Peter Faber wrote:
>
> Hi all!
>
> Since we updated our Sun Enterprise 250 with the Solaris 8 Recommended
> Patch Cluster from Apr/23/03, we seem to have some problems: The box
> has now gotten stuck with a kernel panic (cycle in blocking chain)
> twice already...
> Has anyone experienced similar things?
> Is one of the patches known to be broken (and already fixed)?
>
> Here's the first lines of the panic message:
> Jun 14 17:55:52 dionysos unix: [ID 836849 kern.notice]
> Jun 14 17:55:52 dionysos ^Mpanic[cpu0]/thread=30002bb5d00:
> Jun 14 17:55:52 dionysos unix: [ID 783603 kern.notice] Deadlock: cycle in blocki
> ng chain
> Jun 14 17:55:52 dionysos unix: [ID 100000 kern.notice]
> Jun 14 17:55:52 dionysos genunix: [ID 723222 kern.notice] 000002a100656bb0 genun
> ix:turnstile_block+360 (30002bb5d00, 0, 104100e0, 30002c2e048, 0, 30000175300)
> Jun 14 17:55:52 dionysos genunix: [ID 179002 kern.notice] %l0-3: 0000000010045
> cf0 0000030002bb8e30 0000030002d77448 0000000000000000
> Jun 14 17:55:52 dionysos %l4-7: 00000000104100e0 0000000000000000 000002a10007
> 1d20 0000000000000000
> Jun 14 17:55:52 dionysos genunix: [ID 723222 kern.notice] 000002a100656c80 unix:
> mutex_vector_enter+374 (30000175300, 10415e30, 10423e00, 100003, 14f4e, 0)
> Jun 14 17:55:52 dionysos genunix: [ID 179002 kern.notice] %l0-3: fffb715fb6d86
> a94 0000030000175300 0000030001568018 0000000000000000
> Jun 14 17:55:52 dionysos %l4-7: 000002a100071d20 000002a100071d20 000000000000
> 0003 0000000000000001
>
> Does that sound familiar to anyone?
> Thanks for any help!
> PFF
> --
> Peter Faber, [email]faberfmi.uni-passau.de[/email]
use mdb(1) to obtain a full stacktrace using $c+ENTER command
and probably find out from wich kernel update patch revision you
changed to which new one.

(And as I may have some idea - do you have quotas enabled ?)

---
frankB