https://bugzilla.kernel.org/show_bug.cgi?id=215906 --- Comment #27 from Rolf Reintjes (lists.rolf@xxxxxxxxxxxx) --- (In reply to Michał Pecio from comment #26) > Honestly, I don't know what's the problem. Maybe as a last ditch effort try > dynamic debug, if your kernel supports it: > > echo 'func xhci_dbg_trace +p' >/proc/dynamic_debug/control > rmmod xhci-pci > modprobe xhci-pci > echo 'func xhci_dbg_trace -p' >/proc/dynamic_debug/control > dmesg |grep 'page size' > [ 262.117753] xhci_hcd 0000:08:00.0: Supported page size register = 0x1 > [ 262.117755] xhci_hcd 0000:08:00.0: Supported page size of 8K > [ 262.117756] xhci_hcd 0000:08:00.0: HCD page size set to 4K > > BTW, don't worry about that 8K, this value is incorrectly calculated and > then completely ignored. rolf@i7-5820K-debian-testing1:~$ sudo dmesg |grep 'page size' [ 0.189774] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 0.189774] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 225.577885] xhci_hcd 0000:00:14.0: Supported page size register = 0x1 [ 225.577887] xhci_hcd 0000:00:14.0: Supported page size of 8K [ 225.577888] xhci_hcd 0000:00:14.0: HCD page size set to 4K [ 225.584545] xhci_hcd 0000:05:00.0: Supported page size register = 0x1 [ 225.584547] xhci_hcd 0000:05:00.0: Supported page size of 8K [ 225.584548] xhci_hcd 0000:05:00.0: HCD page size set to 4K [ 225.648450] xhci_hcd 0000:06:00.0: Supported page size register = 0x1 [ 225.648452] xhci_hcd 0000:06:00.0: Supported page size of 8K [ 225.648453] xhci_hcd 0000:06:00.0: HCD page size set to 4K -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.