On Sunday 08 February 2009 21:25:13 wixor wrote:> No, it didn't help really. Even with vmalloc=300M after a couple> modprobe/rmmods i got the same BUG. And I didn't manage to get> anything on display. Moreover, rmmod doesn't bring back the vga> console. Thanks for reporting. I have a fix for this bug which is anoverflow issue reported by XFS guys... I've just been holdingoff merging it because they still seem to have a problemwith vmap that I'm trying to track down. But if you could test this patch, it would be appreciated. Thanks,Nick --- mm/vmalloc.c | 6 ++++++ 1 file changed, 6 insertions(+) Index: linux-2.6/mm/vmalloc.c===================================================================--- linux-2.6.orig/mm/vmalloc.c+++ linux-2.6/mm/vmalloc.c@@ -334,6 +334,9 @@ retry: addr = ALIGN(vstart, align); spin_lock(&vmap_area_lock);+ if (addr + size < addr)+ goto overflow;+ /* XXX: could have a last_hole cache */ n = vmap_area_root.rb_node; if (n) {@@ -365,6 +368,8 @@ retry: while (addr + size > first->va_start && addr + size <= vend) { addr = ALIGN(first->va_end + PAGE_SIZE, align);+ if (addr + size < addr)+ goto overflow; n = rb_next(&first->rb_node); if (n)@@ -375,6 +380,7 @@ retry: } found: if (addr + size > vend) {+overflow: spin_unlock(&vmap_area_lock); if (!purged) { purge_vmap_area_lazy();{.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I