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Re: kernel lockup on 6.0 beta2 on cardbus insertion on Dell Inspiron 9100 laptop
In article <BLU0-SMTP124636762717DF54AE9F4CADF30%phx.gbl@localhost>,
John Refling <mpweadh%hotmail.com@localhost> wrote:
>bus_space_read_region_1(...) [the second occurrence with bar_tag as first
>seems to silently crash the kernel on card insertion (a debug printf before
>prints and one after never does).
>I printed and examined the args to bus_space_read_region_1(...) as best I
>could and they seemed reasonable (compared to an entirely different, but
>non-crashing card) EXCEPT for the
>MIN(bar_size - MIN(bar_size, cis_ptr), len)
>which was 2048 for this crashing card and 512 for another random
>On a random thought, I replaced the line:
>MIN(bar_size - MIN(bar_size, cis_ptr), len));
>and, when the card is inserted, no more crash !!!
What's len, bar_size, and cis_ptr?
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