Messages in this thread |  | | | Date | Mon, 10 Nov 2003 15:30:06 -0800 | | From | Jeff Bowden <> | | Subject | percpu_counter_mod not getting into SMP kernel image when ext2/3 compiled as modules |
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In 2.6.9-test9 (also tried with bk15) I have ext2 and ext3 both configured as modules. When I do "modprobe ext3" it says:
FATAL: Error inserting ext3 (/lib/modules/2.6.0-test9-bug-t1/kernel/fs/ext3/ext3.ko): Unknown symbol in module, or unknown parameter (see dmesg)
and dmesg says:
ext3: Unknown symbol percpu_counter_mod
I found one message in the archive (http://www.ussg.iu.edu/hypermail/linux/kernel/0310.2/0311.html) which mentions this problem and includes a proposed fix. The lines from the this proposal made it into lib/percpu_counter.c but somehow it seems that they are not causing the symbol to end up in the main kernel image. In fact the string "percpu_counter_mod" does not occur in vmlinux or in any of the modules other than ext2.ko and ext3.ko.
The kernel in question was compiled with gcc 3.3.1 on an up-to-date debian/unstable. A copy of the exact .config I used can be had from http://jlb.changelog.com/config-2.6.0-test9-bug-t1
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