I just built and booted an ia64 2.6.29 kernel. While accessing NFS
filesystems, I occassionally get:
kernel unaligned access to 0xe00007bc3b8f67b9, ip=0xa00000020a61e370
kernel unaligned access to 0xe00007bc3b8f67b1, ip=0xa00000020a61e3d1
grep a00000020a61 /proc/modules
lockd 146448 1 nfs, Live 0xa00000020a610000
These come in pairs. I tracked it down to the lockd.ko kernel module
and then objdump'd to find we are in:
nsm_get_handle
nsm_init_private():
/data/lwork/attica2/holt/git-linus/v2.6.29/fs/lockd/mon.c:280
e370: 0b 00 98 68 98 11 [MMI] st8 [r52]=r38;;
/data/lwork/attica2/holt/git-linus/v2.6.29/fs/lockd/mon.c:279
e376: 00 00 00 02 00 00 nop.m 0x0
e37c: 92 d0 e9 53 shl r16=r9,5;;
nsm_display_address():
/data/lwork/attica2/holt/git-linus/v2.6.29/fs/lockd/mon.c:86
...
e3d0: 0a 60 28 1c 8d 39 [MMI] cmp4.eq p12,p13=10,r14;;
e3d6: 00 a8 95 30 23 00 st8 [r37]=r53
e3dc: 00 00 04 00 nop.i 0x0
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