W dniu 09.09.2016 o 11:15, Kent Overstreet pisze: > On Fri, Sep 09, 2016 at 09:36:59AM +0200, Marcin Mirosław wrote: >> Hi! >> Today I launched host at my job. When I tried to mount bcachefs I got: >> bcache: bch_open_as_blockdevs() register_cache_set err Bad checksum >> >> This is simple, not tieres fs. I don't have idea what to do next to help >> debug this. Data on this fs are completely unimportant. > > The superblock checksum is bad (I'm going to improve that error message)... what > in the heck... > > Anything remotely unusual about the machine or how you were using it? It's a desktop with KDE, I used this fs for keeping portage tree & i put compilation tmp dir on it (with lz4 compression). Stack is: lvm->raid10->4 x HDD > Existing filesystem, right? Not freshly formatted? Existing filesystem. > The only thing I can really think of is there was a torn write while writing the > superblock - if the power failed or the VM was killed partway through writing > the superblock, that would cause it. Unfortunately we don't have backup > superblocks yet... I suppose I should really get on that... This is physical machine, I turned it off gracefully. Does image of block device be usefull for you? Thanks, Marcin -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html