linux-kernel - Re: [PATCH] USB: Fix the issue of task recovery failure caused by USB status when S4 wakes up

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <e795d88afb2b485fab97e2be7759664e823fbfad.camel@kylinos.cn>
Date: Wed, 16 Oct 2024 17:06:24 +0800
From: duanchenghao <duanchenghao@...inos.cn>
To: "Gopal, Saranya" <saranya.gopal@...el.com>, Alan Stern
	 <stern@...land.harvard.edu>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Hongyu Xie
 <xy521521@...il.com>,  "gregkh@...uxfoundation.org"
 <gregkh@...uxfoundation.org>, "linux-kernel@...r.kernel.org"
 <linux-kernel@...r.kernel.org>, "linux-pm@...r.kernel.org"
 <linux-pm@...r.kernel.org>, "linux-usb@...r.kernel.org"
 <linux-usb@...r.kernel.org>, "niko.mauno@...sala.com"
 <niko.mauno@...sala.com>,  "pavel@....cz" <pavel@....cz>,
 "stanley_chang@...ltek.com" <stanley_chang@...ltek.com>,  "tj@...nel.org"
 <tj@...nel.org>, Hongyu Xie <xiehongyu1@...inos.cn>
Subject: Re: [PATCH] USB: Fix the issue of task recovery failure caused by
 USB status when S4 wakes up

Hi Saranya,

在 2024-10-16星期三的 08:57 +0000，Gopal, Saranya写道：
> Hi Duan Chenghao,
> 
> > -----Original Message-----
> > From: duanchenghao <duanchenghao@...inos.cn>
> > Sent: Monday, October 14, 2024 7:11 AM
> > To: Alan Stern <stern@...land.harvard.edu>; Gopal, Saranya
> > <saranya.gopal@...el.com>
> > Cc: Rafael J. Wysocki <rafael@...nel.org>; Hongyu Xie
> > <xy521521@...il.com>; gregkh@...uxfoundation.org; linux-
> > kernel@...r.kernel.org; linux-pm@...r.kernel.org; linux-
> > usb@...r.kernel.org; niko.mauno@...sala.com; pavel@....cz;
> > stanley_chang@...ltek.com; tj@...nel.org; Hongyu Xie
> > <xiehongyu1@...inos.cn>
> > Subject: Re: [PATCH] USB: Fix the issue of task recovery failure
> > caused
> > by USB status when S4 wakes up
> > 
> > 在 2024-10-12星期六的 11:01 -0400，Alan Stern写道：
> > Hi Saranya,
> > 
> > > On Sat, Oct 12, 2024 at 05:51:41PM +0800, duanchenghao wrote:
> > > > 
> > > > Hi Alan,
> > > > 
> > > > The V3 patch has been sent. Please review it to check if it
> > > > aligns
> > > > with
> > > > the solution you described.
> > > 
> > > Yes, that is what I meant.
> > > 
> > > Have you and all the other people at kylinos.cn tested the patch
> > > to
> > > make
> > > sure that it fixes the problem?
> > > 
> > > Alan Stern
> > 
> > If you have time, you can arrange to test your issue using the V3
> > version. This way, we can jointly verify whether the problem has
> > been
> > resolved.
> > 
> My testing completed today.
> I couldn't reproduce the issue when I ran 1500 S4 cycles with v3
> version of your patch.
> The issue was anyway rare before with an occurrence rate of 20/1500
> cycles in our system.
> So, please conclude after verifying from your side also.
> 

Thank you very much for your verification. I am currently conducting
parallel testing on multiple machines, and the results should be
available soon as well.

Thanks,
Duan Chenghao

> Thanks,
> Saranya
> 
> > Thanks
> > Duan Chenghao
> > 
> > 
>