linux-kernel - Re: [PATCH 6.16 000/627] 6.16.1-rc1 review

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Message-ID: <aJy2OVhg4RUYbHHR@stanley.mountain>
Date: Wed, 13 Aug 2025 18:58:49 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Naresh Kamboju <naresh.kamboju@...aro.org>, stable@...r.kernel.org,
	patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
	lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
	f.fainelli@...il.com, sudipm.mukherjee@...il.com,
	srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
	hargar@...rosoft.com, broonie@...nel.org, achill@...ill.org,
	qemu-devel@...gnu.org,
	Alex Bennée <alex.bennee@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Anders Roxell <anders.roxell@...aro.org>,
	Ben Copeland <benjamin.copeland@...aro.org>,
	LTP List <ltp@...ts.linux.it>, chrubis <chrubis@...e.cz>,
	Petr Vorel <pvorel@...e.cz>, Ian Rogers <irogers@...gle.com>,
	linux-perf-users@...r.kernel.org,
	Zhang Yi <yi.zhang@...weicloud.com>,
	Joseph Qi <jiangqi903@...il.com>, Jan Kara <jack@...e.cz>,
	linux-fsdevel@...r.kernel.org,
	linux-ext4 <linux-ext4@...r.kernel.org>,
	Zhang Yi <yi.zhang@...wei.com>, Theodore Ts'o <tytso@....edu>,
	Baokun Li <libaokun1@...wei.com>
Subject: Re: [PATCH 6.16 000/627] 6.16.1-rc1 review

On Wed, Aug 13, 2025 at 04:53:37PM +0200, Greg Kroah-Hartman wrote:
> On Wed, Aug 13, 2025 at 08:01:51PM +0530, Naresh Kamboju wrote:
> > Hi Greg,
> > 
> > > > 2)
> > > >
> > > > The following list of LTP syscalls failure noticed on qemu-arm64 with
> > > > stable-rc 6.16.1-rc1 with CONFIG_ARM64_64K_PAGES=y build configuration.
> > > >
> > > > Most failures report ENOSPC (28) or mkswap errors, which may be related
> > > > to disk space handling in the 64K page configuration on qemu-arm64.
> > > >
> > > > The issue is reproducible on multiple runs.
> > > >
> > > > * qemu-arm64, ltp-syscalls - 64K page size test failures list,
> > > >
> > > >   - fallocate04
> > > >   - fallocate05
> > > >   - fdatasync03
> > > >   - fsync01
> > > >   - fsync04
> > > >   - ioctl_fiemap01
> > > >   - swapoff01
> > > >   - swapoff02
> > > >   - swapon01
> > > >   - swapon02
> > > >   - swapon03
> > > >   - sync01
> > > >   - sync_file_range02
> > > >   - syncfs01
> > > >
> > > > Reproducibility:
> > > >  - 64K config above listed test fails
> > > >  - 4K config above listed test pass.
> > > >
> > > > Regression Analysis:
> > > > - New regression? yes
> > >
> > > Regression from 6.16?  Or just from 6.15.y?
> > 
> > Based on available data, the issue is not present in v6.16 or v6.15.
> > 
> > Anders, bisected this regression and found,
> > 
> >   ext4: correct the reserved credits for extent conversion
> >     [ Upstream commit 95ad8ee45cdbc321c135a2db895d48b374ef0f87 ]
> > 
> > Report lore link,
> > 
> > https://lore.kernel.org/stable/CA+G9fYtBnCSa2zkaCn-oZKYz8jz5FZj0HS7DjSfMeamq3AXqNg@mail.gmail.com/
> 
> Great, and that's also affecting 6.17-rc1 so we are "bug compatible"?
> :)

Lol.

regards,
dan carpenter