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On Aug 31, 2009, at 1:56 PM, Charles Baker  
<buildmeister at programmer.net> wrote:

>> I have experienced two panics on a system running
>> b119. Both cases had very similar status messages and
>> stack dumps.
>>
>>
>> Aug 31 11:33:05 tx4502 genunix: [ID 783603
>> kern.notice] Deadlock: cycle in blocking chain
>>
>>
>> vpanic()
>> turnstile_block+0x799(0, 0, ffffff065a49a508,
>> fffffffffbc06068, 0, 0)
>> mutex_vector_enter+0x261(ffffff065a49a508)
>> rfs4_dbe_lock+0x15(ffffff065a49a508)
>> recall_all_delegations+0x4d(ffffff065a49a558, 0, 0)
>> deleg_rd_setattr+0x5d(ffffff00201ec930,
>> ffffff00201eca00, 0, ffffff04e06dbd88, 0)
>> *vhead_setattr+0xc1(ffffff058bacea00,
>> ffffff00201eca00, 0, ffffff04e06dbd88, 0)
>> fop_setattr+0xad(ffffff058bacea00, ffffff00201eca00,
>> 0, ffffff04e06dbd88, 0)
>> vscan_svc_setattr+0x108(3, 1800)
>> vscan_svc_process_scan_result+0xd7(3)
>> vscan_svc_scan_result+0x6c(ffffff00201ecc30)
>> vscan_drv_ioctl+0x18c(fe00000000, 4, db503f94,
>> 102001, ffffff04f4aeb850,
>> ffffff00201edde4)
>> cdev_ioctl+0x45(fe00000000, 4, db503f94, 102001,
>> ffffff04f4aeb850,
>> ffffff00201edde4)
>> spec_ioctl+0x83(ffffff04feefb300, 4, db503f94,
>> 102001, ffffff04f4aeb850,
>> ffffff00201edde4)
>> fop_ioctl+0x7b(ffffff04feefb300, 4, db503f94, 102001,
>> ffffff04f4aeb850,
>> ffffff00201edde4)
>> ioctl+0x18e(4, 4, db503f94)
>> sys_syscall32+0xff()
>>
>> I am running c-icap with ClamAV libraries.
>>
>> I have not found anything helpful in searches so I'm
>> hoping I can find help here.
>>
>> I have the full system core files from both panics so
>> I can send them to the Sun supportfiles repository.
>>
>> Thank you.
>
> Please file a bug for tracking purposes.
>
> http://www.opensolaris.org/bug/report.jspa
>
> Category Solaris Kernel Subcategory fs


The subcategory would be nfsv4.


>
> thanks
> chuck
> -- 
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