Hi Reinhard,

On Sun, Jan 25, 2026 at 10:02:43PM +0100, Reinhard Eilmteiner wrote:
> Buonasera Salvatore,
> 
> I guess, I got it finalmente:
> 
> git bisect start
> # status: waiting for both good and bad commits
> # good: [8a243ecde1f6447b8e237f2c1c67c0bb67d16d67] Linux 6.12.57
> git bisect good 8a243ecde1f6447b8e237f2c1c67c0bb67d16d67
> # status: waiting for bad commit, 1 good commit known
> # bad: [7475d784169c7df48b0c55525fb862e06674d63c] Linux 6.12.58
> git bisect bad 7475d784169c7df48b0c55525fb862e06674d63c
> # good: [e8b63d342d4344d808df48947a486ce13c3b6e2f] drm/msm/dsi/phy: Toggle
> back buffer resync after preparing PLL
> git bisect good e8b63d342d4344d808df48947a486ce13c3b6e2f
> # good: [c53ac86de8e85d4582f3fea338735a5c3a942aff] accel/habanalabs: return
> ENOMEM if less than requested pages were pinned
> git bisect good c53ac86de8e85d4582f3fea338735a5c3a942aff
> # good: [61f1263954269154654711192489d6f949483be0] ceph: refactor
> wake_up_bit() pattern of calling
> git bisect good 61f1263954269154654711192489d6f949483be0
> # bad: [2c8ca35f5a2026d15abc0b770e50ce75fbb0f7f9] bnxt_en: Fix a possible
> memory leak in bnxt_ptp_init
> git bisect bad 2c8ca35f5a2026d15abc0b770e50ce75fbb0f7f9
> # bad: [fc4bb4ed4387d45e266ce92f6322e06c758d7490] net: dsa: tag_brcm:
> legacy: reorganize functions
> git bisect bad fc4bb4ed4387d45e266ce92f6322e06c758d7490
> # bad: [a6a493b985bfffac097a4e1be09f98b27729dca8] media: videobuf2: forbid
> remove_bufs when legacy fileio is active
> git bisect bad a6a493b985bfffac097a4e1be09f98b27729dca8
> # bad: [9d4583a57fcc7153a23746a3941d16ebca93d125] x86: uaccess: don't use
> runtime-const rewriting in modules
> git bisect bad 9d4583a57fcc7153a23746a3941d16ebca93d125
> # bad: [141a3e658b6bc4d30069afa6de656b0e1980a100] x86: use cmov for user
> address masking
> git bisect bad 141a3e658b6bc4d30069afa6de656b0e1980a100
> # bad: [07640d34a781bb2e39020a39137073c03c4aa932] ceph: fix multifs mds auth
> caps issue
> git bisect bad 07640d34a781bb2e39020a39137073c03c4aa932
> # first bad commit: [07640d34a781bb2e39020a39137073c03c4aa932] ceph: fix
> multifs mds auth caps issue
> 
> Commit message kinda matches to what I see... ;-)

Thank you, that matches pretty wel so the upstream report from the
earlier message.

Can you test please as well my test package at:
https://people.debian.org/~carnil/tmp/linux/1125405-cephfs/
(as mentioned they are inofficial packages with the required patch on
top, to confirm the issue would be fixed with).

Regards,
Salvatore

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