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Groups > linux.kernel > #1695953 > unrolled thread
| Started by | Alan Stern <stern@rowland.harvard.edu> |
|---|---|
| First post | 2017-07-25 19:10 +0200 |
| Last post | 2017-07-25 19:10 +0200 |
| Articles | 1 — 1 participant |
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Re: USB disk speed regression WD Elements - with bisect result 22547c4cc4fe20698a6a85a55b8788859134b8e4 Alan Stern <stern@rowland.harvard.edu> - 2017-07-25 19:10 +0200
| From | Alan Stern <stern@rowland.harvard.edu> |
|---|---|
| Date | 2017-07-25 19:10 +0200 |
| Subject | Re: USB disk speed regression WD Elements - with bisect result 22547c4cc4fe20698a6a85a55b8788859134b8e4 |
| Message-ID | <u7bvk-5B8-9@gated-at.bofh.it> |
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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