On Sun, Mar 06, 2022 at 04:09:49PM +0000, micklorain wrote: > 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: ... > > 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). > 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. Thank you for sharing. Are you able to compile a kernel and boot it? If so, can you try the following patch? diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 65f7f6b0576c..149742aa5f4d 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3041,6 +3041,13 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S, quirk_msi_intx_disable_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4386, quirk_msi_intx_disable_ati_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4387, quirk_msi_intx_disable_ati_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4388, quirk_msi_intx_disable_ati_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4389, quirk_msi_intx_disable_ati_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x438a, quirk_msi_intx_disable_ati_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x438b, quirk_msi_intx_disable_ati_bug); + DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4390, quirk_msi_intx_disable_ati_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4391, In case it doesn't help, remove 'ati_' part from the function name and try again. -- With Best Regards, Andy Shevchenko
