Messages in this thread | | | Date | Tue, 25 Jul 2017 13:02:30 -0400 (EDT) | From | Alan Stern <> | Subject | Re: USB disk speed regression WD Elements - with bisect result 22547c4cc4fe20698a6a85a55b8788859134b8e4 |
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On Tue, 25 Jul 2017, Zdenek Kabelac wrote:
> And in fact it's the very same commit - which adds this message > (just check current 4.13 with and without this commit reverted) > > So here goes usbmon trace (aka 'cat /sys/kernel/debug/usb/usbmon/0u') > no other usb device has been touch so should not hopefully interfere here. > > Trace is from 4.12 kernel - so it has reported "not running at top speed"
Can you collect an equivalent trace under 4.8?
Alan Stern
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