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Date: Thu, 20 Mar 2025 05:55:17 -0700
From: Greg KH <gregkh@linuxfoundation.org>
To: Laura Nao <laura.nao@collabora.com>
Cc: philm@manjaro.org, stable@vger.kernel.org
Subject: Re: 5.10 kernel series fails to build on newer toolchain: FAILED
 unresolved symbol filp_close
Message-ID: <2025032007-symptom-zero-8b17@gregkh>
References: <34d5cd2e-1a9e-4898-8528-9e8c2e32b2a4@manjaro.org>
 <20250320112806.332385-1-laura.nao@collabora.com>
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In-Reply-To: <20250320112806.332385-1-laura.nao@collabora.com>

On Thu, Mar 20, 2025 at 12:28:06PM +0100, Laura Nao wrote:
> Hello,
> 
> On Fri, 14 Mar 2025 16:19:13 +0700, Philip Müller wrote:
> > On 14/3/25 12:39, Greg Kroah-Hartman wrote:
> >> Can you bisect down to the offending commit?
> >> 
> >> And I think I saw kernelci hit this as well, but I don't have an answer
> >> for it...
> >
> > The same kernel compiles fine with the older toolchain. No changes were 
> > made to config nor patch-set when we tried to recompile the 5.10.234 
> > kernel with the newer toolchain. 5.10.235 fails similar to 5.10.234 on 
> > the same toolchain.
> >
> > So maybe a commit is missing, which is present in either 5.4 or 5.15 series.
> 
> KernelCI is now reporting a pass on the stable-rc build (5.10.236-rc1),
> though I was not able to spot exactly what fixed this.

That's good to know, thanks!