pci express hotplug problem

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  hi,
i am writing pci express hotplug driver for mpc8315erdb(powerpc). the driver uses PCI hotplug subsystem not pcie port bus driver. i am able to do insertion and removal of pci express cards and confirm using 'lspci' command. driver is working with SATA and PATA memory cards with some minor modifications in the kernel. the problem i am facing now is when i try to repeatedly insert and remove the kernel is crashing, although non-fatal. normal insertion/removal works fine but repeated insertion/removal fails. pls guide me where am i wrong or what changes i should make to recover from pci errors.

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With Regards,
Shivaprashanth H

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