On Fri, 25 Jul 2025 19:32:37 +0800, Su Hui wrote: > On 2025/7/25 18:03, Michał Pecio wrote: > >> Hmm, any chance you came across bugs that upstream should know about? > Actually, this bug is specific to the 5.4 version of the kernel and a > particular USB camera. I am working > to resolve this issue. When the xhci_hcd is initialized, the driver sets > xhc_state to "halted", but before > the xhci_hcd calls xhci_start, the hub starts Initializing. Hub > initialization failed due to xhc_state being > halted. Perhaps this issue is caused by hardware... Trying to queue commands before the chip is ready sounds like a SW bug. 5.4 is ancient (and EOL soon), newer releases may have this bug fixed.
