From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="iso-8859-1" From: "Kevin B. Hendricks" To: Benjamin Herrenschmidt , , Subject: Re: funny kernel death with ksoftirqd_CPUX taking up almost 100% of cpu? Date: Wed, 10 Jul 2002 13:18:33 -0400 References: <200207101236.43005.kevin.hendricks@sympatico.ca> <20020710162403.16035@192.168.4.1> In-Reply-To: <20020710162403.16035@192.168.4.1> MIME-Version: 1.0 Message-Id: <200207101318.33120.kevin.hendricks@sympatico.ca> Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: Well, I still have to debug that damn OOo 1.0.1 bridge problem so I have to go back into OOo and gdb (which uses alot of memory) and try again. If I run into it again, I will let you know. If so, is there anything debug wise I can do that would help pinpoint the problem. Thanks, Kevin On July 10, 2002 12:24, Benjamin Herrenschmidt wrote: > >I just experienced an alarming form of kernel death running a self > > compiled SMP kernel with HIGHMEM enabled on my dual G4 -1gig machine. > > > >The kernel tree used is Ben's 2.4.19-pre10 one rebuilt for SMP support, > > aec IDE driver and otherwise basically stock. > > > >I was debugging in gdb a large program and noticed typing got slower > > and slower. I quick check of top showed that ksoftirqd_CPU was taking > > up almost 100% of the cpu. I exited out of gdb and killed every > > process I could think of but the usage of that kernel demaon stayed at > > near 100%. > > BTW. It would be interesting to know if you can ever reproduce it... > > Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/