On Thu, Sep 15, 2011 at 05:46:39PM +0400, Dmitry Kurochkin wrote: > Hello. > > I am trying to setup a Debian chroot on Netgear WNDR3700 router with > OpenWRT. Unfortunately, I can not get binaries to run. The only binary > from debootstrapped chroot I could run is > /lib/mips-linux-gnu/ld-2.13.so. But if I try running any binary with it > (e.g. /lib/mips-linux-gnu/ld-2.13.so /bin/ls), it just hangs without a > message. I tried setting debug and verbose environment variables for > the loader, but it still outputs nothing. I also tried mipsel > architecture and libc6 versions from testing and stable, but it does not > help. > > Can somebody explain me why it fails? The three day silence seems to tell "nope" ;-) > Below is some info that might help. Please let me know if you need any > other info or run any tests. I find it an interresting problem, but I it is beyond my current knowledge. I even don't know if it could work, but *lets assume* that the OpenWRT kernel plus OpenWRT userland can "chroot into" Debian userland. > # uname -a > Linux netgate 184.108.40.206 #1 Tue Sep 6 09:58:59 CEST 2011 mips GNU/Linux > > # file /bin/busybox > /bin/busybox: ELF 32-bit MSB executable, MIPS, MIPS32 rel2 version 1, dynamically linked (uses shared libs), corrupted section header size > > # file /chroot/bin/ls > /chroot/bin/ls: ELF 32-bit MSB executable, MIPS, MIPS-II version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.26, with unknown capability 0x41000000 = 0xf676e75, with unknown capability 0x10000 = 0x70401, stripped How 'MIPS32 rel2 version 1' relates to 'MIPS-II version 1 (SYSV)' is unknown to me. > # cat /proc/cpuinfo > system type : Atheros AR7161 rev 2 > machine : NETGEAR WNDR3700 > processor : 0 > cpu model : MIPS 24Kc V7.4 > BogoMIPS : 452.19 <snip/> > As I understand the problem is a "binfmt thingy". Sorry, I can't explain it. This is partial output of 'aptitude show binfmt-support' allows system administrators to register interpreters for various binary formats based on a magic number My advice is to play with OpenWRT kernel configuration for "binfmt". Hope this helps Groeten Geert Stappers -- > And is there a policy on top-posting vs. bottom-posting? Yes.
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