Sorry for the delay, On Sat, 25 Aug 2012 11:49:14 +0200 frederik.vos@xxxxxxxxxx wrote: > I tested also version 1.0.28: no problem > version 1.0.29: no problem > version 1.0.30: there is the problem Thanks a lot for tracking the cause! Seems like that the compare_and_write command support doesn't work (added in 1.0.30). Can you try the following patch? diff --git a/usr/sbc.c b/usr/sbc.c index 0f99f18..c059c37 100644 --- a/usr/sbc.c +++ b/usr/sbc.c @@ -842,7 +842,8 @@ static struct device_type_template sbc_template = { {spc_illegal_op,}, {sbc_rw, NULL, PR_EA_FA|PR_EA_FN}, - {sbc_rw, NULL, PR_EA_FA|PR_EA_FN}, + /* {sbc_rw, NULL, PR_EA_FA|PR_EA_FN}, */ + {spc_illegal_op,}, {sbc_rw, NULL, PR_WE_FA|PR_EA_FA|PR_WE_FN|PR_EA_FN}, {sbc_rw, NULL, PR_EA_FA|PR_EA_FN}, {spc_illegal_op,}, -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html