> can result in a soft lockup: > > BUG: soft lockup - CPU#41 stuck for 67s! [setfont:1505] > RIP: 0010:[<ffffffff812c48da>] > [<ffffffff812c48da>] vgacon_do_font_op.clone.0+0x1ba/0x550 > > This is due to the 8192 (cmapsz) IO operations taking longer than expected > due to lock contention in QEMU. > > Add conditional resched points in between writes allowing other tasks to > execute.
I've applied this to drm-next against my best judgement as it steers me close to being the console maintainer. Dave. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/