回复: [edk2-devel] empty USB DVD disk hang Xhci

["gaoliming via groups.io" <gaoliming=byosoft.com.cn@groups.io>]

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Likun:

 This change is good to me.  Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

 

Hao:

 Have you time to review this fix?

 

Thanks

Liming

发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 苏丽坤
发送时间: 2023年7月18日 9:49
收件人: gaoliming@byosoft.com.cn; miki.demeter@intel.com; devel@edk2.groups.io
主题: [edk2-devel] empty USB DVD disk hang Xhci

 

Hi 

    We find a bug in xhci, USB DVD boot with emtpy disk will hang Xhci while Ehci can pass. 

    The hang log is shown as : MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c(1847): TrsRing != ((void *) 0) 

    We suggest a way to solve this bug is shown as: https://github.com/suling-123/edk2 the latest commit,   MdeModulePkg: Solve boot hang xhci driver when use USB DVD with empty disk, 950bc8781d81b96b0c7944e7ac947382b1bc0c06 





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