On 21.04.2009 17:08, ron minnich wrote: > On Tue, Apr 21, 2009 at 7:53 AM, Carl-Daniel Hailfinger > <[email protected]> wrote: > > >> v3 has/had that issue as well. Basically, we want to print stuff as >> early as possible, but doing that before the Super I/O is set up is >> questionable at best. It may work for some machines due to favourable >> default settings, but I wouldn't count on it. >> > > Every kernel I've ever worked on has this problem. At some point, you > can print. Before that point, you can not. The simplest way to handle > the problem is to make sure people don't call any print functions > before it is possible to do it. > > My experience has been that the way we're doing it can cause trouble, > because people end up calling print functions that never print > anything. >
I need to dig up that v3 patch of mine which buffered printk messages until serial was working. Regards, Carl-Daniel -- http://www.hailfinger.org/ -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
