Re: Unhandled fault: imprecise external abort (0x1406) when loading xhci_pci.ko - uPD720202, PEX8605, iMX6Q and linux-4.19.25

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On Thu, Aug 22, 2019 at 11:18:44AM +0200, Fawad Lateef wrote:

> In all crash cases (when loading/unloading the driver); system stays
> response, so I can look into any possible device status using PCIe
> registers of PEX8605 switch or iMX6 PCIe root hub. Please suggest if
> something I can check to better understand the issue.

You could collect the output of "sudo lspci -vvxxx" and see if the
switch or root port logged any errors.  Collect it before and after
the crash and compare the two.

Bjorn



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