On Fri, 2007-12-21 at 16:52 -0500, David Dillow wrote:
> I'm getting the following oops when doing the following commands:
>
> modprobe ib_srp
> <add targets(s) to ib_srp using sysfs>
> rmmod ib_srp
> modprobe ib_srp
> <OOPS>
>
> I'm going to try and track down how the list is getting corrupted; it
> looks like attribute_container_list in
> drivers/base/attribute_container.c is the one getting corrupted.
Ok, found the culprit, now to figure out the motive and fix it.
ib_srp's srp_cleanup_module calls srp_release_transport(), which calls
transport_container_unregister() for the rport_attr_cont member of
struct srp_internal.
That last unregister call is returning -EBUSY, but it gets ignored, and
the list node gets erased (or just reused) when the module's text/memory
is free'd.
Now, to see if ib_srp should be waiting for everything to be destroyed
before calling srp_release_transport(), or if it is just not removing
some attributes properly.
That's a next week thing if no one beats me to it.
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