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Subject2.2.19 causing looping oops
This is a manually decoded oops from 2.2.19 - the top of the
oops ran off the serial console buffer (sigh) and there was nothing
in the files, so I decoded the stack manually with 'ksymoops -A'
on every stack entry. This gives a looping stack like below
(I've this is a representative sample from the end of the oops
output. Note the last section is the only but with the mmput
in.

Any idea what could cause this (& why it didn't just Oops
once, and stop). I presume it continued in a cyclic manner
until the stack filled up and then everything died.


Adhoc c0109208 <error_code+34/40> <------- LOOP END HERE
Adhoc c0116e0c <exit_notify+1c/1dc>
Adhoc c01171fa <do_exit+22e/274>
Adhoc c0109614 <die_if_no_fixup+0/40>
Adhoc c01df5f6 <tvecs+eb6/36c0>
Adhoc c01e112e <tvecs+29ee/36c0>
Adhoc c010e8c4 <do_page_fault+2c4/3b0>
Adhoc c01e112e <tvecs+29ee/36c0>
Adhoc c010e600 <do_page_fault+0/3b0> <------- LOOP START HERE
Adhoc c0109208 <error_code+34/40> <------- LOOP END HERE
Adhoc c0116e0c <exit_notify+1c/1dc>
Adhoc c01171fa <do_exit+22e/274>
Adhoc c0109614 <die_if_no_fixup+0/40>
Adhoc c01df5f6 <tvecs+eb6/36c0>
Adhoc c01e112e <tvecs+29ee/36c0>
Adhoc c010e8c4 <do_page_fault+2c4/3b0>
Adhoc c01e112e <tvecs+29ee/36c0>
Adhoc c010e600 <do_page_fault+0/3b0>
Adhoc c0109208 <error_code+34/40> <------- LOOP START HERE
Adhoc c01171c0 <do_exit+1f4/274> <------- LOOP END HERE (*)
Adhoc c0109614 <die_if_no_fixup+0/40>
Adhoc c01df5f6 <tvecs+eb6/36c0>
Adhoc c01e112e <tvecs+29ee/36c0>
Adhoc c010e8c4 <do_page_fault+2c4/3b0>
Adhoc c01e112e <tvecs+29ee/36c0>
Adhoc c010e600 <do_page_fault+0/3b0>
Adhoc c0109208 <error_code+34/40> <------- LOOP START
Adhoc c011276c <mmput+4/34> <------- HERE
Adhoc c011708c <do_exit+c0/274>
Adhoc c0109614 <die_if_no_fixup+0/40>
Adhoc c01df5f6 <tvecs+eb6/36c0>
Adhoc c01e112e <tvecs+29ee/36c0>
Adhoc c010e8c4 <do_page_fault+2c4/3b0>
Adhoc c01e112e <tvecs+29ee/36c0>
Adhoc c010e600 <do_page_fault+0/3b0>

(*)=this cycle a little different - note do_exit+1f4

--
Alex Bligh
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