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Re: port-evbarm/53503: dwctwo(4) panic triggered by usmsc(4) only in aarch64 mode
The following reply was made to PR port-evbarm/53503; it has been noted by GNATS.
From: Rin Okuyama <rokuyama%rk.phys.keio.ac.jp@localhost>
Subject: Re: port-evbarm/53503: dwctwo(4) panic triggered by usmsc(4) only in
Date: Wed, 8 Aug 2018 17:01:53 +0900
We still need the workaround after this commit.
On 2018/08/08 16:20, Simon Burge wrote:
> Module Name: src
> Committed By: simonb
> Date: Wed Aug 8 07:20:44 UTC 2018
> Modified Files:
> src/sys/external/bsd/dwc2/dist: dwc2_core.h dwc2_hcd.c dwc2_hcd.h
> dwc2_hcdintr.c dwc2_hcdqueue.c
> Log Message:
> to mitigate USB NAK interrupt storms, with an extra change from
> skrll@ to also mitigate interrupt storms on the non-split case with
> older DWC2 cores.
> Fixes woeful USB disk performance on an ERLITE.
> Much thanks to skrll@ for pointer to the above patch, handling the
> non-split case and testing.
> To generate a diff of this commit:
> cvs rdiff -u -r1.8 -r1.9 src/sys/external/bsd/dwc2/dist/dwc2_core.h
> cvs rdiff -u -r1.20 -r1.21 src/sys/external/bsd/dwc2/dist/dwc2_hcd.c
> cvs rdiff -u -r1.14 -r1.15 src/sys/external/bsd/dwc2/dist/dwc2_hcd.h \
> cvs rdiff -u -r1.13 -r1.14 src/sys/external/bsd/dwc2/dist/dwc2_hcdintr.c
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.
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