うーん、巨大なデータを転送するとたまにNASがpanicしてしまう。
sambaが怪しい気もするけど、zfsな気もします。
panic[cpu1]/thread=ffffff01cd933e20: BAD TRAP: type=e (#pf Page fault) rp=ffffff00080787a0 addr=ffffff016c8fc5d0 smbd: #pf Page fault Bad kernel fault at addr=0xffffff016c8fc5d0 pid=579, pc=0xfffffffff78a1e11, sp=0xffffff0008078890, eflags=0x10282 cr0: 8005003b<pg,wp,ne,et,ts,mp,pe> cr4: 6f8<xmme,fxsr,pge,mce,pae,pse,de> cr2: ffffff016c8fc5d0 cr3: 12b45c000 cr8: c rdi: fffffffffbd05cd0 rsi: ffffff01ea195480 rdx: ffffff01cd933e20 rcx: ffffff0008078928 r8: 156 r9: 34f281a695b9d73c rax: ffffff016c8fc5d0 rbx: fffffffffbd05cd0 rbp: ffffff00080788f0 r10: 0 r11: 1 r12: d73c r13: 57ea r14: ffffff01ea195480 r15: ffffff0008078928 fsb: 0 gsb: ffffff01cca74540 ds: 4b es: 4b fs: 0 gs: 1c3 trp: e err: 0 rip: fffffffff78a1e11 cs: 30 rfl: 10282 rsp: ffffff0008078890 ss: 38 ffffff0008078680 unix:die+10f () ffffff0008078790 unix:trap+1752 () ffffff00080787a0 unix:cmntrap+e9 () ffffff00080788f0 zfs:buf_hash_find+71 () ffffff0008078990 zfs:arc_read_nolock+67 () ffffff0008078a30 zfs:arc_read+75 () ffffff0008078ad0 zfs:dbuf_read_impl+159 () ffffff0008078b30 zfs:dbuf_read+fe () ffffff0008078bf0 zfs:dmu_buf_hold_array_by_dnode+1bf () ffffff0008078c80 zfs:dmu_buf_hold_array+73 () ffffff0008078d00 zfs:dmu_read_uio+4d () ffffff0008078d90 zfs:zfs_read+19a () ffffff0008078e00 genunix:fop_read+6b () ffffff0008078ec0 genunix:pread64+1f8 () ffffff0008078f10 unix:brand_sys_sysenter+1e6 () syncing file systems... 2 done dumping to /dev/zvol/dsk/rpool/dump, offset 65536, content: kernel NOTICE: ahci0: ahci_tran_reset_dport port 0 reset port > > $c buf_hash_find+0x71(725747c4ac661726, ffffff01ea195480, 57ea, ffffff0008078928) arc_read_nolock+0x67(ffffff01e9a935b0, ffffff01cb24c800, ffffff01ea195480, fffffffff78a9850, ffffff01e4c231c8, 0) arc_read+0x75(ffffff01e9a935b0, ffffff01cb24c800, ffffff01ea195480, ffffff01ea142938, fffffffff78a9850, ffffff01e4c231c8) dbuf_read_impl+0x159(ffffff01e4c231c8, ffffff01e9a935b0, ffffff0008078ae8) dbuf_read+0xfe(ffffff01e4c231c8, ffffff01e9a935b0, 12) dmu_buf_hold_array_by_dnode+0x1bf(ffffff01e4bcea78, 4d2a000, 1000, 1, fffffffff791e2d2, ffffff0008078ca4) dmu_buf_hold_array+0x73(ffffff01d028fac0, 137d, 4d2a000, 1000, 1, fffffffff791e2d2) dmu_read_uio+0x4d(ffffff01d028fac0, 137d, ffffff0008078e40, 1000) zfs_read+0x19a(ffffff01e2858840, ffffff0008078e40, 0, ffffff01d5939928, 0) fop_read+0x6b(ffffff01e2858840, ffffff0008078e40, 0, ffffff01d5939928, 0) pread64+0x1f8(1a, 8467ef7, 1000, 4d2a000, 0) _sys_sysenter_post_swapgs+0x14b() > ::ps S PID PPID PGID SID UID FLAGS ADDR NAME R 0 0 0 0 0 0x00000001 fffffffffbc2c030 sched R 3 0 0 0 0 0x00020001 ffffff01cd007a48 fsflush R 2 0 0 0 0 0x00020001 ffffff01cd0086a8 pageout R 1 0 0 0 0 0x4a004000 ffffff01cd009308 init R 569 1 569 569 60001 0x52000000 