Re: [BUG] libata: WD Green 480GB (firmware 42059100) disconnects unless booted with libata.force=nolpm

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In reply to: Ronald Garcia Vazquez: "[BUG] libata: WD Green 480GB (firmware 42059100) disconnects unless booted with libata.force=nolpm"
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From: Damien Le Moal

Date: Tue Jul 21 2026 - 20:11:35 EST

On 7/22/26 00:33, Ronald Garcia Vazquez wrote:
> [BUG] libata: WD Green 480GB (firmware 42059100) disconnects unless booted with
> libata.force=nolpm

Not a bug, but most likely yet another device with broken LPM. There are plenty
already.
Please share the output of "hdparm -I" and a dmesg after boot so that we can
check and prepare a quirk patch to apply nolpm permanently for this device.

--
Damien Le Moal
Western Digital Research