Date: Fri, 26 Sep 2014 08:30:06 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Panic - uma_zfree_arg - zone argument is NULL Message-ID: <542507EE.5050704@selasky.org> In-Reply-To: <20140926060640.GE884@glebius.int.ru> References: <541AC8A4.3000306@selasky.org> <541ACA20.5030805@selasky.org> <20140925091911.GZ884@FreeBSD.org> <5424FEE4.3050504@selasky.org> <542500AD.2020708@selasky.org> <20140926060640.GE884@glebius.int.ru>
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On 09/26/14 08:06, Gleb Smirnoff wrote:
> On Fri, Sep 26, 2014 at 07:59:09AM +0200, Hans Petter Selasky wrote:
> H> On 09/26/14 07:51, Hans Petter Selasky wrote:
> H> > On 09/25/14 11:19, Gleb Smirnoff wrote:
> H> >> On Thu, Sep 18, 2014 at 02:03:44PM +0200, Hans Petter Selasky wrote:
> H> >> H> #7 0xffffffff80b07863 in uma_zfree_arg (zone=0x0,
> H> >> item=0xfffff800114ee000,
> H> >> H> udata=0xffffffff81484760)
> H> >>
> H> >> udata here is uma_slab_t. Can you look at it?
> H> >>
> H> >> btw, is that reproducible on stable/10 or head?
> H> >>
> H> >
> H> > Yes, it is reproducible. I have not tried stable/10 or head yet.
> H> >
> H> > (kgdb) print *(uma_slab_t)udata
> H> > $3 = {
> H> > us_keg = 0xfffff8085696d680,
>
> Can you print the us_keg, please?
>
(kgdb) print *(*(uma_slab_t)udata).us_keg
$5 = {
uk_lock = {
lock_object = {
lo_name = 0xfffff8085696fd80 "\200\n\227V\b???\200?\226V\b???",
lo_flags = 2168997728,
lo_data = 4294967295,
lo_witness = 0x0
},
mtx_lock = 0
},
uk_hash = {
uh_slab_hash = 0x0,
uh_hashsize = 0,
uh_hashmask = 0
},
uk_zones = {
lh_first = 0x0
},
uk_part_slab = {
lh_first = 0x224821000
},
uk_free_slab = {
lh_first = 0x0
},
uk_full_slab = {
lh_first = 0xfffff8085696d720
},
uk_align = 0,
uk_pages = 6,
uk_free = 0,
uk_reserve = 1,
uk_size = 131072,
uk_rsize = 67044352,
uk_maxpages = 269,
uk_init = 0,
uk_fini = 0xffffffff81484760 <vm_phys_free_queues+336>,
uk_allocf = 0xfffff8085696d7b8,
uk_freef = 0xfffff80854307748,
uk_offset = 18446744071584084984,
uk_kva = 36435,
uk_slabzone = 0x224822000,
uk_slabsize = 0,
uk_pgoff = 0,
uk_ppera = 0,
uk_ipers = 0,
uk_flags = 1452726152,
uk_name = 0x600000000 <Address 0x600000000 out of bounds>,
uk_link = {
le_next = 0x100000001,
le_prev = 0x3ff040000000000
}
}
--HPS
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