Details
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Bug
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Resolution: Cannot Reproduce
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Blocker
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None
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Lustre 2.4.0
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orion-2_3_49_54_2-75chaos
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3
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5243
Description
Hit this LBUG on one of our Sequoia IO nodes running the old Orion code base orion-2_3_49_54_2-75chaos:
LustreError: 3216:0:(osc_request.c:1859:brw_interpret()) @@@ obdo already freed req@c0000003c24cc800 x1415959349900530/t12885333672(12885333672) o4->ls1-OST00e3-osc-c0000003c6904c00@172.20.2.27@o2ib500:6/4 lens 456/416 e 0 to 0 dl 1350423562 ref 1 fl Interpret:R/4/0 rc 0/0 LustreError: 3216:0:(osc_request.c:1860:brw_interpret()) LBUG Call Trace: [c0000003e9343870] [c000000000008190] .show_stack+0x7c/0x184 (unreliable) [c0000003e9343920] [80000000009f0c1c] .libcfs_debug_dumpstack+0x9c/0xe0 [libcfs] [c0000003e93439c0] [80000000009f1260] .lbug_with_loc+0x50/0xc0 [libcfs] [c0000003e9343a50] [8000000004445918] .brw_interpret+0xd28/0xec0 [osc] [c0000003e9343b70] [800000000383b8a4] .ptlrpc_check_set+0x384/0x3c40 [ptlrpc] [c0000003e9343d10] [800000000387d86c] .ptlrpcd_check+0x5bc/0x760 [ptlrpc] [c0000003e9343e30] [800000000387dd28] .ptlrpcd+0x318/0x4d0 [ptlrpc] [c0000003e9343f90] [c00000000001a9e0] .kernel_thread+0x54/0x70 ^GMessage from syslogd@(none) at Oct 16 14:37:37 ... kernel:LustreError: 3216:0:(osc_request.c:1860:brw_interpret()) LBUG Kernel panic - not syncing: LBUG Call Trace: [c0000003e9343880] [c000000000008190] .show_stack+0x7c/0x184 (unreliable) [c0000003e9343930] [c000000000432c0c] .panic+0x80/0x1a8 [c0000003e93439c0] [80000000009f12c0] .lbug_with_loc+0xb0/0xc0 [libcfs] [c0000003e9343a50] [8000000004445918] .brw_interpret+0xd28/0xec0 [osc] [c0000003e9343b70] [800000000383b8a4] .ptlrpc_check_set+0x384/0x3c40 [ptlrpc] [c0000003e9343d10] [800000000387d86c] .ptlrpcd_check+0x5bc/0x760 [ptlrpc] [c0000003e9343e30] [800000000387dd28] .ptlrpcd+0x318/0x4d0 [ptlrpc] [c0000003e9343f90] [c00000000001a9e0] .kernel_thread+0x54/0x70 LustreError: dumping log to /tmp/lustre-log.1350423457.3216