at 16:47 on Thu 18-Aug-2022 Greg Kroah-Hartman (gregkh@xxxxxxxxxxxxxxxxxxx) wrote: > [Adding in linux-usb@vger] > > > On Thu, Aug 18, 2022 at 03:36:44PM +0100, Alan J. Wylie wrote: > > > > Apologies for the delay in reporting this: I messed up my first attempt at > > bisecting, then I've spent a week going to, enjoying, returning from and > > recovering from a music festival. > > > > Up to and including 5.18.18 things are fine. With 5.19.0 (and .1 and .2) I see > > lots of errors and hangs on the USB2 chipset, e.g. > > > > $ grep "usb 9-4" dmesg.5.19.2 > > [ 6.669075] usb 9-4: new full-speed USB device number 2 using ohci-pci > > [ 6.829087] usb 9-4: device descriptor read/64, error -32 > > [ 7.097094] usb 9-4: device descriptor read/64, error -32 > > [ 7.361087] usb 9-4: new full-speed USB device number 3 using ohci-pci > > [ 7.521152] usb 9-4: device descriptor read/64, error -32 > > [ 7.789066] usb 9-4: device descriptor read/64, error -32 > > [ 8.081070] usb 9-4: new full-speed USB device number 4 using ohci-pci > > [ 8.497138] usb 9-4: device not accepting address 4, error -32 > > [ 8.653140] usb 9-4: new full-speed USB device number 5 using ohci-pci > > [ 9.069141] usb 9-4: device not accepting address 5, error -32 > > $ > > > > $ grep "usb 1-2" dmesg.5.19.2 > > [ 5.917102] usb 1-2: new high-speed USB device number 2 using ehci-pci > > [ 6.277076] usb 1-2: device descriptor read/64, error -71 > > [ 6.513143] usb 1-2: device descriptor read/64, error -32 > > [ 6.753146] usb 1-2: new high-speed USB device number 3 using ehci-pci > > [ 6.881143] usb 1-2: device descriptor read/64, error -32 > > [ 7.117144] usb 1-2: device descriptor read/64, error -32 > > [ 7.429141] usb 1-2: new high-speed USB device number 4 using ehci-pci > > [ 7.845134] usb 1-2: device not accepting address 4, error -32 > > [ 7.977142] usb 1-2: new high-speed USB device number 5 using ehci-pci > > [ 8.393158] usb 1-2: device not accepting address 5, error -32 > > $ > > > > the USB port is then no longer usable > > > > This is not reproducible on the other chipset (USB3) on this machine, > > nor on two other systems. Swapping USB cables doesn't help. > > > > I have bisected it to > > > > $ git bisect bad > > 78013eaadf696d2105982abb4018fbae394ca08f is the first bad commit > > commit 78013eaadf696d2105982abb4018fbae394ca08f > > Author: Christoph Hellwig <hch@xxxxxx> > > Date: Mon Feb 14 14:11:44 2022 +0100 > > > > x86: remove the IOMMU table infrastructure > > > > however it will not easily revert > > > > I'll be more than happy to assist with any debugging/testing. > > > > $ git revert 78013eaadf696d2105982abb4018fbae394ca08f > > Auto-merging arch/x86/include/asm/dma-mapping.h > > CONFLICT (content): Merge conflict in arch/x86/include/asm/dma-mapping.h > > Auto-merging arch/x86/include/asm/iommu.h > > Auto-merging arch/x86/include/asm/xen/swiotlb-xen.h > > Auto-merging arch/x86/kernel/Makefile > > Auto-merging arch/x86/kernel/pci-dma.c > > CONFLICT (content): Merge conflict in arch/x86/kernel/pci-dma.c > > Auto-merging arch/x86/kernel/vmlinux.lds.S > > Auto-merging drivers/iommu/amd/init.c > > Auto-merging drivers/iommu/amd/iommu.c > > CONFLICT (content): Merge conflict in drivers/iommu/amd/iommu.c > > Auto-merging drivers/iommu/intel/dmar.c > > error: could not revert 78013eaadf69... x86: remove the IOMMU table infrastructure > > > > # dmidecode | grep -A2 "^Base Board" > > Base Board Information > > Manufacturer: Gigabyte Technology Co., Ltd. > > Product Name: 970A-DS3P > > # > > > > # lspci -nn | grep -i usb > > 00:12.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397] > > 00:12.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396] > > 00:13.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397] > > 00:13.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396] > > 00:14.5 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI2 Controller [1002:4399] > > 00:16.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397] > > 00:16.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396] > > 02:00.0 USB controller [0c03]: VIA Technologies, Inc. VL805/806 xHCI USB 3.0 Controller [1106:3483] (rev 01) > > So this only happens with the on-board USB 2 controller? That is correct > This is odd, I would not expect one PCI controller to work, but the > other one not. > > > > # > > > > # lspci -v -s 00:12 > > 00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller (prog-if 10 [OHCI]) > > Subsystem: Gigabyte Technology Co., Ltd GA-880GMA-USB3 > > Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 18 > > Memory at fe50a000 (32-bit, non-prefetchable) [size=4K] > > Kernel driver in use: ohci-pci > > Kernel modules: ohci_pci > > 00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller (prog-if 20 [EHCI]) > > Subsystem: Gigabyte Technology Co., Ltd GA-880GMA-USB3 > > Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 17 > > Memory at fe509000 (32-bit, non-prefetchable) [size=256] > > Capabilities: [c0] Power Management version 2 > > Capabilities: [e4] Debug port: BAR=1 offset=00e0 > > Kernel driver in use: ehci-pci > > Kernel modules: ehci_pci > > # > > What is the output of the lspci -v for the USB 3 controller? # lspci -v -s 02:00 02:00.0 USB controller: VIA Technologies, Inc. VL805/806 xHCI USB 3.0 Controller (rev 01) (prog-if 30 [XHCI]) Subsystem: Gigabyte Technology Co., Ltd VL805/806 xHCI USB 3.0 Controller Flags: bus master, fast devsel, latency 0, IRQ 36 Memory at fe400000 (64-bit, non-prefetchable) [size=4K] Capabilities: [80] Power Management version 3 Capabilities: [90] MSI: Enable+ Count=1/4 Maskable- 64bit+ Capabilities: [c4] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Kernel driver in use: xhci_hcd Kernel modules: xhci_pci > > Christoph, any ideas? > > thanks, > > greg k-h -- Alan J. Wylie https://www.wylie.me.uk/ Dance like no-one's watching. / Encrypt like everyone is. Security is inversely proportional to convenience
