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SubjectRe: [PATCH] usb: hub: move resume delay at the head of all USB access functions
Sorry, I just corrected the file permission.

Pan, Harry <harry.pan@intel.com> 於 2019年12月26日 週四 下午12:14寫道:
>
> Hi AceLan,
>
> Would you mind to read this thread and evaluate whether it is helpful or not by kernel downgrade?
> https://bugzilla.kernel.org/show_bug.cgi?id=202541
>
> BTW, would you mind to the shared pcap file permission as well?
>
> -Harry
> ________________________________________
> 從: AceLan Kao [acelan.kao@canonical.com]
> 寄件日期: 2019年12月25日 上午 11:15
> 至: Alan Stern
> 副本: Greg Kroah-Hartman; Kai-Heng Feng; Thinh Nguyen; Pan, Harry; David Heinzelmann; Andrey Konovalov; Nicolas Saenz Julienne; Mathieu Malaterre; linux-usb@vger.kernel.org; Linux-Kernel@Vger. Kernel. Org
> 主旨: Re: [PATCH] usb: hub: move resume delay at the head of all USB access functions
>
> Here[1] are the dmesg and the usbmon log from wireshark, and
> /sys/kernel/debug/usb/usbmon/0u.
>
> I verified this issue on Dell XPS 13 + Dell Salomon WD19 docking
> station(plug-in 3 USB disk on it)
> After s2idle 7 times, 2 usb disks lost. But from wireshark log, the
> packets look normal, no error.
>
> So, I re-do the test again and log the usbmon/0u output, but it's greek to me.
> Hope you can help to find some clues in the logs.
> Thanks.
>
> 1. https://people.canonical.com/~acelan/bugs/usb_issue/

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