Date: Fri, 9 Mar 2007 21:01:32 +0800 From: "Rong-en Fan" <grafan@gmail.com> To: "Kostik Belousov" <kostikbel@gmail.com> Cc: Michal Mertl <mime@traveller.cz>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: Kernel panic - page fault in inodedep_find Message-ID: <6eb82e0703090501g521a8aexe38d872cc8dfb5d1@mail.gmail.com> In-Reply-To: <20070309125227.GB73957@deviant.kiev.zoral.com.ua> References: <1173353693.1523.7.camel@genius.i.cz> <20070308121301.GR10453@deviant.kiev.zoral.com.ua> <1173422820.1211.3.camel@genius.i.cz> <20070309125227.GB73957@deviant.kiev.zoral.com.ua>
next in thread | previous in thread | raw e-mail | index | archive | help
On 3/9/07, Kostik Belousov <kostikbel@gmail.com> wrote:
> On Fri, Mar 09, 2007 at 07:47:00AM +0100, Michal Mertl wrote:
> > Kostik Belousov wrote:
> > > On Thu, Mar 08, 2007 at 12:34:53PM +0100, Michal Mertl wrote:
[...]
> > > > #7 0xffffffff8059c175 in inodedep_find (inodedephd=0xffffffff8106d660,
> > > > fs=0xffffff0061a4d800, inum=168358, inodedeppp=0xffff ffffaf6b83e0)
> > > > at ../../../ufs/ffs/ffs_softdep.c:1246
> > > Please, from this frame (#7) do
> > > p/x *inodedep
> > > p/x *inodedephd
> >
> > 1246 LIST_FOREACH(inodedep, inodedephd, id_hash)
> > Current language: auto; currently c
> > (kgdb) p/x *inodedep
> > Cannot access memory at address 0x18
> > (kgdb) p/x *inodedephd
> > $1 = {lh_first = 0x18}
>
> Ok, this seems to be exactly the same problem as Rong-en' one, even the
> corrupted value is the same.
>
> For start, could you, please, show your dmesg ?
>
> Rong-en, it seems that I forgot to answer your question about the way to
> find whether the given kernel address is mapped, that stalled the conversation.
> I apologize for that. It looks that the easiest would be to use
> pmap_extract(vmspace_pmap(curproc->p_vmspace), addr)
> to check validity of address addr, that shall return 0 for non-mapped address
> (modulo the usual races, that should be not important in that case).
First of all, thank you for answering me. However, due to previous crash
during installworld. I reinstalled by amd64 laptop with 200702 snapshot
and updated latest current (as of today). I will try to reproduce the crash
again.
Regards,
Rong-En Fan
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6eb82e0703090501g521a8aexe38d872cc8dfb5d1>