Re: [PATCH V7 08/11] drivers: acpi: Handle IOMMU lookup failure with deferred probing or error

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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.

/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 #



-- 
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.
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