slot+), MSI 00
  Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
  Capabilities: [90] Subsystem: ASRock Incorporation Device 1e1a
  Capabilities: [a0] Power Management version 2
  Kernel driver in use: pcieport
  Kernel modules: shpchp

00:1c.7 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 8 (rev c4) (prog-if 00 [Normal decode])
  Flags: bus master, fast devsel, latency 0
  Bus: primary=00, secondary=06, subordinate=06, sec-latency=0
  Memory behind bridge: f7c00000-f7cfffff
  Capabilities: [40] Express Root Port (Slot+), MSI 00
  Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
  Capabilities: [90] Subsystem: ASRock Incorporation Device 1e1e
  Capabilities: [a0] Power Management version 2
  Kernel driver in use: pcieport
  Kernel modules: shpchp

00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04) (prog-if 20 [EHCI])
  Subsystem: ASRock Incorporation Device 1e26
  Flags: bus master, medium devsel, latency 0, IRQ 23
  Memory at f7f17000 (32-bit, non-prefetchable) [size=1K]
  Capabilities: [50] Power Management version 2
  Capabilities: [58] Debug port: BAR=1 offset=00a0
  Capabilities: [98] PCI Advanced Features
  Kernel driver in use: ehci_hcd

00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04)
  Subsystem: ASRock Incorporation Device 1e44
  Flags: bus master, medium devsel, latency 0
  Capabilities: [e0] Vendor Specific Information: Len=0c <?>
  Kernel modules: iTCO_wdt

00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] (rev 04) (prog-if 01 [AHCI 1.0])
  Subsystem: ASRock Incorporation Device 1e02
  Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 45
  I/O ports at f0b0 [size=8]
  I/O ports at f0a0 [size=4]
  I/O ports at f090 [size=8]
  I/O ports at f080 [size=4]
  I/O ports at f060 [size=32]
  Memory at f7f16000 (32-bit, non-prefetchable) [size=2K]
  Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
  Capabilities: [70] Power Management version 3
  Capabilities: [a8] SATA HBA v1.0
  Capabilities: [b0] PCI Advanced Features
  Kernel driver in use: ahci

00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04)
  Subsystem: ASRock Incorporation Device 1e22
  Flags: medium devsel, IRQ 11
  Memory at f7f15000 (64-bit, non-prefetchable) [size=256]
  I/O ports at f040 [size=32]
  Kernel modules: i2c-i801

02:00.0 SATA controller: ASMedia Technology Inc. ASM1062 Serial ATA Controller (rev 01) (prog-if 01 [AHCI 1.0])
  Subsystem: ASRock Incorporation Device 0612
  Flags: bus master, fast devsel, latency 0, IRQ 46
  I/O ports at e050 [size=8]
  I/O ports at e040 [size=4]
  I/O ports at e030 [size=8]
  I/O ports at e020 [size=4]
  I/O ports at e000 [size=32]
  Memory at f7e00000 (32-bit, non-prefetchable) [size=512]
  Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit-
  Capabilities: [78] Power Management version 3
  Capabilities: [80] Express Legacy Endpoint, MSI 00
  Capabilities: [100] Virtual Channel
  Kernel driver in use: ahci

03:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57781 Gigabit Ethernet PCIe (rev 10)
  Subsystem: ASRock Incorporation Device 96b1
  Flags: bus master, fast devsel, latency 0, IRQ 16
  Memory at f4210000 (64-bit, prefetchable) [size=64K]
  Memory at f4200000 (64-bit, prefetchable) [size=64K]
  Expansion ROM at f7d00000 [disabled] [size=2K]
  Capabilities: [48] Power Management version 3
  Capabilities: [58] MSI: Enable- Count=1/8 Maskable- 64bit+
  Capabilities: [a0] MSI-X: Enable+ Count=5 Masked-
  Capabilities: [ac] Express Endpoint, MSI 00
  Capabilities: [100] Advanced Error Reporting
  Capabilities: [13c] Device Serial Number 00-00-bc-5f-f4-56-ce-ab
  Capabilities: [150] Power Budgeting <?>
  Capabilities: [160] Virtual Channel
  Kernel driver in use: tg3
  Kernel modules: tg3

