[Bug 214789] ehci-hcd.c ISR

[bugzilla-daemon@bugzilla.kernel.org]

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

--- Comment #21 from Scott Arnold (scott.c.arnold@nasa.gov) ---
Hello,
I noticed there was not much diff in drivers/usb using meld on 5.6.1 and 5.7.1.
Git not easy due to network restrictions.
I am going to see if 4.8.5 compiler vs 8.3.1 makes any difference.
Also going to check and see if any bios settings could re-arrange the IRQ's to
work around problem.
Thanks
Scott


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

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--- Comment #20 from Alan Stern (stern@rowland.harvard.edu) --- 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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