[Bug 221073] xHCI host controller dies on resume from s2idle on AMD Strix Halo [1022:1587]

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=221073

--- Comment #26 from David Hubbard (david.c.hubbard@gmail.com) ---
Created attachment 309532
  --> https://bugzilla.kernel.org/attachment.cgi?id=309532&action=edit
comment25-cap03.tgz

Ok tried it again:

Cap3:

# free
               total        used        free      shared  buff/cache  
available
Mem:        32636916     3709384    27486748       37088     1822492   
28927532
Swap:              0           0           0
# (this shows 32GB free because the BIOS setting is iGPU = custom, iGPU memory
= 96GB)
# echo "module xhci_hcd +p" >/proc/dynamic_debug/control
# systemctl suspend
# (wait 2 minutes, press spacebar, get this in dmesg)
[  183.231723] xhci_hcd 0000:c2:00.4: xHCI host controller not responding,
assume dead
# (unplug usb hub from c2:00.4 and plug it into c4:00.0, keyboard and mouse
alive again)
# cd /; find sys/kernel/debug/usb/xhci/0000\:c2\:00.4 -type f | while read a;
do echo "$a"; mkdir -p "/home/user/c/$(dirname "$a")"; cp "$a"
"/home/user/c/$a"; done
sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/FS_BW
cp: error reading
'sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/FS_BW': Cannot send
after transport endpoint shutdown
sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/HS_BW
cp: error reading
'sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/HS_BW': Cannot send
after transport endpoint shutdown
sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/SS_BW
cp: error reading
'sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/SS_BW': Cannot send
after transport endpoint shutdown
sys/kernel/debug/usb/xhci/0000:c2:00.4/ports/port01/portsc
sys/kernel/debug/usb/xhci/0000:c2:00.4/ports/port02/portsc
sys/kernel/debug/usb/xhci/0000:c2:00.4/event-ring/trbs
sys/kernel/debug/usb/xhci/0000:c2:00.4/event-ring/cycle
sys/kernel/debug/usb/xhci/0000:c2:00.4/event-ring/dequeue
sys/kernel/debug/usb/xhci/0000:c2:00.4/event-ring/enqueue
sys/kernel/debug/usb/xhci/0000:c2:00.4/command-ring/trbs
sys/kernel/debug/usb/xhci/0000:c2:00.4/command-ring/cycle
sys/kernel/debug/usb/xhci/0000:c2:00.4/command-ring/dequeue
sys/kernel/debug/usb/xhci/0000:c2:00.4/command-ring/enqueue
sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-ext-dbc:00
sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-ext-protocol:01
sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-ext-protocol:00
sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-ext-legsup:00
sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-runtime
sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-op
sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-cap
# dmesg | gzip > dmesg03.gz

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