On 3/29/2017 4:16 PM, Patel, Mayurkumar wrote: > Actually, I have taken same patches of yours which proposed and applied it correctly. Will try it with clean > build if that helps. > > But what I could understand from following patch is https://patchwork.codeaurora.org/patch/207653/ > > We still have a flow of pci_aspm_init() -> alloc_pcie_link_state() -> pci_function_0() > Where I see the first Kernel NULL pointer crash while accessing pdev->subordinate in pci_function_0() function. OK. It looks like somebody moved function_0 call around. I was looking at 4.11-rc1. 3bd7db63a841e8c5297bb18ad801df67d5e38ad2 (PCI/ASPM: Always set link->downstream to avoid NULL dereference on remove) I see the change in 4.11-rc3 now. Let me see what's going on. -- 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.