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SubjectRe: Highmemory Problem with RHEL3 .... 2.4.21-5.ELsmp
Fawad Lateef wrote:

>Hello,
>
>I m facing a problem in RHEL3 (2.4.21-5.ELsmp) kernel while using
>kmap_atomic on the pages reserved at the boot time !!!!
>
>At the boot time I reserved pages above 2GB for later use by my module
>..... And when I was using those reserved pages through kmap_atomic
>system hangs; although kmap_atomic successfully returns me the virtual
>address but when I use that virtual address like in memcpy the system
>hangs .....
>
>I m unable to findout why it is happening in RHEL3 kernel !!!! Plz
>help me in this regard ....
>
>

IIRC 2.4.21 has some highmem bugs that have since been fixed. But, it
sounds like you might be doing something quite unusual. Code would
definitely give people a better idea of what might be wrong. You should
definitely consider moving to 2.6 to get a better response.

Zach
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