Date: Sun, 07 Apr 2002 13:54:08 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Josef Karthauser <joe@tao.org.uk> Cc: current@freebsd.org Subject: Re: Kernel debugging - what's the procedure? Message-ID: <3CB0B1F0.F2D701F7@mindspring.com> References: <20020407091335.GA697@genius.tao.org.uk> <3CB01F95.ACCDAA82@mindspring.com> <20020407105959.GA14407@genius.tao.org.uk>
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Josef Karthauser wrote: > > You use another machine, and connect the serial ports together. > > See the handbook for details. > > I'd love to ;) but no additional machine is available at the moment. Then you install vmware, and Julian's back-to-back serial driver, and then run the kernel to be debuged in the vmware session. This lets you debug the kernel on a virtual machine (single CPU only). > > If this is against a dead kernel, etiher your dump image is > > bad, or it doesn't match the kernel that made the dump. > > That's what I'd guess too, but the kernel that crashed is the same as > the kernel that I'm debugging it on - I'm pretty sure: compiled today. Well, since this is the -current list... have you updated recently? There were some recent changes by PHK to the dump format that may have broken/fixed things, if your answer to that question is yes/no, respectively. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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