udevid segfaulting

Bruce Dubbs bruce.dubbs at gmail.com
Sat Oct 27 17:23:36 PDT 2007

Bruce Dubbs wrote:
> Matthew Burgess wrote:
>> Hi,
>> I've just built an SVN version of LFS, along with several package updates (everything in Trac besides grep, texinfo and udev).  I'm getting the following on bootup:
>> Oct 27 20:58:24 kyoto kernel: usb_id[937]: segfault at 00000000 eip b7e32564 esp bf941360 error 4
>> Oct 27 20:58:24 kyoto kernel: usb_id[938]: segfault at 00000000 eip b7e43564 esp bf97c390 error 4
>> Oct 27 20:58:24 kyoto kernel: usb_id[939]: segfault at 00000000 eip b7e59564 esp bf8a1ac0 error 4
>> Oct 27 20:58:24 kyoto kernel: usb_id[950]: segfault at 00000000 eip b7e2f564 esp bfcf0710 error 4
>> Oct 27 20:58:24 kyoto kernel: usb_id[951]: segfault at 00000000 eip b7ecd564 esp bfe858a0 error 4
>> Has anyone seen anything similar before, or might this be down to GCC-4.2.2 or Glibc-2.7 upgrades?  Is there any way of debugging these segfaults earlier (for example, can I check what arguments udev_id was being passed to so I might be able to attach gdb to the problematic process and get a full stacktrace)?
> I haven't, but the internet has.  Google for: kernel usb_id segfault
> It looks like a kernel driver problem.

After a little more looking, the kernel guys think it us a udev problem.
 Try backing off on the udev version.

  -- Bruce

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