Re: next-20250626: WARNING fs jbd2 transaction.c start_this_handle with ARM64_64K_PAGES

[Joseph Qi <jiangqi903@gmail.com>]

On 2025/7/3 15:26, Naresh Kamboju wrote:
> On Thu, 26 Jun 2025 at 19:23, Zhang Yi <yi.zhang@huaweicloud.com> wrote:
>>
>> Hi, Naresh!
>>
>> On 2025/6/26 20:31, Naresh Kamboju wrote:
>>> Regressions noticed on arm64 devices while running LTP syscalls mmap16
>>> test case on the Linux next-20250616..next-20250626 with the extra build
>>> config fragment CONFIG_ARM64_64K_PAGES=y the kernel warning noticed.
>>>
>>> Not reproducible with 4K page size.
>>>
>>> Test environments:
>>> - Dragonboard-410c
>>> - Juno-r2
>>> - rk3399-rock-pi-4b
>>> - qemu-arm64
>>>
>>> Regression Analysis:
>>> - New regression? Yes
>>> - Reproducibility? Yes
>>>
>>> Test regression: next-20250626 LTP mmap16 WARNING fs jbd2
>>> transaction.c start_this_handle
>>>
>>> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
>>
>> Thank you for the report. The block size for this test is 1 KB, so I
>> suspect this is the issue with insufficient journal credits that we
>> are going to resolve.
> 
> I have applied your patch set [1] and tested and the reported
> regressions did not fix.
> Am I missing anything ?
> 
> [1] https://lore.kernel.org/linux-ext4/20250611111625.1668035-1-yi.zhang@huaweicloud.com/
> 

I can also reproduce the similar warning with xfstests generic/730 under
64k page size + 4k block size.

Thanks,
Joseph