Re: 2.6.28.[45] boot failure: request_module: runaway loop modprobe binfmt-464c

[Tilman Schmidt <tilman@imap.cc>]

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On Tue, 17 Feb 2009 11:01:51 +0100, Kay Sievers wrote:
> On Tue, Feb 17, 2009 at 10:09, Tilman Schmidt <tilman@imap.cc> wrote:
>> My workhorse machine (Pentium D 940, Intel DG965QF board,
>> mirrored SATA disks), which runs fine with kernel:
>> ts@xenon:~> uname -a
>> Linux xenon 2.6.28.3-testing #1 SMP PREEMPT Mon Feb 2 23:32:07 CET 2009 i686 i686 i386 GNU/Linux
>> fails to come up with an identically configured 2.6.28.4 or 2.6.28.5
>> kernel. [...]
> 
> Are you sure, that you don't have a 32/64 bit mismatch between the
> kernel and userspace? Like you miss 32-bit emulation in a 64-bit
> kernel, or your modprobe is 64-bit and you are trying to run it on a
> 32-bit kernel?

Pretty sure. Although running on a 64 bit capable processor, this
is a pure 32 bit installation:

ts@xenon:~> file /sbin/modprobe
/sbin/modprobe: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.6.4, dynamically linked (uses shared libs), stripped
ts@xenon:~> uname -a
Linux xenon 2.6.28.3-testing #1 SMP PREEMPT Mon Feb 2 23:32:07 CET 2009 i686 i686 i386 GNU/Linux
ts@xenon:~> diff kernel/linux-2.6.28.{3,5}-work/.config
3,4c3,4
< # Linux kernel version: 2.6.28.3
< # Mon Feb  2 22:41:42 2009
---
> # Linux kernel version: 2.6.28.5
> # Sat Feb 14 00:06:09 2009
ts@xenon:~> file /boot/vmlinuz-2.6.28.*
/boot/vmlinuz-2.6.28.3-testing: Linux/x86 Kernel, Setup Version 0x209, bzImage, Version 2.6.28.3, RO-rootFS, swap_dev 0x2, Normal VGA
/boot/vmlinuz-2.6.28.5-testing: Linux/x86 Kernel, Setup Version 0x209, bzImage, Version 2.6.28.5, RO-rootFS, swap_dev 0x2, Normal VGA
ts@xenon:~>

The first one of these two kernels runs fine, the second one hangs.

Thanks,
Tilman

-- 
Tilman Schmidt                    E-Mail: tilman@imap.cc
Bonn, Germany
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