By the way, i used this patch on linux kernel has been a year, https://lore.kernel.org/all/6908aa69-469b-8f92-8e19-60685f524f9c@synopsys.co...
2023-02-24 23:58 GMT+08:00, youling 257 youling257@gmail.com:
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@linux.intel.com:
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