On Tue, 2010-12-21 at 01:19 +0800, Tony Luck wrote: > On Sun, Dec 19, 2010 at 6:47 PM, Huang Ying <ying.huang@xxxxxxxxx> wrote: > > 8KB is about 100-200 lines message, sometimes it may be not enough for > > all necessary information. But in fact, we can use multiple ERST > > records to save one kernel message dumping. So the real limitation is > > just total storage capacity. > > We can - but it will be a bit messy within my pstore + platform driver > framework (I'd have to have erst tell pstore that it could handle some > larger size, 2x or 3x the actual record size and then break a write > into pieces. Presumably re-assemble on the read side too). If persistent storage driver (such as ERST) implements kmsg_dumper by themselves, that should be easier to use multiple records for one message dumping request. Best Regards, Huang Ying -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html