Re: [Fastboot] Re: Kdump Testing

From: Vivek Goyal (vgoyal_at_in.ibm.com)
Date: 04/23/05

  • Next message: K.R. Foley: "2.6.12-rc3 won't boot from aic7899" 
    Date:	Fri, 22 Apr 2005 23:30:03 -0400
To: "Eric W. Biederman" <ebiederm@xmission.com>

    Quoting "Eric W. Biederman" <ebiederm@xmission.com>:

    > Nagesh Sharyathi <sharyathi@in.ibm.com> writes:
    >
    > > Here is the console boot log, before the machine jumps to BIOS
    > > after hang during panic kerenl boot
    >
    > Ok thanks. So this is manually triggered with SysRq
    > and the kexec part works but the recover kernel simply fails
    > to boot.
    >
    > It looks like that hunk of the ACPI code that messes up maxcpus=1
    > needs to be looked at.

    I faced the similiar issue on one of my machine. Little debugging showed that
    Boot cpu sends an INIT IPI to application processor to wake it up and then boot
    cpu loses its way and jumps to bios. Strange....

    Further, in my case this problem was noticed only if crash happened on non-boot
    cpu.

    It works well with Uniporcessor capture kernel. For the time being sufficient
    to capture the dump but it is always good idea to be able to boot and SMP kernel
    as well.

    Thanks
    Vivek
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  • Next message: K.R. Foley: "2.6.12-rc3 won't boot from aic7899"

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