CURRENT crashes at early boot on Lenovo T540p: rtsx to blame - 13.0-RELEASE crashes same way!

Lev Serebryakov lev at
Fri May 7 18:04:44 UTC 2021

On 07.05.2021 19:34, Tomoaki AOKI wrote:

> Have you try
>   dev.rtsx.0.inversion=1
> in /boot/loader.conf with the device enabled on BIOS?
  Not yet :-) I'll try.

> If not yet, it would be worth trying.
> In rtsx(4) manpage,
>> 〓   RTS522A on Lenovo P50s and Lenovo T470p, card detection and read-only
>>       switch are reversed.  This is sovled by adding in loader.conf(5):
>>       dev.rtsx.0.inversion=1
> If it works for you, possibly no one had tested on T540p yet.
> And there can be much, much more PCs/chips which need it, but no one has
> tested yet.
> My rtsx driver on ThinkPad P52 works fine without it, but IIRC,
> paniced with it (I did it just a test purpose when it landed).
> And one more.
> If you insert write-protected card and then mount it as writable,
> it SHOULD certainly crash the system.
> It's not a rtsx driver issue, but promised to happen.
> I've encountered the problem on USB card readers, too.
  My slot is empty, no card, no adapters, no plastic pseudo-card, nothing.

// Lev Serebryakov

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