trap from DEBUG_LOCKS

[Kostik Belousov]

On Sun, Nov 04, 2007 at 05:17:20PM +0100, Kris Kennaway wrote:
> The insta-panic at boot on sparc64 with RELENG_7 seems to be fixed, but 
> at the point when it mounts root I get the following panic when 
> DEBUG_LOCKS is enabled:
> 
> panic: trap: memory address not aligned
> cpuid = 9
> KDB: enter: panic
> [thread pid 1 tid 100006 ]
> Stopped at      kdb_enter+0x68: ta              %xcc, 1
> db> wh
> Tracing pid 1 tid 100006 td 0xfffff800020709c0
> panic() at panic+0x204
> trap() at trap+0x56c
> -- memory address not aligned sfar=0xe2f47c27 sfsr=0x40029 %o7=0xc03cd524 --
> stack_save() at stack_save+0x18
> _lockmgr() at _lockmgr+0x4c
> vfs_busy() at vfs_busy+0x1d4
> vfs_mount_alloc() at vfs_mount_alloc+0x58
> vfs_mountroot() at vfs_mountroot+0x2e4
> start_init() at start_init+0x58
> fork_exit() at fork_exit+0x9c
> fork_trampoline() at fork_trampoline+0x8

Could you, please, show me the content of the registers and disassembly
for the stack_save() ? (Last time I looked into sparc64 assembly, was 3
years ago).
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-sparc64/attachments/20071105/e7bde1d7/attachment.pgp