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Message-ID: <20110418184808.GA7194@xanatos> Date: Mon, 18 Apr 2011 11:48:08 -0700 From: Sarah Sharp <sarah.a.sharp@...ux.intel.com> To: CAI Qian <caiqian@...hat.com> Cc: linux-usb@...r.kernel.org, Don Zickus <dzickus@...hat.com>, kexec@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: kdump regression related to usb3 hub update CAI, the hubs-v3-rebase branch is no longer up-to-date. You should just use Greg's usb-linus branch instead. (The patches went through a couple revs after the hubs-v3-rebase branch was abandoned.) I'll be cleaning out my xHCI branches shortly. Sarah Sharp On Thu, Mar 17, 2011 at 05:21:29AM -0400, CAI Qian wrote: > Hello Sarah and others, > > There is a regression using the latest Sarah's xhci hubs-v3-rebase tree, kdump kernel reset itself (log at the end of email). The first kernel also setup using IOMMU (intel_iommu=on). Removed intel_iommu=on from the kdump kernel parameter alone did not solve the problem. This is only reproducible when the first kernel is using IOMMU. > > My environment setup is: > > PCI-E card -> USB3 Disk > -> USB3 Hub -> USB3 Disk > -> USB2 Hub -> USB2 Disk > > I have been identified one or a few of the following patches caused the problem but need more time to narrow it down. > > 288ead45fa6637e959015d055304f521cbbc0575 > USB: remove bogus USB_PORT_FEAT_*_SPEED symbols > > 0eadcc09203349b11ca477ec367079b23d32ab91 > usb: USB3.0 ch11 definitions > > b1a72b70bbb82237b1041c78edee305503f6da31 > USB: Remove bitmap #define from hcd.h > > 50e6c947c6340f7ba81deca99e8a37f458a00e49 > USB: Fix usb_add_hcd() checkpatch errors. > > 0abde136582234dd720270ec3d5aeba69eae4d03 > xhci: Rework port suspend structures for limited ports. > > 8c0d6f920004f065c2571f32b7c28e7f850e9810 > xhci: Rename variables and reduce register reads. > > ba764f4b37e2bcce069f6c9d96b8374ee85257ed > USB 3.0 Hub Changes > > Loading usb-storage.ko module > Initializing USB Mass Storage driver... > usbcore: registered new interface driver usb-storage > USB Mass Storage support registered. > Waiting 8 seconds for driver initialization. > usb 7-1: New USB device found, idVendor=046d, idProduct=08af > usb 7-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > usb 7-2: new low speed USB device number 3 using uhci_hcd > usb 7-2: New USB device found, idVendor=0624, idProduct=0307 > usb 7-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 7-2: Product: Avocent DSRIQ-USB > usb 7-2: Manufacturer: Avocent > input: Avocent Avocent DSRIQ-USB as /devices/pci0000:00/0000:00:1d.2/usb7/7-2/7-2:1.0/input/input1 > generic-usb 0003:0624:0307.0001: input,hidraw0: USB HID v1.10 Keyboard [Avocent Avocent DSRIQ-USB] on usb-0000:00:1d.2-2/input0 > input: Avocent Avocent DSRIQ-USB as /devices/pci0000:00/0000:00:1d.2/usb7/7-2/7-2:1.1/input/input2 > generic-usb 0003:0624:0307.0002: input,hidraw1: USB HID v1.10 Mouse [Avocent Avocent DSRIQ-USB] on usb-0000:00:1d.2-2/input1 > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.0] fault addr ffbfb000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > Loading mii.ko module > Loading v4l2-compat-ioctl32.ko module > Loading mmicrocode: CPU0 sig=0x206c2, pf=0x1, revision=0xc > icrocode.ko module > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.0] fault addr ffbfa000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.0] fault addr ffbf9000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr ffbf8000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 402 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 502 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 602 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 702 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 2 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 102 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 202 > DMAR:[DMA Write] Request device [0b:00.1] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > DRHD: handling fault status reg 302 > DMAR:[DMA Write] Request device [0b:00.0] fault addr fffff000 > DMAR:[fault reason 01] Present bit in root entry is clear > <reset> > Initializing cgroup subsys cpuset > Linux version 2.6.38-rc5+ .... > > Thanks. > > CAI Qian > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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