[Bug 219198] usb on Dell WD19TB Thunderbolt Dock stop working

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=219198

--- Comment #22 from Paul Menzel (pmenzel+bugzilla.kernel.org@molgen.mpg.de) ---
(In reply to The Linux kernel's regression tracker (Thorsten Leemhuis) from
comment #4)
> Do you run "powertop --auto-tune" somewhere? Then it might be related to
> https://lore.kernel.org/all/be791564-ccca-4dd5-915f-aa32b2482817@molgen.mpg.
> de/

(In reply to Markus Rathgeb from comment #15)
> I found the commit that initially break the USB on second connect.
> 
> [2b989ab9bc89b29dd4b5509408b8fa42337eda56] iommu/vt-d: Add helper to
> allocate paging domain

At least with the commit reverted the Dell DA300z adapter still disconnected,
so my problem seems to be a *different* one.

    $ git log --no-decorate --oneline -2
    43275d604d974 Revert "iommu/vt-d: Add helper to allocate paging domain"
    86987d84b968b Merge tag 'v6.11-rc5-client-fixes' of
git://git.samba.org/sfrench/cifs-2.6
    $ sudo dmesg
    [    0.000000] Linux version 6.11.0-rc5-00058-g43275d604d97
(build@bohemianrhapsody.molgen.mpg.de) (gcc (Debian 13.3.0-2) 13.3.0, GNU ld
(GNU Binutils for Debian) 2.42.50.20240710) #289 SMP PREEMPT_DYNAMIC Wed Aug 28
15:29:09 CEST 2024
    [    0.000000] Command line:
BOOT_IMAGE=/vmlinuz-6.11.0-rc5-00058-g43275d604d97
root=UUID=32e29882-d94d-4a92-9ee4-4d03002bfa29 ro quiet pci=noaer
mem_sleep_default=deep log_buf_len=8M cryptomgr.notests
    […]
    [ 7951.874589] usb 4-1: reset SuperSpeed Plus Gen 2x1 USB device number 2
using xhci_hcd
    [ 7952.369334] r8152-cfgselector 4-1.2: USB disconnect, device number 3
    [ 7952.542017] usb 4-1: reset SuperSpeed Plus Gen 2x1 USB device number 2
using xhci_hcd

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