panic: Duplicate free

Andrzej Tobola ato at
Mon Nov 1 10:30:36 PST 2004

Today -current, diskless station boot:

subnet mask ......
Adjusted interface sis0
SLab at 0xc0fcdfa8, freei 8 = 0.
panic: Duplicate free of item 0xc0fcd800 from zone 0xc0c45ae0(Mbuf)

KDB: enter: panic
[thread 100001]
Stopped at      kdb_enter+0x2a: movl     %esi,%esi
db> where
*** error reading from address 104 ***
db> trace
*** error reading from address 104 ***

When kernel is generated without:
makeoptions     DEBUG=-g
options         DDB
options         KDB
options         WITNESS
options         WITNESS_SKIPSPIN
options         INVARIANTS
options         INVARIANT_SUPPORT

all is OK

any clue ?


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