On Thu, Sep 04, 2008 at 12:36:16AM +0200, Denys Vlasenko wrote:
> Still can't reproduce.
>
> # /usr/app/module-init-tools-3.4/sbin/insmod --version
> module-init-tools version 3.4
>
> # /usr/app/module-init-tools-3.4/sbin/insmod camellia
> insmod: can't read 'camellia': No such file or directory
Hello Denys,
thanks for investigating and sorry for being unclear. It's about a
missing /lib/modules/`uname -r` directory, not about a missing module
file. Here's how you can reproduce the problem.
I created a test directory with busybox 1.11.2 and 1.12.0 binaries,
and a kernel module:
# pwd
/mnt/HD_a2/tmp/test
# ls
busybox-1.11.2 busybox-1.12.0 usb-storage.ko
# file *
busybox-1.11.2: ELF 32-bit LSB executable, ARM, version 1, dynamically linked
(uses shared libs), stripped
busybox-1.12.0: ELF 32-bit LSB executable, ARM, version 1, dynamically linked
(uses shared libs), stripped
usb-storage.ko: ELF 32-bit LSB relocatable, ARM, version 1
There's no /lib/modules/`uname -r`:
# uname -r
2.6.12.6-arm1
# rm -rf /lib/modules/2.6.12.6-arm1
I can load and unload the module just fine with busybox-1.11.2:
# ./busybox-1.11.2 lsmod
Module Size Used by Not tainted
usblp 10976 0
sd_mod 14484 3
# ./busybox-1.11.2 insmod usb-storage.ko
# ./busybox-1.11.2 lsmod
Module Size Used by Not tainted
usb_storage 29956 0
usblp 10976 0
sd_mod 14484 3
# ./busybox-1.11.2 rmmod usb-storage
# ./busybox-1.11.2 lsmod
Module Size Used by Not tainted
usblp 10976 0
sd_mod 14484 3
But I can't with 1.12.0:
# ./busybox-1.12.0 lsmod
usblp 10976 0 - Live 0xbf005000
sd_mod 14484 3 - Live 0xbf000000
# ./busybox-1.12.0 insmod usb-storage.ko
insmod: chdir(2.6.12.6-arm1): No such file or directory
Here's strace output:
# strace -o log -tt -s 99 ./busybox-1.12.0 insmod usb-storage.ko
log:
...
09:06:46.654800 getpid() = 20713
09:06:46.655656 getuid32() = 0
09:06:46.656633 brk(0) = 0xb4000
09:06:46.657360 brk(0xbd000) = 0xbd000
09:06:46.658569 chdir("/lib/modules") = 0
09:06:46.659495 uname({sys="Linux", node="ede", ...}) = 0
09:06:46.662604 chdir("2.6.12.6-arm1") = -1 ENOENT (No such file or directory)
09:06:46.663772 write(2, "insmod: chdir(2.6.12.6-arm1): No such file or
directory\n", 56) = 56
09:06:46.665381 exit(1) = ?
Cheers,
Tobias
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