Re: SCC causes kernel crash

From: Joerg Reuter (terhi.victor@logonet.com)
Date: Sun Jun 04 2000 - 04:45:49 EEST

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    > Ideas??

    None so far. This is weird.

    > Code; c01938bb <scc_isr_dispatch+147/7d4> <=====
    > 0: 8a 01 movb (%ecx),%al <=====
    > Code; c01938bd <scc_isr_dispatch+149/7d4>
    > 2: ee outb %al,(%dx)

    Hmm, I think you disassembled the following from scc_txint():

            Outb(scc->data,*skb->data); /* send byte */
            skb_pull(skb, 1);

    Seems it is trying to transmit data from an skb with
    skb->data == NULL. How is *that* possible? [Alan...?]

    73,

    Joerg Reuter http://poboxes.com/jreuter/
    And I make my way to where the warm scent of soil fills the evening air.
    Everything is waiting quietly out there.... (Anne Clark)


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