Messages in this thread | | | Date | Thu, 27 Jul 2006 09:38:38 +0200 | Subject | Re: BUG() on apm resume in 2.6.18-rc2 | From | Johannes Weiner <> |
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Hi,
On Thu, Jul 27, 2006 at 12:08:56AM -0700, Andrew Morton wrote: > (please always do reply-to-all)
Oh, sorry. Sometimes mutt doesn't recognize mails belonging to a list.
> That was an easy one - it crashed at > > EIP is at mcheck_init+0x4/0x80 > > right at the start of mcheck_init(), so it had to be the access of > mce_disabled. > > It accessed the address c0729c38: > > BUG: unable to handle kernel paging request at virtual address c0729c38 > > and the code dump shows an access to that address. > > And the only way in which an access to a global variable of this nature can > oops is if that variable has been unmapped from the kenrel address space. > We unmap (and reuse) the __init memory, so it had to be a sectioning bug.
The fix was clear to me, though. After seeing it, I could imagine what went wrong.
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