On Mon, 2005-10-24 at 14:16 -0700, Andrew Morton wrote:
..
>
> qla2x00_probe_one() has called qla2x00_free_device() and
> qla2x00_free_device() has locked up in
> wait_for_completion(&ha->dpc_exited);
>
> Presumably, ha->dpc_exited is not initialised yet.
>
> The first `goto probe_failed' in qla2x00_probe_one() will cause
> qla2x00_free_device() to run wait_for_completion() against an uninitialised
> completion struct. Because ha->dpc_pid will be >= 0.
>
> This patch might fix the lockup, but if so, qla2x00_iospace_config()
> failed. Please debug that a bit for us?
Yes. This patch helped. Due to power failures, my disk trays are
powered off. qla2x00_iospace_config() is failing and causing the
panic on -mm kernel. For odd reasons, older -mm kernels & mainline
kernels doesn't panic.
Thanks,
Badari
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