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Bug ID 6685018
Synopsis guest vdisk panic in I/O kstat if connection is reset and there are outstanding transactions
State 10-Fix Delivered (Fix available in build)
Category:Subcategory solaris-development:io
Keywords iostat
Responsible Engineer Liam Merwick
Reported Against
Duplicate Of
Introduced In solaris_nevada
Commit to Fix snv_89
Fixed In snv_89
Release Fixed solaris_nevada(snv_89) , solaris_10u6(s10u6_02) (Bug ID:2161268)
Related Bugs 6503157 , 2159590
Submit Date 7-April-2008
Last Update Date 8-May-2008
Description
When running with snv_87 in a Guest domain on a Huron the following panic was encountered. This is while running the vdbench test on a system with a lot of disks.

panic[cpu124]/thread=2a100a77ca0: kstat_q_exit: qlen == 0

000002a100a77730 SUNW,UltraSPARC-T2+:kstat_q_panic+8 (30004b0fed0, 0, ffffffffffffffff, 800, 600658072a0, bb675)
  %l0-3: 000006005ef424d0 000006006f62a550 00000000000072a0 00000000000072a0
  %l4-7: 0000000000000830 000000000000000a 000000000000009a ffffffffffffff74
000002a100a777e0 vdc:vdc_process_data_msg+290 (6006f62a440, 6005ef424d0, 0, e, 3001ce085f0, 1)
  %l0-3: 0000030004b0fdc0 0000000002204061 ffffffffffffffba 0000000000000046
  %l4-7: 0000000000000038 00000600658072a0 0000000000000000 0000000000000800
000002a100a77890 vdc:vdc_resubmit_backup_dring+d8 (6006f62a440, 2a100a77ca0, 0, 2a100a77958, 1ee, 1a1)
  %l0-3: 0000000000000001 0000000000000000 0000000000000000 000003001ce085f0
  %l4-7: 0000000000000000 0000000000000000 0000000000001800 0000000000000001
000002a100a77990 vdc:vdc_process_msg_thread+240 (6006f62a440, 3, 2, 3, 6006f62a448, 6006f62a45c)
  %l0-3: 0000000000000001 0000000000000006 0000000000000000 000006006f62a44a
  %l4-7: 000006006f62a44e 000006006f62a44c 000006006f62a570 000006006f62a572
Work Around
N/A
Comments
N/A