I was able to build the patch and am putting the kernel under stress now. > On 31. Oct 2024, at 09:04, Christian Theune <ct@xxxxxxxxxxxxxxx> wrote: > > Hi, > >> On 31. Oct 2024, at 08:48, Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: >> >>> I will try, but I’m not sure. I don’t have a deep enough understanding to resolve some of the conflicts. In my previous mail I wasn’t sure which change would be the right one: >>> I guess if 6.12 doesn’t have this line at all: >>> - atomic_set(&sh->count, 1); >>> … then setting it to 0 is fine? >>> + atomic_set(&sh→count, 0); >> >> My patch doesn't touch this field at all, why make such change? This is >> not OK. > > Yeah, patch didn’t think that’s OK either, that’s why I came back instead of trying to run that. ;) > > Here’s the part of the patch I extracted from the earlier emails: > > diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c > index 58f71c3e1368..b2a75a904209 100644 > --- a/drivers/md/raid5.c > +++ b/drivers/md/raid5.c > @@ -2369,6 +2369,7 @@ static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp, > atomic_set(&sh->count, 1); > sh->raid_conf = conf; > sh->log_start = MaxSector; > + atomic_set(&sh->bitmap_counts, 0); > > … aaand I just noticed that patch got confused and tried to apply your change 3 lines early, so I ended up with a conflict - correctly! :) > >>> But again, I have no idea what’s actually going on there … ;) >>> If you want I can try to wade through and give you a list of questions where the patch doesn’t obviously apply and you can let me know … >> >> Perhaps can you try v6.12-rc5 directly? If not, I'll give a patch based >> on v6.11 later. > > So. I’d like to avoid running 6.12rc5 and if it isn’t too much trouble I’d appreciate a 6.11 patch, but now that I understood what’s wrong I can try to create it myself in the next days. > > Cheers, > Christian > > -- > Christian Theune · ct@xxxxxxxxxxxxxxx · +49 345 219401 0 > Flying Circus Internet Operations GmbH · https://flyingcircus.io > Leipziger Str. 70/71 · 06108 Halle (Saale) · Deutschland > HR Stendal HRB 21169 · Geschäftsführer: Christian Theune, Christian Zagrodnick > Liebe Grüße, Christian Theune -- Christian Theune · ct@xxxxxxxxxxxxxxx · +49 345 219401 0 Flying Circus Internet Operations GmbH · https://flyingcircus.io Leipziger Str. 70/71 · 06108 Halle (Saale) · Deutschland HR Stendal HRB 21169 · Geschäftsführer: Christian Theune, Christian Zagrodnick