svn commit: r254025 - in head/sys: amd64/amd64 arm/arm arm/at91 arm/mv/armadaxp arm/s3c2xx0 arm/xscale/i80321 arm/xscale/i8134x arm/xscale/ixp425 cddl/compat/opensolaris/kern cddl/compat/opensolari...

[Zbigniew Bodek]

2013/8/8 Zbyszek Bodek <zbb at semihalf.com>

> On 07.08.2013 20:55, Jeff Roberson wrote:
> > On Wed, 7 Aug 2013, Zbyszek Bodek wrote:
> >
> >> On 07.08.2013 08:21, Jeff Roberson wrote:
> >>> Author: jeff
> >>> Date: Wed Aug  7 06:21:20 2013
> >>> New Revision: 254025
> >>> URL: http://svnweb.freebsd.org/changeset/base/254025
> >>>
> >>> Log:
> >>>   Replace kernel virtual address space allocation with vmem.  This
> >>> provides
> >>>   transparent layering and better fragmentation.
> >>>
> >>>    - Normalize functions that allocate memory to use kmem_*
> >>>    - Those that allocate address space are named kva_*
> >>>    - Those that operate on maps are named kmap_*
> >>>    - Implement recursive allocation handling for kmem_arena in vmem.
> >>>
> >>>   Reviewed by:    alc
> >>>   Tested by:    pho
> >>>   Sponsored by:    EMC / Isilon Storage Division
> >>>
> >>
> >> Hello Jeff,
> >>
> >> I'm having some trouble on my ARM platform staring from this commit.
> >> Kernel panics on assertion very early. Please check out log below (as
> >> you can see bt doesn't look helpful but assertion message is visible. I
> >> can send you which functions are in bt if it is necessary).
> >
> > It would be very helpful to know which function is passing the unaligned
> > value.  I will resolve this later today if you can get me that
> information.
> >
> > Thanks,
> > Jeff
> >
>
> Hello Jeff,
>
> I'm attaching the BT with functions names included.
> Please give me a notice when you need something more.
>
> Hello again.

It seems that despite the attachment is visible in my sent messages it was
not included to the message on the mailing lists.
Hence I'm pasting it to this e-mail. Sorry for the possible inconvenience.

Best regards
Zbyszek Bodek

-----------------------------------------------------------------------------------------------
WARNING: DIAGNOSTIC option enabled, expect reduced performance.
panic: Assertion (size & vm->vm_quantum_mask) == 0 failed at
/home/zbb/projects/armsp/freebsd-arm-superpages/sys/kern/subr_vmem.c:341
cpuid = 0
KDB: stack backtrace:
db_trace_self() at 0xc11fb224
     pc = 0xc11fb224  lr = 0xc0f2dd34 (0xc0f2dd34)
     sp = 0xc1372c90  fp = 0xc1347fc8
db_trace_self_wrapper() at 0xc0f2dd34
     pc = 0xc0f2dd34  lr = 0xc1090d84 (0xc1090d84)
     sp = 0xc1372da8  fp = 0xc1347fc8
     r4 = 0xc13452d8
kdb_backtrace() at 0xc1090d84
     pc = 0xc1090d84  lr = 0xc105b300 (0xc105b300)
     sp = 0xc1372db0  fp = 0xc1347fc8
     r4 = 0x00000001
vpanic() at 0xc105b300
     pc = 0xc105b300  lr = 0xc105b3f4 (0xc105b3f4)
     sp = 0xc1372dd0  fp = 0xc1347fc8
     r4 = 0xc1252570  r5 = 0x13333333
     r6 = 0xc1347f80  r7 = 0xc1494150
     r8 = 0x00000010 r10 = 0xc1348140
kassert_panic() at 0xc105b3f4
     pc = 0xc105b3f4  lr = 0xc10a6b24 (0xc10a6b24)
     sp = 0xc1372e08  fp = 0xc1347fc8
     r0 = 0xc1252570  r1 = 0xc126c6d4
     r2 = 0xc126c64c  r3 = 0x00000155
     r4 = 0x00013333
bt_insfree() at 0xc10a6b24
     pc = 0xc10a6b24  lr = 0xc10a7410 (0xc10a7410)
     sp = 0xc1372e20  fp = 0xc1347fc8
     r4 = 0xc1494150  r5 = 0xc149416c
     r6 = 0xc1347f80  r7 = 0x13333333
     r8 = 0xc57c8000
vmem_add1() at 0xc10a7410
     pc = 0xc10a7410  lr = 0xc10a7604 (0xc10a7604)
     sp = 0xc1372e38  fp = 0xc1347fc8
     r4 = 0xc1347f80  r5 = 0x00000000
     r6 = 0xc57c8000  r7 = 0x13333333
     r8 = 0x00000010
vmem_add() at 0xc10a7604
     pc = 0xc10a7604  lr = 0xc10a8bb8 (0xc10a8bb8)
     sp = 0xc1372e50  fp = 0xc1347fc8
     r4 = 0xc1347fe4  r5 = 0x00000000
     r6 = 0x00010000  r7 = 0xc1347f80
vmem_init() at 0xc10a8bb8
     pc = 0xc10a8bb8  lr = 0xc104487c (0xc104487c)
     sp = 0xc1372e98  fp = 0x00000000
     r4 = 0x13333333  r5 = 0xc1347f80
     r6 = 0xc130e588  r7 = 0x00f0004c
     r8 = 0x7f9ea674  r9 = 0x00000001
    r10 = 0x7ff1449c
kmeminit() at 0xc104487c
     pc = 0xc104487c  lr = 0xc10448ec (0xc10448ec)
     sp = 0xc1372eb8  fp = 0x00000000
     r4 = 0xc1297b90  r5 = 0x00f00058
     r6 = 0x00f00000
mallocinit() at 0xc10448ec
     pc = 0xc10448ec  lr = 0xc1010b20 (0xc1010b20)
     sp = 0xc1372ee8  fp = 0x00000000
     r4 = 0xc1297b90  r5 = 0x00f00058
     r6 = 0x00f00000  r7 = 0x00f0004c
     r8 = 0x7f9ea674  r9 = 0x00000001
    r10 = 0x7ff1449c
mi_startup() at 0xc1010b20
     pc = 0xc1010b20  lr = 0xc0f00128 (0xc0f00128)
     sp = 0xc1372ef8  fp = 0x00000000
     r4 = 0x00f00184  r5 = 0x00f00058
virt_done() at 0xc0f00128
     pc = 0xc0f00128  lr = 0xc0f00128 (0xc0f00128)
     sp = 0xc1372ef8  fp = 0x00000000
Unable to unwind further
KDB: enter: panic
[ thread pid 0 tid 0 ]
Stopped at      0xc1090c18:     ldrb    r15, [r15, r15, ror r15]!
db>