On 26/11/2025 05:26, Ping-Ke Shih wrote: > Hi Bitterblue, > > Bitterblue Smith <[email protected]> wrote: >> On 21/11/2025 13:11, Zenm Chen wrote: >>> Gustavo A. R. Silva <[email protected]> 於 2025年11月21日 週五 下午6:20寫道： >>>> >>>> Hi, >>>> >>>> On 11/21/25 19:06, Zenm Chen wrote: >>>>> Dear maintainers, >>>>> >>>>> With this patch applied, my system always freezes right after the rtl8xxxu >>>>> driver is loaded. is it normal? >>>> >>>> I don't think so... It probably means that struct urb urb; cannot really be >>>> moved to the end of struct rtl8xxxu_rx_urb or struct rtl8xxxu_tx_urb? >>>> >>>> It'd be great if you could share a log. >>>> >>> >>> Hi, >>> >>> Nothing helpful found from the kernel log. Maybe Realtek drivers maintainer >>> Ping-Ke could take a look what is wrong next Monday. >>> >> [...] >> >> I got something. In my case everything seemed fine until I unplugged the >> wifi adapter. And then the system still worked for a few minutes before >> it froze. >> > > Zenm and I tested below changes which can also reproduce the symptom, so > I wonder driver might assume urb is the first member of struct, but > unfortunately I can't find that. Could you also help to review if something > I missed? Thanks. >
Sorry, I didn't find anything either. Maybe someone from linux-usb has an idea? The errors I got are here: https://lore.kernel.org/linux-wireless/[email protected]/ > > --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h > +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h > @@ -1942,15 +1942,19 @@ struct rtl8xxxu_vif { > }; > > struct rtl8xxxu_rx_urb { > + u8 pad[128]; > struct urb urb; > struct ieee80211_hw *hw; > struct list_head list; > }; > > struct rtl8xxxu_tx_urb { > + u8 pad[128]; > struct urb urb; > struct ieee80211_hw *hw; > struct list_head list; > }; > > struct rtl8xxxu_fileops { > >
