Messages in this thread | | | Subject | Re: USB disk speed regression WD Elements - with bisect result 22547c4cc4fe20698a6a85a55b8788859134b8e4 | From | Zdenek Kabelac <> | Date | Tue, 25 Jul 2017 19:46:28 +0200 |
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Dne 25.7.2017 v 19:02 Alan Stern napsal(a): > 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 >
Hi
Sure - no pb.
Just attached & detached USB disk in this trace
Zdenek
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