This is only with the 2.6.22.19 kernel. I have a similar device (WRAP board) with the same setup, just a serial port connected to my computer and KDB works just fine on that.
Kernel boot post is as follows: Linux version 2.6.22 ([EMAIL PROTECTED]) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-9)) #9 Wed Jul 16 14:33:49 PDT 2008 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 0000000008000000 (usable) BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved) ... .... ..... kdb: Initialization failed - no console. kdb is disabled. kdb version 4.4 by Keith Owens, Scott Lurndal. Copyright SGI, All Rights Reserved ..... .... ... Regards, Hasan R. > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > Jay Lan > Sent: Thursday, July 17, 2008 12:17 PM > To: Hasan Rashid > Cc: [email protected] > Subject: Re: kdb has no working console and has switched itself off > > Hasan Rashid wrote: > > I am running Linux 2.6.22.19 with the kdb-patch, on an embedded device. > I am > > connected to the device via serial port as that is the only interface > > available, other than Ethernet. When my kernel boots up I see the > following > > message " kdb has no working console and has switched itself off". And > > whenever, I try echo "1" > /proc/sys/kernel/kdb I get the same message. > Why > > is the kernel disabling it? What do I need to enable in the kernel? > > You need a console to use KDB. > > Can anybody with embedded device experience help him? Thanks! > > - jay > > > > > TIA! > > > > Regards, Hasan R. > > > > > > --------------------------- > > Use http://oss.sgi.com/ecartis to modify your settings or to > unsubscribe. > > --------------------------- > Use http://oss.sgi.com/ecartis to modify your settings or to unsubscribe. --------------------------- Use http://oss.sgi.com/ecartis to modify your settings or to unsubscribe.