04:00.0 PCI bridge: ASMedia Technology Inc. ASM1083/1085 PCIe to PCI Bridge (rev 03) (prog-if 01 [Subtractive decode])
  Flags: bus master, fast devsel, latency 0
  Bus: primary=04, secondary=05, subordinate=05, sec-latency=32
  Prefetchable memory behind bridge: 00000000f0000000-00000000f40fffff
  Capabilities: [c0] Subsystem: ASRock Incorporation Device 1080

05:00.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
  Subsystem: Avermedia Technologies Inc AverTV DVB-T
  Flags: bus master, medium devsel, latency 32, IRQ 17
  Memory at f4001000 (32-bit, prefetchable) [size=4K]
  Capabilities: [44] Vital Product Data
  Capabilities: [4c] Power Management version 2
  Kernel driver in use: bttv
  Kernel modules: bttv

05:00.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
  Subsystem: Avermedia Technologies Inc AVerTV DVB-T
  Flags: bus master, medium devsel, latency 32, IRQ 17
  Memory at f4000000 (32-bit, prefetchable) [size=4K]
  Capabilities: [44] Vital Product Data
  Capabilities: [4c] Power Management version 2
  Kernel driver in use: bt878
  Kernel modules: bt878

05:01.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416) Video Decoder (rev 01)
  Subsystem: Hauppauge computer works Inc. WinTV PVR 150
  Flags: bus master, medium devsel, latency 64, IRQ 18
  Memory at f0000000 (32-bit, prefetchable) [size=64M]
  Capabilities: [44] Power Management version 2
  Kernel driver in use: ivtv
  Kernel modules: ivtv

06:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller (prog-if 30 [XHCI])
  Subsystem: ASRock Incorporation Device 1042
  Flags: bus master, fast devsel, latency 0, IRQ 19
  Memory at f7c00000 (64-bit, non-prefetchable) [size=32K]
  Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
  Capabilities: [68] MSI-X: Enable+ Count=8 Masked-
  Capabilities: [78] Power Management version 3
  Capabilities: [80] Express Legacy Endpoint, MSI 00
  Capabilities: [100] Virtual Channel
  Kernel driver in use: xhci_hcd

答案1

此错误已在以下位置报告：https://bugs.launchpad.net/ubuntu/+source/linux/+bug/883646。

您可以通过点击文本旁边的黄色图标来标记自己受到影响这个错误对你有影响吗？，然后点击是的，这影响到我。

建议采取解决方法这里，建议在启动时将 USB 2.0 设备插入 USB 3.0 端口。

更新：安装新内核的说明。（请参阅评论以了解发布此文章的原因）。

假设：您正在使用 64 位机器。

去http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/并下载以下文件（或直接单击它们）：

然后，安装它们：

sudo dpkg -i linux-headers-3.4.0-030400-generic_3.4.0-030400.201205210521_amd64.deb
sudo dpkg -i linux-headers-3.4.0-030400_3.4.0-030400.201205210521_all.deb
sudo dpkg -i linux-image-3.4.0-030400-generic_3.4.0-030400.201205210521_amd64.deb

欲了解更多信息，请点击这里： http://blog.hostonnet.com/how-to-install-linux-kernel-3-4-0-on-ubuntu-12-04-11-10。

答案2

正如您所写，xhci_hcd 是 USB 3.0 的内核模块（驱动程序），它似乎在其他系统中也会导致类似的问题。也许您应该提交错误报告，因为我没有在您在此处发布的内容中看到任何问题。

答案3

我刚刚连续第二天遇到这个问题，而我的 USB 设备设置没有做任何改变，几个月来它们都运行良好。我发现重启 USB对我来说，这有助于让我的设备重新被内核检测到。

确定控制器的地址：

lspci | grep USB
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05)

在这种情况下，它们是00:14.0、00:1a.0和00:1d.0。您的可能有所不同。

通过地址取消绑定并重新绑定每个控制器：

echo -n "0000:00:14.0" | sudo tee /sys/bus/pci/drivers/xhci_hcd/unbind
echo -n "0000:00:14.0" | sudo tee /sys/bus/pci/drivers/xhci_hcd/bind

在我的例子中，仅对 xHCI 控制器执行此操作就足够了，所有设备都会再次显示lsusb。在分析过程中，我拔掉了几乎所有的 USB 设备，并对带有外部电源的设备进行循环供电，在这种情况下我建议这样做。

显然，由于 USB 无法工作并且所有输入设备可能都是 USB，因此您需要某种类似 SSH 的远程访问。

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