Comment # 9 on bug 1185570 from Coly Li

(In reply to Coly Li from comment #8)
> (In reply to Takashi Iwai from comment #7)
> > Thanks.  It's no Oops but the normal kernel warning with stack trace, as
> > expected.  So far, so good.
> > 
> > Usually this can be fixed by capping nr_iovecs via bio_max_segs().  But as I
> > don't know the details of bcache, I reassign this bug to Coly.
> 
> I am back from public days, now I look into the bcache part.

There are similar reports from mailing list. A testing patch is posted to
linux-bcache mailing list, for other reporters to test and verify.

Coly Li