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Re: PCI expansion card working?
From: Tim Rightnour <root%garbled.net@localhost>
Date: Wed, 16 Jan 2008 11:38:03 -0700 (MST)
> Ok..this is a bit more complex than I originally hoped. But if you are
> to do a little debugging, we might be able to figure it out. It will be
> easier for you to debug this on -current, if thats OK. (me too, since I'm
> beginning to forget how 4.0 interrupts worked)
I have -current tree only.
> First, since siop is usually the one that hangs the system, can you disable
> siop in the config file and see if the machine still hangs? (perhaps mount
> root on nfs if you needed siop to boot)
> Second, in powerpc/pic/intr.c:pic_handle_intr(), there is a section where we
> loop through all the handlers for an interrupt.
> find this:
> and change it to something like this:
> printf("calling handler\n");
> foo = (*ih->ih_fun)(ih->ih_arg);
> printf("returned %d\n", foo);
I think that I am necessary also in pic_do_pending_int() on that. In
addition, may I disable RESIDUAL_DATA_DUMP?
I booted the kernel without preparing NFS this morning. However, pcn(4)
looked not to work correctly. (I forgot logging X-<
I will prepare the environment of NFS at tonight, and execute it again.
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