Don't know if this is related to a similiar lockup I experienced on TS-7260
boards, but I eventually tracked that down to Netwinder Floating Point Emulator
code in the kernel (by observing exception messages logged through `dmesg`. I
eliminated my own code which raised the NWFP exceptions and the lockup problems
disappeard. See this thread for more info:
http://tech.groups.yahoo.com/group/ts-7000/message/15210
--- In Robert Ulbrich <> wrote:
>
> Hi all,
>
> Thanks for the replies.
>
> It doesn't seem to be a memory issue. My stats script logs free memory
> reported by `free` (minus buffers and cache), and it stays around the
> same level (~100MB free).
>
> As far as JFS goes, I remember reading about that bug on this list, so I
> stopped using JFS and started using EXT3 on the SD card several months ago.
>
> I am really starting to suspect the serial driver or the UART
> (implemented in FGPA?).
>
> Thanks!
> Rob
>
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