By the way, i used this patch on linux kernel has been a year, https://lore.kernel.org/all/6908aa69-469b-8f92-8e19-60685f524f9c@xxxxxxxxxxxx/ 2023-02-24 23:58 GMT+08:00, youling 257 <youling257@xxxxxxxxx>: > February 17, when i used linux 6.2-rc8, happen "Abort failed to stop > command ring: -110", google search history February 17 search "Abort > failed to stop command ring: -110" and "Usbreset No such device > found". > > Date: Fri, 17 Feb 2023 23:59:29 +0800 > Subject: [PATCH] Revert "usb: xhci: Check endpoint is valid before > dereferencing it" > This reverts commit e8fb5bc76eb86437ab87002d4a36d6da02165654. > > a week never see usb not work. > may be revert it fix my problem. > > 2023-02-24 18:29 GMT+08:00, Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>: >> On 23.2.2023 18.26, youling257 wrote: >>> I used type-c 20Gbps USB3.2 GEN2x2 PCIe Expansion Card, may be this >>> patch >>> cause USB3.2 GEN2x2 PCIe Expansion Card not work. >>> >>> [ 0.285088] xhci_hcd 0000:09:00.0: hcc params 0x0200ef80 hci version >>> 0x110 quirks 0x0000000000800010 >>> [ 0.285334] usb usb7: We don't know the algorithms for LPM for this >>> host, disabling LPM. >>> [ 0.285347] xhci_hcd 0000:09:00.0: xHCI Host Controller >>> [ 0.285407] hub 7-0:1.0: USB hub found >>> [ 0.285415] hub 7-0:1.0: 4 ports detected >>> [ 0.285783] xhci_hcd 0000:09:00.0: new USB bus registered, assigned >>> bus >>> number 8 >>> [ 0.285787] xhci_hcd 0000:09:00.0: Host supports USB 3.2 Enhanced >>> SuperSpeed >>> [ 0.285889] hub 4-0:1.0: USB hub found >>> [ 0.285901] hub 4-0:1.0: 1 port detected >>> [ 0.285988] usb usb8: We don't know the algorithms for LPM for this >>> host, disabling LPM. >>> [ 3277.156054] xhci_hcd 0000:09:00.0: Abort failed to stop command ring: >>> -110 >>> [ 3277.156091] xhci_hcd 0000:09:00.0: xHCI host controller not >>> responding, >>> assume dead >>> [ 3277.156103] xhci_hcd 0000:09:00.0: HC died; cleaning up >>> >>> may be this patch cause "xhci_hcd 0000:09:00.0: HC died; cleaning up" >>> problem. >> >> Unlikely, this patch only touches code called after HC already died. >> >> Does reverting this patch fix the issue? >> >> Thanks >> Mathias >> >