On Thu, 15 Mar 2007 16:46:39 +0100 Gerd Hoffmann <[EMAIL PROTECTED]> wrote:
> The console subsystem already has an idea of a boot console, using the > CON_BOOT flag. The implementation has some flaws though. The major > problem is that presence of a boot console makes register_console() > ignore any other console devices (unless explicitly specified on the > kernel command line). > > This patch fixes the console selection code to *not* consider a boot > console a full-featured one, so the first non-boot console registering > will become the default console instead. This way the unregister call > for the boot console in the register_console() function actually > triggers and the handover from the boot console to the real console > device works smoothly. Added a printk for the handover, so you know > which console device the output goes to when the boot console stops > printing messages. > > The disable_early_printk() call is obsolete with that patch, explicitly > disabling the early console isn't needed any more as it works > automagically with that patch. > > I've walked through the tree, dropped all disable_early_printk() > instances found below arch/ and tagged the consoles with CON_BOOT if > needed. The code is tested on x86, sh (thanks to Paul) and mips > (thanks to Ralf). > > Changes to last version: Rediffed against -rc3, adapted to mips > cleanups by Ralf, fixed "udbg-immortal" cmd line arg on powerpc. I get this, across netconsole: [17179569.184000] console handover: boot [earlyvga_f_0] -> real [tty0] wanna take a look at why there's cruft in bootconsole->name please? in grub.conf I have kernel /boot/bzImage-2.6.21-rc7-mm1 ro root=LABEL=/ rhgb vga=0x263 [EMAIL PROTECTED]/eth0,[EMAIL PROTECTED]/00:0D:56:C6:C6:CC profile=1 earlyprintk=vga resume=8:5 time and I'm using http://userweb.kernel.org/~akpm/config-sony.txt Thanks. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/