------- Original Message ------- On Monday, February 28th, 2022 at 21:59, andriy.shevchenko@xxxxxxxxxxxxxxx <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote: > On Mon, Feb 28, 2022 at 08:12:47PM +0000, micklorain wrote: > > > Hi, > > > > This patch breaks USB for me. I noticed when I upgraded from debian's 4.19.0-18 (working) to 5.10.0-10 (broken). I git bisect'ed until I found that this patch is the culprit. Upstream 5.17.0-rc2 is still broken, but 5.17.0-rc2 with this patch reverted works. > > > > lsusb when things work : > > > > https://paste.debian.net/hidden/2a964425/ > > > > lsusb when things are broken : > > > > https://paste.debian.net/hidden/0376920c/ > > > > dmesg when things are broken : > > > > https://paste.debian.net/hidden/780ca112/ > > > > dmesg when things work : > > > > https://paste.debian.net/hidden/4d1bfc0f/ > > > > Let me know if you need anything else from me. > > Thanks for your report! > > Last time I have got something similar it becomes that PCI bridge which is used > > to connect USB controller to the PCI Root Bridge was not capable of MSI, while > > advertising that capability. I.o.w. HW bug. > > To understand if it's something similar, please run (under the root) each of > > the following commands: > > lspci -nk -vvv > > cat /proc/interrupts > > in both cases, i.e. working and non-working. > > And then share the output (all 4 files). > > -- > > With Best Regards, > > Andy Shevchenko Hi, Thanks for your reply. This is the results of the commands you requested : * When things work (commit dcb85f85fa6f142aae1fe86f399d4503d49f2b60 with commit 306c54d0edb6ba94d39877524dddebaad7770cf2 reverted) - lspci -nk -vvv : https://paste.debian.net/hidden/77d92dc9/ - cat /proc/interrupts https://paste.debian.net/hidden/67208c8e/ * When things are broken (commit dcb85f85fa6f142aae1fe86f399d4503d49f2b60) - lspci -nk -vvv : https://paste.debian.net/hidden/121362b3/ - cat /proc/interrupts : https://paste.debian.net/hidden/dbe8d1bb/ Hope this can help. Thanks. Mick Lorain
