Re: btrfs corruption issue on Pine64 PinePhone

[ellie <el@horse64.org>]

On 8/5/24 07:39, ellie wrote:
> Dear kernel list,
> 
> I'm hoping this is the right place to sent this. But there seems to be a 
> btrfs corruption issue on the Pine64 PinePhone:
> 
> https://gitlab.com/postmarketOS/pmaports/-/issues/3058
> 
> The kernel is 6.9.10, I wouldn't know what exact additional patches may 
> be used by postmarketOS (which is based on Alpine). The device is the 
> PinePhone revision 1.2a or newer https://wiki.pine64.org/wiki/ 
> PinePhone#Hardware_revisions sadly there doesn't seem to be a way to 
> check in software if it's 1.2a or 1.2b, and I don't remember which it is.
> 
> This is on an SD Card, so an inherently rather unreliable storage 
> medium. However, I tried two cards from what I believe to be two 
> different vendors, Lexar and SanDisk, and I'm seeing this with both.
> 
> The PinePhone had various chipset instability issues before, like
> https://gitlab.com/postmarketOS/pmaports/-/issues/805 which I believe 
> has however been fixed since. I have no idea if that's relevant, I'm 
> just pointing it out. I also don't know if other filesystems, like ext4 
> that I used before, might have also had corruption and just didn't 
> detect it. Not that I ever noticed anything, but I'm not sure I 
> necessarily ever would have.
> 
> Regards,
> 
> Ellie

I forgot to specify one testing detail: testing this seems to require 
writing a couple of gigabytes to the SD Card. So that's an additional 
difficulty, since I assume doing that too often will simply kill the 
card for real, which limits how quick and often this can be tested.

Regards,

Ellie