On Tue, Jul 14, 2015 at 6:13 AM, Huang Ying wrote: > FYI, we noticed the below changes on > > git://internal_merge_and_test_tree revert-c0d1a18527806a3938e76a0e648cae690510b6a3-c0d1a18527806a3938e76a0e648cae690510b6a3 > commit c0d1a18527806a3938e76a0e648cae690510b6a3 ("PCI: Don't set flags to 0 when assign resource fail") > > > [ 30.350859] EDAC sbridge: Seeking for: PCI ID 8086:6fa0 > [ 30.350867] sbridge_edac 0000:ff:12.0: can't enable device: BAR 1 [mem size 0x00000010 disabled] not assigned > [ 30.350867] EDAC sbridge: Couldn't enable 8086:6fa0 > [ 30.350901] EDAC sbridge: Some needed devices are missing > [ 30.350904] EDAC sbridge: Couldn't find mci handler > Hi Ying, I updated the branch, it should fix the problem. Can you test that again ? BTW, there should be BIOS problem with it. [ 4.144987] pci 0000:ff:12.0: [8086:6fa0] type 00 class 0x088000 [ 4.151702] pci 0000:ff:12.0: reg 0x14: [mem 0x00000000-0x0000000f] [ 4.158703] pci 0000:ff:12.0: reg 0x18: [mem 0x00000000-0x0000003f] [ 4.165705] pci 0000:ff:12.0: reg 0x1c: [mem 0x00000000-0x0000000f] [ 4.172706] pci 0000:ff:12.0: reg 0x20: [mem 0x00000000-0x0000003f] [ 4.179708] pci 0000:ff:12.0: reg 0x24: [mem 0x00000000-0x0000000f] [ 4.186739] pci 0000:ff:12.1: [8086:6f30] type 00 class 0x110100 [ 4.193493] pci 0000:ff:12.4: [8086:6f60] type 00 class 0x088000 [ 4.200208] pci 0000:ff:12.4: reg 0x14: [mem 0x00000000-0x0000000f] [ 4.207210] pci 0000:ff:12.4: reg 0x18: [mem 0x00000000-0x0000003f] [ 4.214212] pci 0000:ff:12.4: reg 0x1c: [mem 0x00000000-0x0000000f] [ 4.221214] pci 0000:ff:12.4: reg 0x20: [mem 0x00000000-0x0000003f] [ 4.228215] pci 0000:ff:12.4: reg 0x24: [mem 0x00000000-0x0000000f] but for bios 0xff, there is no _CRS mmio. also [ 4.876484] pci 0000:7f:1e.3: [Firmware Bug]: reg 0x10: invalid BAR (can't size) so it has silicon problem ? Thanks Yinghai