On 1/30/2017 7:22 AM, Robin Murphy wrote: > On 29/01/17 17:53, Sinan Kaya wrote: >> On 1/24/2017 7:37 AM, Lorenzo Pieralisi wrote: >>> [+hanjun, tomasz, sinan] >>> >>> It is quite a key patchset, I would be glad if they can test on their >>> respective platforms with IORT. >>> >> >> Tested on top of 4.10-rc5. >> >> 1. Platform Hidma device passed dmatest >> 2. Seeing some USB stalls on a platform USB device. >> 3. PCIe NVME drive probed and worked fine with MSI interrupts after boot. >> 4. NVMe driver didn't probe following a hotplug insertion and received an >> SMMU error event during the insertion. > > What was the SMMU error - a translation/permission fault (implying the > wrong DMA ops) or a bad STE fault (implying we totally failed to tell > the SMMU about the device at all)? > root@ubuntu:/sys/bus/pci/slots/4# echo 0 > power [__204.698522]_iommu:_Removing_device_0003:01:00.0_from_group_0 [ 204.708704] pciehp 0003:00:00.0:pcie004: Slot(4): Link Down [ 204.708723] pciehp 0003:00:00.0:pcie004: Slot(4): Link Down event ignored; already powering off root@ubuntu:/sys/bus/pci/slots/4# [__254.820440]_iommu:_Adding_device_0003:01:00.0_to_group_8 [ 254.820599] nvme nvme0: pci function 0003:01:00.0 [ 254.820621] nvme 0003:01:00.0: enabling device (0000 -> 0002) [ 261.948558] arm-smmu-v3 arm-smmu-v3.0.auto: event 0x0a received: [ 261.948561] arm-smmu-v3 arm-smmu-v3.0.auto: 0x000001000000000a [ 261.948563] arm-smmu-v3 arm-smmu-v3.0.auto: 0x0000000000000000 [ 261.948564] arm-smmu-v3 arm-smmu-v3.0.auto: 0x0000000000000000 [ 261.948566] arm-smmu-v3 arm-smmu-v3.0.auto: 0x0000000000000000 root@ubuntu:/sys/bus/pci/slots/4# root@ubuntu:/sys/bus/pci/slots/4#ls /dev/nvme* /dev/nvme0 I should have seen /dev/nvme0n1 partition here. > Robin. > >> >> /sys/bus/pci/slots/4 # >> /sys/bus/pci/slots/4 # dmesg | grep nvme >> [ 14.041357] nvme nvme0: pci function 0003:01:00.0 >> [ 198.399521] nvme nvme0: pci function 0003:01:00.0 >> [__198.416232]_nvme_0003:01:00.0:_enabling_device_(0000_->_0002) >> [ 264.402216] nvme nvme0: I/O 228 QID 0 timeout, disable controller >> [ 264.402313] nvme nvme0: Identify Controller failed (-4) >> [ 264.421270] nvme nvme0: Removing after probe failure status: -5 >> /sys/bus/pci/slots/4 # >> >> >> > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
