> We are runnig S/390 Linux on one LPAR, no VM. > After a kernel crash, our Red Hat 7.2 system doesn't boot anymore! > Even starting in run level 1 > we get the following message: > > Assumption failure in unmap-underlying-metadata at buffer.c:1540 > "!buffer_jlist_eq(old_bh.3)" > > > So we are looking desperately for a rescue mode! > What shall we do, to work at least in a minimum mode?
On x86 you would just boot off a CD and then run fsck on the volume in question. I guess the S/390 equivalent would be to do so from another instance. fsck will almost certainly fix such a problem. I'd be more worried about how it came to happen in the first place.
