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Ooops in kmalloc from request_region

To: linux-mips <>
Subject: Ooops in kmalloc from request_region
From: Liam Davies <>
Date: Wed, 14 Feb 2001 14:00:38 +1000
User-agent: Mozilla/5.0 (X11; U; Linux 2.2.16-22 i686; en-US; m18) Gecko/20010131 Netscape6/6.01

I am currently at the stage of calling request_region in my irq_setup function.
The call to request_region does a kmalloc which oops. The box has 256Mb Ram.

Is this the right stage to be doing this call? Is there something that I have missed
in setting up the memory regions or paging?

Liam Davies

Unable to handle kernel paging request at virtual address 10003278, epc == 80035314, ra == 800a1d60
Oops in fault.c:do_page_fault, line 172:

static void __init cobalt_irq_setup(void)
      set_cp0_status(ST0_IM, 0);

      set_except_vector(0, cobalt_handle_int);

---->> request_region(0xb0000020, 0x20, "pic1");
      request_region(0xb00000A0, 0x20, "pic2");

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