Date: Tue, 22 Apr 1997 13:36:25 -0600 From: Steve Passe <smp@csn.net> To: Keith Mitchell <kmitch@weenix.guru.org> Cc: gibbs@freebsd.org, smp@freebsd.org, scsi@freebsd.org Subject: Re: Freezes/Reboots with -current ahc driver Message-ID: <199704221936.NAA17103@Ilsa.StevesCafe.com> In-Reply-To: Your message of "Tue, 22 Apr 1997 15:05:51 EDT." <199704221905.PAA02398@weenix.guru.org>
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Hi, > > what backup tool are you using when it crashes? > > I am using amanda 2.3.0.4 as the backup program which in turn uses > dump. None of the drives are mounted via NFS. > > I do have APIC_IO turned on. > > After I turned on the comconsole and ddb stuff I found out that it was > panicing (it looks like in the SMP stuff). The controller card is a > 3940UW. I did have toi patch the mp_machdep.c file for the PCI-PCI > bridge. > > The panic message is: > > apicIPI is stuck > panic(cpu#0): > > boot() called on cpu#0 > > What should I look for in DDB?? you are hitting the known "APIC_IO/heavy IO deadlock" problem. I'll think more about a solution. In the meantime you could try a non_APIC_IO kernel, that should solve the problem for now... -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD
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