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    SubjectRe: request_module: runaway loop modprobe net-pf-1 (is Re: Linux 2.6.21-rc1)
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    Greg KH <greg@kroah.com> writes:

    > On Thu, Feb 22, 2007 at 04:12:04AM +0900, OGAWA Hirofumi wrote:
    >> YOSHIFUJI Hideaki / ?$B5HF#1QL@ <yoshfuji@linux-ipv6.org> writes:
    >>
    >> > In article <Pine.LNX.4.64.0702202043280.4043@woody.linux-foundation.org> (at Tue, 20 Feb 2007 20:53:45 -0800 (PST)), Linus Torvalds <torvalds@linux-foundation.org> says:
    >> >
    >> >> But there's a ton of architecture updates (arm, mips, powerpc, x86, you
    >> >> name it), ACPI updates, and lots of driver work. And just a lot of
    >> >> cleanups.
    >> >
    >> > I cannot boot 2.6.21-rc1; it falls into OOM-Killer.
    >> >
    >> > Interesting error message I can see is:
    >> > request_module: runaway loop modprobe net-pf-1
    >> >
    >> > After bisecting, the commit
    >> > Driver core: let request_module() send a /sys/modules/kmod/-uevent
    >> > (id c353c3fb0700a3c17ea2b0237710a184232ccd7f) is to blame.
    >> >
    >> > Reverting it fixes the issue to me.
    >>
    >> /sbin/hotplug needs some module, but request_module() call /sbin/hotplug loop?
    >> Hm.. does the patch fix the problem?
    >
    > How does it loop?

    E.g. something calls the request_modle(), and if hotplug is using
    socket(PF_UNIX) and af_unix is module, it also calls request_modle()?

    Just my guess though...
    --
    OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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