From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt To: =?ISO-8859-1?Q?J=F6rn=20Nettingsmeier?= , Subject: Re: 2.4.17-pre[12]-ben0 trees hang on unsuspend Date: Sat, 8 Dec 2001 21:05:41 +0100 Message-Id: <20011208200541.19242@smtp.wanadoo.fr> In-Reply-To: <3C126A90.C9768C76@folkwang-hochschule.de> References: <3C126A90.C9768C76@folkwang-hochschule.de> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: >> >after a few days of frequent use, i can say that sleep/wakeup >> >bahaviour has improved vastly. >> >however there was again one hard lockup yesterday. >> >i was on the road when it hit, so i haven't been able to ping or ssh >> >into the machine. >> >i think it only happens when you strike a key immediately after >> >sleep, before the standby led starts glowing. >> >> Ok, I'll do some experiments and see if I can find something. > >let me know if can test something for you. >is there any bulletproof method to capture kernel messages on a >pismo when it goes bang ? >has somebody used the modem port as a serial console ? i have a >spare modem lying around, perhaps it might be worth trying... xmon_printf (on screen) is usually a working properly if you add your own messages, but if you are debugging sleep, you may have to disable display sleep to see the messages. Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/