ffffff01cd8b9010 proftpd R 801 569 569 569 104 0x52000000 ffffff01cfddec78 proftpd R 567 1 567 567 0 0x42000000 ffffff01cfdc9c88 fmd R 512 1 492 492 0 0x42000000 ffffff01d18d6330 iscsitgtd R 509 1 509 509 0 0x52000000 ffffff01d18d3e10 gdm-binary R 533 509 533 509 0 0x52000000 ffffff01cfdc9028 gdm-binary R 557 533 557 557 50 0x4a004000 ffffff01cfddc6c0 gdmgreeter R 554 533 533 509 0 0x4a004000 ffffff01cfdd7020 fbconsole R 534 533 534 534 0 0x4a004000 ffffff01cfde1198 Xorg R 498 1 493 493 0 0x4a004000 ffffff01cd8b9c70 intrd R 484 1 484 484 25 0x52010000 ffffff01d18d0c90 sendmail R 483 1 483 483 1 0x52000000 ffffff01d18d0030 avahi-daemon-bri R 463 1 462 462 60002 0x52000000 ffffff01d18d2550 mdnsd R 457 1 457 457 0 0x42000000 ffffff01cd003008 syslogd R 450 1 450 450 0 0x42000000 ffffff01cfdcb548 rmvolmgr R 333 1 333 333 0 0x42000000 ffffff01cfde1df8 hald R 334 333 333 333 0 0x4a004000 ffffff01cd8be6b0 hald-runner R 412 334 333 333 0 0x4a004000 ffffff01d33aa6d8 hald-addon-stora R 366 334 333 333 0 0x4a004000 ffffff01cd8bda50 hald-addon-acpi R 365 334 333 333 0 0x4a004000 ffffff01cd8bcdf0 hald-addon-cpufr R 363 334 333 333 0 0x4a004000 ffffff01cfdd9540 hald-addon-netwo R 447 1 447 447 0 0x42000000 ffffff01cfdde018 sshd R 748 447 447 447 0 0x42010000 ffffff01ccff4340 sshd R 749 748 447 447 101 0x52010000 ffffff01d18d4a70 sshd R 752 749 752 752 101 0x4a014000 ffffff01d33a81b8 bash R 764 752 764 752 0 0x4a014000 ffffff01d33a9a78 bash R 385 1 385 385 0 0x42000000 ffffff01cfdcda68 inetd R 392 1 392 392 0 0x42000000 ffffff01d18d31b0 utmpd R 390 1 390 390 0 0x42000000 ffffff01cfde4318 slpd R 371 1 371 371 0 0x42000000 ffffff01cfde36b8 automountd R 372 371 371 371 0 0x42000000 ffffff01cd005528 automountd R 362 1 362 362 0 0x42000000 ffffff01cfde2a58 in.ndpd R 354 1 354 354 1 0x42000000 ffffff01cfdcce08 rpcbind R 335 1 335 335 0 0x52010000 ffffff01cfdda1a0 smbd R 579 335 335 335 103 0x52010000 ffffff01cfddf8d8 smbd R 344 335 335 335 0 0x52000000 ffffff01cfdce6c8 smbd R 314 1 314 314 0 0x42000000 ffffff01cd8bc190 dbus-daemon R 279 1 279 279 0 0x42010000 ffffff01cfdca8e8 cron R 216 1 216 216 0 0x42000000 ffffff01cd8bb530 xntpd R 181 1 181 181 0 0x42000000 ffffff01cfddae00 picld R 126 1 126 126 0 0x42000000 ffffff01cfddba60 syseventd R 145 1 145 145 0 0x42000000 ffffff01cfde0538 nscd R 142 1 142 142 0 0x42000000 ffffff01cfdd88e0 powerd R 70 1 70 70 0 0x42000000 ffffff01cd8ba8d0 devfsadm R 55 1 55 55 1 0x42000000 ffffff01cd003c68 kcfd R 15 1 15 15 15 0x42000000 ffffff01cd006de8 dlmgmtd R 9 1 9 9 0 0x42000000 ffffff01cd0048c8 svc.configd R 7 1 7 7 0 0x42000000 ffffff01cd006188 svc.startd R 394 7 394 394 0 0x4a004000 ffffff01cfdcc1a8 ttymon R 377 7 377 377 0 0x4a014000 ffffff01cfddd320 sac R 430 377 377 377 0 0x4a014000 ffffff01cfdcf328 ttymon > q
一つずつ潰しこんでいくしかなさそうです。