[Bug 214789] ehci-hcd.c ISR

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https://bugzilla.kernel.org/show_bug.cgi?id=214789

--- Comment #22 from Scott Arnold (scott.c.arnold@xxxxxxxx) ---
Hello,
This caused problem:
https://patchwork.kernel.org/project/linux-pci/patch/20200214213313.66622-2-sean.v.kelley@xxxxxxxxxxxxxxx/
Scott

-----Original Message-----
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx <bugzilla-daemon@xxxxxxxxxxxxxxxxxxx> 
Sent: Monday, November 1, 2021 2:41 PM
To: Arnold, Scott C. (JSC-CD13)[SGT, INC] <scott.c.arnold@xxxxxxxx>
Subject: [EXTERNAL] [Bug 214789] ehci-hcd.c ISR

https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.kernel.org%2Fshow_bug.cgi%3Fid%3D214789&amp;data=04%7C01%7Cscott.c.arnold%40nasa.gov%7C5df722eafbb3426ea8e708d99d6f8ef1%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637713924742064413%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=hb1Mm3rBbLg%2FUZQIk8WY0Pr%2BSqo9XBRJBLS2vmapYio%3D&amp;reserved=0

--- Comment #20 from Alan Stern (stern@xxxxxxxxxxxxxxxxxxx) --- There were no
significant changes at all to the ehci-hcd driver between 5.6.1 and 5.7.1. 
Which indicates that the cause of the problem lies somewhere else in the
kernel.

At this point, your best approach would be to carry out a git bisect between
those two kernel versions.  Or maybe just between 5.6 and 5.7 (I assume that
5.6 is okay, just like 5.6.1, and 5.7 is bad, just like 5.7.1).  That would let
you identify the exact commit where the problem started.

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