Re: [regression v6.12.30..v6.12.32] mmc1: mmc_select_hs400 failed, error -110 / boot regression on Lenovo IdeaPad 1 15ADA7

[Salvatore Bonaccorso <carnil@debian.org>]

On Fri, Jun 20, 2025 at 09:20:41PM +0200, Salvatore Bonaccorso wrote:
> Hi
> 
> In Debian we got a regression report booting on a Lenovo IdeaPad 1
> 15ADA7 dropping finally into the initramfs shell after updating from
> 6.12.30 to 6.12.32 with messages before dropping into the intiramfs
> shell:
> 
> mmc1: mmc_select_hs400 failed, error -110
> mmc1: error -110 whilst initialising MMC card
> 
> The original report is at https://bugs.debian.org/1107979 and the
> reporter tested as well kernel up to 6.15.3 which still fails to boot.
> 
> Another similar report landed with after the same version update as
> https://bugs.debian.org/1107979 .
> 
> I only see three commits touching drivers/mmc between
> 6.12.30..6.12.32:
> 
> 28306c58daf8 ("mmc: sdhci: Disable SD card clock before changing parameters")
> 38828e0dc771 ("mmc: dw_mmc: add exynos7870 DW MMC support")
> 67bb2175095e ("mmc: host: Wait for Vdd to settle on card power off")
> 
> I have found a potential similar issue reported in ArchLinux at
> https://bbs.archlinux.org/viewtopic.php?id=306024
> 
> I have asked if we can get more information out of the boot, but maybe
> this regression report already rings  bell for you?
> 
> #regzbot introduced v6.12.30..v6.12.32
> #regzbot link: https://bugs.debian.org/1107979
> #regzbot link: https://bbs.archlinux.org/viewtopic.php?id=306024

*sigh* apologies for the "mess", the actual right report is
https://bugs.debian.org/1108065 (where #1107979 at least has
similarities or might have the same root cause).

#regzbot link: https://bugs.debian.org/1108065

Regards,
Salvatore