linux-kernel - Re: [PATCH v4 00/30] NT synchronization primitive driver

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Date: Fri, 19 Apr 2024 15:46:07 -0500
From: Elizabeth Figura <zfigura@...eweavers.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: wine-devel@...ehq.org, Arnd Bergmann <arnd@...db.de>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Jonathan Corbet <corbet@....net>, Shuah Khan <shuah@...nel.org>,
 linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
 André Almeida <andrealmeid@...lia.com>,
 Wolfram Sang <wsa@...nel.org>, Andy Lutomirski <luto@...nel.org>,
 linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org,
 Randy Dunlap <rdunlap@...radead.org>, Ingo Molnar <mingo@...hat.com>,
 Will Deacon <will@...nel.org>, Waiman Long <longman@...hat.com>,
 Boqun Feng <boqun.feng@...il.com>
Subject: Re: [PATCH v4 00/30] NT synchronization primitive driver

On Friday, 19 April 2024 11:16:11 CDT Peter Zijlstra wrote:
> On Tue, Apr 16, 2024 at 05:18:56PM -0500, Elizabeth Figura wrote:
> > On Tuesday, 16 April 2024 16:18:24 CDT Elizabeth Figura wrote:
> > > On Tuesday, 16 April 2024 03:14:21 CDT Peter Zijlstra wrote:
> > > > I don't support GE has it in his builds? Last time I tried, building
> > > > Wine was a bit of a pain.
> > > 
> > > It doesn't seem so. I tried to build a GE-compatible ntsync build, uploaded
> > > here (thanks Arek for hosting):
> > > 
> > >     https://f002.backblazeb2.com/file/wine-ntsync/ntsync-wine.tar.xz
> > 
> > Oops, the initial version I uploaded had broken paths. Should be fixed now.
> > 
> > (It's also broken on an unpatched kernel unless explicitly disabled with 
> > WINE_DISABLE_FAST_SYNC=1. Not sure what I messed up there—it should fall back 
> > cleanly—but hopefully shouldn't be too important for testing.)
> 
> So I've tried using that wine build with lutris, and I can't get it to
> start EGS or anything else.
> 
> I even added a printk to the ntsync driver for every open, to see if it
> gets that far, but I'm not even getting that :/

That's odd, it works for me, both as a standalone build and with
lutris...

Does /dev/ntsync exist (module is loaded) and have nonzero permissions?
I forgot to mention that's necessary, sorry.

Otherwise I can try to look at an strace, or a Wine debug log. I don't
think there's an easy way to get the latter with Lutris, but something
like `WINEDEBUG=+all ./wine winecfg 2>log` should work.