Hi yangyinglu, On Wed, Jan 11, 2023 at 11:32 AM yangyinglu <yangyinglu@xxxxxxxxxxx> wrote: > > > > 在 2023/1/11 上午10:33, Kai-Heng Feng 写道: > > Hi yangyinglu, > > > > On Tue, Jan 10, 2023 at 4:20 PM yangyinglu <yangyinglu@xxxxxxxxxxx> wrote: > >> > >> USB-C storage device not detected on USB 3.0 host when > >> plugged in after boot, so need to warm-reset port > > > > Is it possible to enable USB dyndbg, plug a USB 3.0 device, then paste > > the relevant dmesg here? Thanks! > > > > Kai-Heng > > hi, > After entering the system, directly plug and unplug the USB flash > disk. usb control is etron Technology Inc.The log is as follows: > [ 10.354484] radeon 0000:04:00.0: vgaarb: changed VGA decodes: > olddecodes=io+mem,decodes=none:owns=none > [ 10.484794] bridge: filtering via arp/ip/ip6tables is no longer > available by default. Update your scripts to load br_netfilter if you > need this. > [ 10.506968] tun: Universal TUN/TAP device driver, 1.6 > [ 10.514128] virbr0: port 1(virbr0-nic) entered blocking state > [ 10.519858] virbr0: port 1(virbr0-nic) entered disabled state > [ 10.525646] device virbr0-nic entered promiscuous mode > [ 10.666536] virbr0: port 1(virbr0-nic) entered blocking state > [ 10.672268] virbr0: port 1(virbr0-nic) entered listening state > [ 10.748564] virbr0: port 1(virbr0-nic) entered disabled state > > Loongnix GNU/Linux 20 Release 3 loongson-pc ttyS0 > > > loongson-pc login: [ 147.701011] usb usb4-port1: Cannot enable. Maybe > the USB cable is bad? > [ 151.793206] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? > [ 151.799726] usb usb4-port1: attempt power cycle > [ 157.465465] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? > [ 161.557649] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? > [ 161.564167] usb usb4-port1: unable to enumerate USB device > [ 165.641834] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? Is it possible to enable USB dyndbg by adding kernel parameter "usbcore.dyndbg" so we can see the portsc? Kai-Heng > > > > >> > >> Signed-off-by: yangyinglu <yangyinglu@xxxxxxxxxxx> > >> --- > >> drivers/usb/core/hub.c | 2 +- > >> 1 file changed, 1 insertion(+), 1 deletion(-) > >> > >> diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c > >> index 77e73fc8d673..bd4496b80c2d 100644 > >> --- a/drivers/usb/core/hub.c > >> +++ b/drivers/usb/core/hub.c > >> @@ -1159,7 +1159,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) > >> } > >> > >> /* Make sure a warm-reset request is handled by port_event */ > >> - if (type == HUB_RESUME && > >> + if ((type == HUB_RESUME || type == HUB_INIT2) && > >> hub_port_warm_reset_required(hub, port1, portstatus)) > >> set_bit(port1, hub->event_bits); > >> > >> -- > >> 2.20.1 > >> >
