From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from puffin.external.hp.com (puffin.external.hp.com [192.25.206.4]) by dsl2.external.hp.com (Postfix) with ESMTP id 1D6AC482A for ; Thu, 9 Aug 2001 09:24:21 -0600 (MDT) Message-Id: <200108091522.JAA13437@puffin.external.hp.com> To: djweis@sjdjweis.com Cc: parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] more serial console problems on D310 In-Reply-To: Message from of "Sun, 05 Aug 2001 23:06:37 CDT." Date: Thu, 09 Aug 2001 09:22:18 -0600 From: Grant Grundler List-ID: djweis@sjdjweis.com wrote: > I grabbed the 20010704 kernel source and net booted my d310 with it > combined with the ramdisk from the 0.9.2 install image. I start with the > serial console on the serial connector labeled "serial console". Output > only comes through there until the kernel starts, then I have to switch > over to the other serial port on the machine to see the rest of the boot > messages. I look at the HW database and it seems the D310 has two LASI (core_adapter) chips (and WAX, no PCI). I suspect the detection of serial ports misnumbers them (ie parisc-linux finds them in the wrong order) or we only properly handle one of the two LASI's. > They come quickly until the root filesystem is mounted. It looks > like I lose interrupts after that because everything is written in blocks > of 16 characters with long (15 second?) pauses in between blocks. Probably not getting interrupts in the first place. The initial console handling is done with PDC calls - ie polled IO. > After > getting this message: > VFS: Mounted root (ext2 filesystem). > serial console detected. Disabling virtual terminals. > > the cursor just tabs along the screen by itself without printing > anything. > Any ideas? Why is the first serial port not being detected/used? Can you post full console output? (or otherwise make it available) Interested folks can then start guessing what might be the problem. grant Grant Grundler parisc-linux {PCI|IOMMU|SMP} hacker +1.408.447.7253