ACK: [SRU][J/N/Q][PATCH v2 0/1] ata: libata-core: disable LPM on ADATA SU680 SSD

Yufeng Gao yufeng.gao at canonical.com
Tue Mar 24 07:09:46 UTC 2026


On 24/3/26 05:24, Alice C. Munduruca wrote:
> BugLink: https://bugs.launchpad.net/bugs/2144060
>
> v2 -> Resent due to gmail service error...
>
> [ Impact ]
>
> Given that the ADATA SU680 does not implement LPM correctly, filesystem corruption,
> freezes, and general instability occur frequently when running Ubuntu on this drive.
>
> To fix this, the quirk `ATA_QUIRK_NOLPM` was added for this device so that the offending
> behavior is stopped and the drive can function as expected.
>
> [ Fix ]
>
> resolute: Will be pulled in from v7.0-rc5.
> questing: Backported with small context changes.
> noble: Backported with small context difference and quirk renaming.
> jammy: Applied noble patch.
>
> [ Test Case ]
>
> Compile and boot tested on VM, and bug reporter on launchpad confirms that the patch
> resolved the above-noted instability.
>
> [ Regression Potential ]
>
> Given that no significant logic is changed, (only a quirk is added) there is no real
> regression potential for users that don't use this ADATA SSD, which was already broken.
>
> Damien Le Moal (1):
>    ata: libata-core: disable LPM on ADATA SU680 SSD
>
>   drivers/ata/libata-core.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
Acked-by: Yufeng Gao <yufeng.gao at canonical.com>




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