** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Confirmed
** Changed in: linux (Ubuntu)
Status: In Progress => Confirmed
** Changed in: linux (Ubuntu Bionic)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
** Changed in: linux (Ubuntu)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
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https://bugs.launchpad.net/bugs/1773704
Title:
Typo at line 184 in xhci-pci.c makes trouble for Renesas USB chipset
in Bionic 18.04
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Bionic:
Confirmed
Bug description:
A typo at line 184 in /drivers/usb/host/xhci-pci.c trashes a good fix.
183 if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
184 pdev->device == 0x0014)
185 xhci->quirks |= XHCI_TRUST_TX_LENGTH;
186 if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
187 pdev->device == 0x0015)
188 xhci->quirks |= XHCI_RESET_ON_RESUME;
Line 184 should be identical to line 187, ie: should read pdev->device
== 0x0015)
I've compiled the kernel both with and without the typo. As written,
hundreds of messages fill dmesg suggesting XHCI_TRUST_TX_LENGTH may be
needed when zoneminder tries to access my USB webcams. With the fix
applied as I've suggested the messages disappear.
The typo is still present in 4.15.0-22.24
For more background, you may refer to bug ID #1710548
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