From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: youling257 <youling257@gmail.com>
Cc: gregkh@linuxfoundation.org, hhhuuu@google.com,
linux-usb@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH 2/7] usb: xhci: Check endpoint is valid before dereferencing it
Date: Fri, 24 Feb 2023 12:29:17 +0200 [thread overview]
Message-ID: <b924a240-e03a-af6c-29ea-390c84cde5d5@linux.intel.com> (raw)
In-Reply-To: <20230223162617.31845-1-youling257@gmail.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
next prev parent reply other threads:[~2023-02-24 10:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-16 14:22 [PATCH 0/7] usb and xhci fixes for usb-linus Mathias Nyman
2023-01-16 14:22 ` [PATCH 1/7] xhci-pci: set the dma max_seg_size Mathias Nyman
2023-01-16 14:22 ` [PATCH 2/7] usb: xhci: Check endpoint is valid before dereferencing it Mathias Nyman
2023-01-16 16:59 ` Ladislav Michl
2023-01-17 10:02 ` Mathias Nyman
2023-02-23 16:26 ` youling257
2023-02-24 10:29 ` Mathias Nyman [this message]
2023-02-24 15:58 ` youling 257
2023-02-24 16:03 ` youling 257
2023-01-16 14:22 ` [PATCH 3/7] xhci: Fix null pointer dereference when host dies Mathias Nyman
2023-01-16 14:22 ` [PATCH 4/7] xhci: Add update_hub_device override for PCI xHCI hosts Mathias Nyman
2023-01-16 14:22 ` [PATCH 5/7] xhci: Add a flag to disable USB3 lpm on a xhci root port level Mathias Nyman
2023-01-16 14:22 ` [PATCH 6/7] usb: acpi: add helper to check port lpm capability using acpi _DSM Mathias Nyman
2023-01-16 14:22 ` [PATCH 7/7] xhci: Detect lpm incapable xHC USB3 roothub ports from ACPI tables Mathias Nyman
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