Subject: Re: System ACE MPU interface to CF card

From: Sharad Gupta <[email-masked]>
Date: Mon, 19 Apr 2004 14:06:18 -0400

Jeff Angielski wrote:
> Sounds to me like you do not have your interrupts configured properly
> between the SystemACE and the CPU or your xsa_thread is dying
> prematurely.
>
> Either way, the kernel is getting no response when it actually tries to
> access the CF thru the SystemACE.
>
>
> Jeff Angielski
> The PTR Group

I do not enable interrupts between SystemACE and the CPU. Following the
debug cycle:

xsysace_init()
->register_disk()
-->grok_partitions()
--->check_partition()
---->msdos_partition()
----->read_dev_sector()
------>read_cache_page()
------->lock_page()
-------->__lock_page()
--------->schedule()

And it never resumes after that. The code just goes to power_save mode.
Any help would be appreciated.

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