Date: Wed, 11 Jun 2014 00:41:59 -0700 From: John-Mark Gurney <jmg@funkthat.com> To: Alan Cox <alc@rice.edu> Cc: alc@freebsd.org, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, ian@freebsd.org Subject: Re: svn commit: r266850 - in head/sys/arm/xscale: i80321 i8134x ixp425 pxa Message-ID: <20140611074159.GL31367@funkthat.com> In-Reply-To: <5397F089.90403@rice.edu> References: <5395D312.5000302@rice.edu> <20140609163302.GS31367@funkthat.com> <5395E725.7020807@rice.edu> <20140609174431.GT31367@funkthat.com> <9100CDFA-0C40-4BC8-AA9C-1DE37EEA6208@rice.edu> <6DA17B5C-1824-49BF-8192-432135D42C6E@bsdimp.com> <20140609221742.GV31367@funkthat.com> <539730B1.2040900@rice.edu> <20140610170052.GF31367@funkthat.com> <5397F089.90403@rice.edu>
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Alan Cox wrote this message on Wed, Jun 11, 2014 at 01:00 -0500:
> On 06/10/2014 12:00, John-Mark Gurney wrote:
> > Alan Cox wrote this message on Tue, Jun 10, 2014 at 11:22 -0500:
> >> On 06/09/2014 17:17, John-Mark Gurney wrote:
> >>> Warner Losh wrote this message on Mon, Jun 09, 2014 at 14:08 -0600:
> >>>> On Jun 9, 2014, at 1:23 PM, Alan Cox <alc@rice.edu> wrote:
> >>>>
> >>>>> On Jun 9, 2014, at 12:44 PM, John-Mark Gurney wrote:
> >>>>>
> >>>>>> Alan Cox wrote this message on Mon, Jun 09, 2014 at 11:56 -0500:
> >>>>>>> I made a mistake with the new KASSERT()s in vm_reserv_break(). Try this.
> >>>>>> No worried, the new patch panics:
> >>>>>> panic: vm_reserv_break: 2 saved_object=0xc06e6378 x=253 m_tmp->object=0xc06e6378 (1)
> >>>>>>
> >>>>> Is your arm processor running in big-endian or little-endian mode?
> >>>> Big Endian.
> >>> Specificly, TARGET_ARCH=armeb... So, ARMv4 in big-endian mode...
> >>>
> >> Please try the attached patch.
> > This patch now boots to multiuser mode and I can log in!
> >
> > I can now more easily debug newsyslog segfaulting and stuff... I'll
> > let you know if I have any more issues...
> >
> > Thanks again for tracking this down!
> >
>
> Here is a commit-able patch. Please tell me if it works.
So, it worked for a while, but it looks like there are still lingering
bugs... Not sure if this is the same, or different...
While doing portsnap extract, I got the following panic:
panic: Lock vm object not exclusively locked @ /usr/src.avila/sys/arm/arm/pmap.c:4474
w/ the bt:
[lots of boiler plate panic backtrace deleted]
kassert_panic() at kassert_panic
pc = 0xc03ac2d4 lr = 0xc03a9980 (__rw_assert+0x168)
sp = 0xcd157d78 fp = 0x00000000
r0 = 0xc05e41f8 r1 = 0xc0617ab0
r2 = 0xc061c818 r3 = 0x0000117a
r4 = 0x00000000
__rw_assert() at __rw_assert+0x168
pc = 0xc03a9980 lr = 0xc05736a4 (pmap_remove_write+0x3c)
sp = 0xcd157d88 fp = 0x00000000
r4 = 0xc0845a50
pmap_remove_write() at pmap_remove_write+0x3c
pc = 0xc05736a4 lr = 0xc0574890 (pmap_remove_all+0x4c)
sp = 0xcd157d90 fp = 0x00000000
r4 = 0xc0845a50
pmap_remove_all() at pmap_remove_all+0x4c
pc = 0xc0574890 lr = 0xc055abf8 (vm_pageout_grow_cache+0x8b0)
sp = 0xcd157dc0 fp = 0x00000000
r4 = 0xc0845a50 r5 = 0xc184dd20
r6 = 0xc14b8a9c r7 = 0x00000000
r8 = 0xc06ea5d0 r9 = 0xc14b89e0
r10 = 0xc184dd20
vm_pageout_grow_cache() at vm_pageout_grow_cache+0x8b0
pc = 0xc055abf8 lr = 0xc055af9c (vm_pageout_grow_cache+0xc54)
sp = 0xcd157df0 fp = 0x00000000
r4 = 0xc14b89e0 r5 = 0xc1853320
r6 = 0xc0618cd8 r7 = 0xc184dd20
r8 = 0xc14ea320 r9 = 0xc14b89e0
r10 = 0xc14b89e0
vm_pageout_grow_cache() at vm_pageout_grow_cache+0xc54
pc = 0xc055af9c lr = 0xc037fa30 (fork_exit+0x94)
sp = 0xcd157e48 fp = 0x00000000
r4 = 0xc0f83960 r5 = 0xc0e58000
r6 = 0xc055ac9c r7 = 0x00000000
r8 = 0xcd157e60 r9 = 0x19999990
r10 = 0x00000000
fork_exit() at fork_exit+0x94
pc = 0xc037fa30 lr = 0xc056c4e4 (swi_exit)
sp = 0xcd157e60 fp = 0x00000000
r4 = 0xc055ac9c r5 = 0x00000000
r6 = 0x1284378c r7 = 0x00000104
r8 = 0x00000104
swi_exit() at swi_exit
pc = 0xc056c4e4 lr = 0xc056c4e4 (swi_exit)
sp = 0xcd157e60 fp = 0x00000000
Unable to unwind further
Let me know if there is any thing else you need to collect... I've
rebooted the machine, and I'll be doing the same command to see if
it's reproducable...
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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