From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Thomas Subject: Re: Re: xen hg tree from yesterda hangs when kernel console is directed to ttyS0 Date: Wed, 22 Mar 2006 16:37:58 -0500 Message-ID: <4421C3B6.1070805@virtualiron.com> References: <441EAD24.5060903@virtualiron.com> <1143055333.3736.42.camel@orbit.scot.redhat.com> <4421B1F8.1070408@virtualiron.com> <1143059637.3736.61.camel@orbit.scot.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1143059637.3736.61.camel@orbit.scot.redhat.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Stephen C. Tweedie" Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org No, sorry, implicit context here. It really feels like a serial line issue. When I talk about using vga, it's concurrent usage with com1. I've never had a problem with using only vga. Although, that's a very small percentage of my usage. -b Stephen C. Tweedie wrote: > Hi, > > On Wed, 2006-03-22 at 15:22 -0500, Ben Thomas wrote: > > >>When I see this, I generally never get very far at all. Often, I'm >>at the "no output at all past grub" stage. Even with vga. Luckily, >>it's confined to specific machines. > > > Even with *only* VGA? I usually see exactly this with serial console > enabled: if I attempt it without sync_console, dom0 always hangs solid > very early in the boot process (though rarely at exactly the same > location.) But I've never seen that sort of sporadic hang during boot > using just VGA console exclusively; the bugs I've seen have always been > either oopses or very predictable hangs at a specific location. > > --Stephen > > -- ------------------------------------------------------------------------ Ben Thomas Virtual Iron Software bthomas@virtualiron.com Tower 1, Floor 2 978-849-1214 900 Chelmsford Street Lowell, MA 01851