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Bug #4318
openzfs panic: BAD TRAP occurred in module "unix" due to an illegal access to a user address
Status:
New
Priority:
Normal
Assignee:
-
Category:
zfs - Zettabyte File System
Start date:
2013-11-13
Due date:
% Done:
0%
Estimated time:
Difficulty:
Medium
Tags:
needs-triage
Gerrit CR:
Description
Latest Illumos git as of 11/11/13, running on an OI 151a8 base.
System with only two pools - an rpool and a single-disk SATA pool solely used as a dump device.
Did a "reboot", system panic'd on the way down.
vmdump available at http://skysrv.pha.jhu.edu/~rercola/zfs_vmdump (2.5G).
Unsure what else prompted this, as I've lit. never seen this panic before, and this system isn't special, really...
> ::panicinfo cpu 5 thread ffffff2356247860 message BAD TRAP: type=e (#pf Page fault) rp=ffffff00f5c6f4c0 addr=fb1feedfad3 occurred in module "unix" due to an illegal access to a user address rdi ffffff23748f2030 rsi 0 rdx 600 rcx 2 r8 fb1feedfabb r9 0 rax ffffff2356247860 rbx ffffff23748f2030 rbp ffffff00f5c6f620 r10 fffffffffb85e5a8 r11 ffffff238b0bb320 r12 1 r13 ffffff238b0bb320 r14 ffffff238b0bb320 r15 4 fsbase 0 gsbase ffffff2329308580 ds 4b es 4b fs 0 gs 1c3 trapno e err 0 rip fffffffffb86a3e4 cs 30 rflags 10282 rsp ffffff00f5c6f5b8 ss 0 gdt_hi 0 gdt_lo c00001ef idt_hi 0 idt_lo e0000fff ldt 0 task 70 cr0 80050033 cr2 fb1feedfad3 cr3 10551be000 cr4 6f8 > ::stack mutex_owner_running+0x14() arc_cksum_compute+0x34(ffffff238b5d5f10, 0) arc_buf_freeze+0x71(ffffff238b5d5f10) dbuf_rele_and_unlock+0x10d(ffffff238b5d8678, fffffffff790a827) dbuf_rele+0x30(ffffff238b5d8678, fffffffff790a827) dmu_buf_rele_array+0x50(ffffff23d47d1b00, 1, fffffffff790a827) dmu_read+0x180(ffffff230f69fbc0, 8e5f, 0, 1000, fffffe202c1ec000, 0) zfs_fillpage+0x13a(ffffff238c0cb800, 0, ffffff2377739a60, feddc000, ffffff00f5c6fb40, 8000) zfs_getpage+0x27f(ffffff238c0cb800, 0, 1000, ffffff00f5c6fbdc, ffffff00f5c6fb40, 8000) fop_getpage+0x7e(ffffff238c0cb800, 0, 1000, ffffff00f5c6fbdc, ffffff00f5c6fb40, 8000) segvn_fault+0x13ff(ffffff23783c9680, ffffff2377739a60, feddc000, 1000, 0, 1) as_fault+0x342(ffffff23783c9680, ffffff237819e900, feddc000, 1, 0, 1) pagefault+0x96(feddc000, 0, 1, 0) trap+0xdc3(ffffff00f5c6ff00, feddc000, 5) 0xfffffffffb8002ba() > ::zfs_dbgmsg spa=rpool1 async request task=1 txg 60770 open pool version 5000; software version 5000/5; uts 5.11 mptsas_horrid i86pc vdev /dev/dsk/c0d0s0, capacity 1953520127, altern lba 1953525167 capacity change: vdev /dev/dsk/c0d0s0, psize 1000196349440, max_psize 1000196349440 vdev /dev/dsk/c0d0s0, capacity 1953520127, altern lba 1953525167 capacity change: vdev /dev/dsk/c0d0s0, psize 1000196349440, max_psize 1000196349440 txg 24502 open pool version 5000; software version 5000/5; uts blackbox5 5.11 mptsas_horrid i86pc txg 60931 snapshot rpool1/ROOT/mpt_sas-2013-11-11@2013-11-12-18:33:40 (id 264) txg 60931 set rpool1/ROOT/mpt_sas-2013-11-11@2013-11-12-18:33:40 (id 264) org.opensolaris.libbe:policy=static ioctl snapshot txg 60939 destroy rpool1/ROOT/mpt_sas-2013-11-11@2013-11-12-18:33:40 (id 264) freed 1007 blocks in 10ms from free_bpobj/bptree txg 60939 ioctl destroy_snaps
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