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Solaris 10 can panic: buffer modified while frozen! (Doc ID 2379952.1)

Last updated on MARCH 28, 2018

Applies to:

Solaris Operating System - Version 10 3/05 to 10 1/13 U11 [Release 10.0]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

 The panic string will be similar to this:


panic[cpu20]/thread=6002226c8a0: buffer modified while frozen!

 

The panic stack will be similar to this:

 

000002a100673220 zfs:arc_ref_freeze+b0 (600326eb5e0, 7bee8800, 7bee4f36,
600326f
db70, 11275000, 11275088)
%l0-3: 0000000000001440 00000600326eb5a8 0000000000000000 0000000000000040
%l4-7: 0000000000000001 000006002a59c200 0000000011275170 000006002a5aa8c0
000002a1006732d0 zfs:dbuf_rele_and_unlock+9c (600326fdb50, 7bee4f36, 0,
600326fd
b00, 0, 7beeb068)
%l0-3: 0000000000000000 0000000000000002 0000000000000018 0000000000000002
%l4-7: 0000000000000001 0000000000000080 0000000000000000 0000000000000000
000002a100673380 zfs:dmu_tx_check_ioerr+64 (6002fdfa4d8, 600326f9c30, 1, 0, 0,
7
bee4c00)
%l0-3: 0000000000000011 0000000000000000 0000030035fad400 0000000000000000
%l4-7: 0000000000000000 0000000000000002 0000000000108000 00000600326fdb00
000002a100673430 zfs:dmu_tx_hold_free+188 (6002321c380, 162ea, 40000, 0, 0, 0)

%l0-3: 000002a1006734e8 000006002fdfa4d8 0000000000000000 0000000000000000
%l4-7: 0000000000000018 00000600229826f8 00000600326f9c30 0000000000000001
000002a1006734f0 zfs:dmu_free_long_range_impl+164 (600242b3600, 600326f9c30,
0,
0, 6002321c380, 60032612680)
%l0-3: 0000000000000000 0000000000000001 0000000000040000 0000000000040000
%l4-7: 0000060032600d30 0000000000000000 0000000000000001 000002a1006735a8
000002a1006735b0 zfs:dmu_free_long_range+38 (600242b3600, 162ea, 0,
ffffffffffff
ffff, 7bee49b1, 0)
%l0-3: feedfacefeedface 00000700001d4810 0000000001369608 00000000feedface
%l4-7: 00000000112723b4 0000000000000003 0000000000000000 000000007bef7000
000002a100673670 zfs:zfs_rmnode+130 (600326f7cb0, 1, 6002b6d30c0, 7bf07e50,
6002
b6d2dc0, 0)
%l0-3: 0000000000000000 00000600326f7cb0 0000060029626500 000006002b6d2dc0
%l4-7: 00000000000162ea 0000000000000000 00000600242b3600 0000000000000000
000002a100673730 zfs:zfs_inactive+1ec (6002b6d2f60, 7bee7e27, 60029626500,
4000,
600326f7cb0, 60028b1e238)
%l0-3: 000006002c6f5be0 0000030028e3eb00 0000060023c09540 000006002b6d2dc0
%l4-7: 0000000000000019 0000000000005db6 0000000000005db5 000006002b293130
000002a100673860 genunix:vn_renameat+368 (0, 89ffe98, 0, e303218, 1,
2a1006739d0
)
%l0-3: 000002a100673a08 0000000000000000 0000000000000000 0000000000000000
%l4-7: 0000000000000000 0000000000000000 0000000000000000 0000060029562200
000002a100673a10 genunix:renameat+5c (ffd19553, 89ffe98, ffd19553, e303218, 0,
0
)
%l0-3: 00000001edd85d80 0000000000000000 0000000000000000 0000000000000001
%l4-7: 0000070000026000 0000000000000000 0000000000000000 ffffffffffd19553

Cause

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