[DRBD-user] drbd-0.8pre6 (svn rev 2590) - kernel fails

Vitaly Kuznetsov vitty at ruir.com
Wed Nov 8 07:37:30 CET 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Lars Ellenberg wrote:

> there are not too many ways __bio_clone
> could do something stupid like that.
> from the disassembly of the "Code:", this is the
> 	memcpy(bio->bi_io_vec, bio_src->bi_io_vec,
> 		bio_src->bi_max_vecs * sizeof(struct bio_vec));
> so bio->bi_io_vec (esi) is 0xea66e000,
> and for some reason your kernel
> thinks it cannot access that address.
> no more I can figure from what we have so far, sorry.

Maybe I'll insert some debuginfo? Or there are some other ways to debug
it? But what and where?
This (bug?) occurs regulary on different servers.

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