On Thu, 1 Nov 2012, Ezequiel Garcia wrote: > On Thu, Nov 1, 2012 at 5:24 PM, Christoph Lameter <cl@xxxxxxxxx> wrote: > > On Thu, 1 Nov 2012, Ezequiel Garcia wrote: > > > >> While testing this patchset, I found a BUG. > >> > >> All I did was "sudo mount -a" to mount my development partitions. > >> > >> [ 25.366266] BUG: unable to handle kernel paging request at ffffffc0 > >> [ 25.366419] IP: [<c10d93b2>] slab_unmergeable+0x12/0x30 > > > > Arg. More sysfs trouble I guess. Sysfs is the cause for a lot of slub > > fragility. Sigh. > > > > Can you rerun this with "slub_debug" as a kernel option? > > I will. > > Also I will test *without* a few patches I was playing around with... > I should have done that before reporting :/ > Until then, please consider this noise, just in case. Well found it. The create common boot functions patch (#2) did a list add of a structure that was moved later during slub bootstrap. Fix will come wiht V5. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>