From: Thomas Backlund <tmb@tmb.nu>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Guenter Roeck <linux@roeck-us.net>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
torvalds@linux-foundation.org, akpm@linux-foundation.org,
shuah@kernel.org, patches@kernelci.org,
lkft-triage@lists.linaro.org, pavel@denx.de,
jonathanh@nvidia.com, f.fainelli@gmail.com,
sudipm.mukherjee@gmail.com, slade@sladewatkins.com
Subject: Re: [PATCH 5.15 000/251] 5.15.47-rc2 review
Date: Tue, 14 Jun 2022 17:47:38 +0000 [thread overview]
Message-ID: <bd80cd0d-a364-4ebd-2a89-933f79eaf4c7@tmb.nu> (raw)
Den 2022-06-14 kl. 20:12, skrev Greg Kroah-Hartman:
> On Tue, Jun 14, 2022 at 10:08:27AM -0700, Guenter Roeck wrote:
>> On Tue, Jun 14, 2022 at 08:36:08AM -0700, Guenter Roeck wrote:
>>> On Mon, Jun 13, 2022 at 08:19:49PM +0200, Greg Kroah-Hartman wrote:
>>>> This is the start of the stable review cycle for the 5.15.47 release.
>>>> There are 251 patches in this series, all will be posted as a response
>>>> to this one. If anyone has any issues with these being applied, please
>>>> let me know.
>>>>
>>>> Responses should be made by Wed, 15 Jun 2022 18:18:03 +0000.
>>>> Anything received after that time might be too late.
>>>>
>>>
>>> Build results:
>>> total: 159 pass: 159 fail: 0
>>> Qemu test results:
>>> total: 488 pass: 488 fail: 0
>>>
>>
>> I spoke a bit too early. I see the following backtrace in some qemu arm
>> boot tests.
>>
>> BUG: spinlock bad magic on CPU#0, kdevtmpfs/15
>> lock: noop_backing_dev_info+0x6c/0x3b0, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
>> CPU: 0 PID: 15 Comm: kdevtmpfs Not tainted 5.15.47-rc2-00252-g677f0128d0ed #1
>> Hardware name: ARM RealView Machine (Device Tree Support)
>> [<c01101d0>] (unwind_backtrace) from [<c010bc0c>] (show_stack+0x10/0x14)
>> [<c010bc0c>] (show_stack) from [<c0a10ae4>] (dump_stack_lvl+0x68/0x90)
>> [<c0a10ae4>] (dump_stack_lvl) from [<c0191250>] (do_raw_spin_lock+0xbc/0x124)
>> [<c0191250>] (do_raw_spin_lock) from [<c02eb578>] (__mark_inode_dirty+0x1cc/0x704)
>> [<c02eb578>] (__mark_inode_dirty) from [<c02e6a74>] (simple_setattr+0x44/0x5c)
>> [<c02e6a74>] (simple_setattr) from [<c02d7a18>] (notify_change+0x400/0x45c)
>> [<c02d7a18>] (notify_change) from [<c0a19ef8>] (devtmpfsd+0x1f8/0x2b8)
>> [<c0a19ef8>] (devtmpfsd) from [<c014cf3c>] (kthread+0x150/0x17c)
>> [<c014cf3c>] (kthread) from [<c0100120>] (ret_from_fork+0x14/0x34)
>> Exception stack(0xd00dbfb0 to 0xd00dbff8)
>> bfa0: 00000000 00000000 00000000 00000000
>> bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
>> bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
>>
>> This bisects to commit bc5d960d4e58 ("writeback: Fix inode->i_io_list not
>> be protected by inode->i_lock error"). The problem is also seen in the
>> mainline kernel. v5.15.y.queue and later are affected. Reverting the patch
>> here and in mainline fixes the problem.
>
> Thanks for letting me know. Hopefully it gets fixed in upstream...
>
I "think" this is the suggested fix:
https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git/commit/?h=for_next&id=46b6418e26c7c26f98ff9c2c2310bce5ae2aa4dd
--
Thomas
next reply other threads:[~2022-06-14 18:20 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-14 17:47 Thomas Backlund [this message]
2022-06-14 18:51 ` [PATCH 5.15 000/251] 5.15.47-rc2 review Linus Torvalds
2022-06-14 19:00 ` Linus Torvalds
2022-06-15 11:00 ` Jan Kara
2022-06-15 13:38 ` Jan Kara
2022-06-15 18:00 ` Guenter Roeck
2022-06-15 21:47 ` Jan Kara
2022-06-16 8:04 ` Suzuki K Poulose
2022-06-15 10:04 ` Jan Kara
-- strict thread matches above, loose matches on Subject: below --
2022-06-13 18:19 Greg Kroah-Hartman
2022-06-13 21:00 ` Florian Fainelli
2022-06-14 3:06 ` Shuah Khan
2022-06-14 3:32 ` Fox Chen
2022-06-14 10:21 ` Sudip Mukherjee
2022-06-14 15:36 ` Guenter Roeck
2022-06-14 16:58 ` Allen Pais
2022-06-14 17:08 ` Guenter Roeck
2022-06-14 17:12 ` Greg Kroah-Hartman
2022-06-14 19:18 ` Naresh Kamboju
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