nfe taskq kernel panic

Arnaud Lacombe lacombar at gmail.com
Thu May 5 18:22:10 UTC 2011


Hi,

On Thu, May 5, 2011 at 1:37 PM, Emil Muratov <gpm at hotplug.ru> wrote:
>
>
> Hi all.
>
> I have a small home router/nas running nvidia ion platform with onboard nfe
> LAN adapter.
> About a month ago I changed ISP and setup pppoe client with mpd5.5. Since
> that time my router
> issues kernel panic once or twice a day with "Fatal trap 12: page fault
> while in kernel mode" and (nfe0 taskq) is the current process.
> Updating to the latest stable doesn't help. I don’t know what to do next,
> any help would be much appreciated. Below is kgdb backtrace, dmesg output,
> kernel config file, if anything is missing just let me know.
>
Your error looks like a nice use-after-free. Could you 'disassemble
0xffffffff8037d7bb' in gdb, and find the matching faulty dereference ?
I'd tend not to trust code relying on "big hack", as per the preamble
of m_megapullup():

/*
 * m_megapullup() - this function is a big hack.
 * Thankfully, it's only used in ng_nat and ipfw+nat.
 *...

which look like a re-invention of m_copydata()...

 - Arnaud

> Thanx.
>
>
>
> =====
> epia.home.lan dumped core - see /crash/vmcore.15
>
> Thu May  5 18:29:58 MSD 2011
>
> FreeBSD epia.home.lan 8.2-STABLE FreeBSD 8.2-STABLE #1: Tue May  3 22:11:56
> MSD 2011     root at epia.home.lan:/usr/obj/usr/src/sys/ION4debug  amd64
>
> panic: page fault
>
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "amd64-marcel-freebsd"...
>
> Unread portion of the kernel message buffer:
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0xffffff800ff02ac8
> fault code              = supervisor write data, page not present
> instruction pointer     = 0x20:0xffffffff8037d7bb
> stack pointer           = 0x28:0xffffff80000fde20
> frame pointer           = 0x28:0xffffff80000fde60
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                        = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 0 (nfe0 taskq)
> trap number             = 12
> panic: page fault
> cpuid = 0
> KDB: stack backtrace:
> #0 0xffffffff802a97a3 at kdb_backtrace+0x5e
> #1 0xffffffff8027aa98 at panic+0x182
> #2 0xffffffff804466d0 at trap_fatal+0x292
> #3 0xffffffff80446a85 at trap_pfault+0x286
> #4 0xffffffff80446f2f at trap+0x3cb
> #5 0xffffffff8042ff54 at calltrap+0x8
> #6 0xffffffff8035ceb4 at ipfw_nat+0x20a
> #7 0xffffffff803547e3 at ipfw_chk+0xbaf
> #8 0xffffffff8035977c at ipfw_check_hook+0xf9
> #9 0xffffffff8032a221 at pfil_run_hooks+0x9c
> #10 0xffffffff8035fe84 at ip_input+0x2d0
> #11 0xffffffff8032947f at netisr_dispatch_src+0x71
> #12 0xffffffff80c22cab at ng_iface_rcvdata+0xdc
> #13 0xffffffff80c18964 at ng_apply_item+0x20a
> #14 0xffffffff80c17afd at ng_snd_item+0x2a1
> #15 0xffffffff80c18964 at ng_apply_item+0x20a
> #16 0xffffffff80c17afd at ng_snd_item+0x2a1
> #17 0xffffffff80c25305 at ng_ppp_rcvdata+0x202
> Uptime: 18h57m47s
> Physical memory: 2005 MB
> Dumping 1644 MB: 1629 1613 1597 1581 1565 1549 1533 1517 1501 1485 1469 1453
> 1437 1421 1405 1389 1373 1357 1341 1325 1309 1293 1277 1261 1245 1229 1213
> 1197 1181 1165 1149 1133 1117 1101 1085 1069 1053 1037 1021 1005 989 973 957
> 941 925 909 893 877 861 845 829 813 797 781 765 749 733 717 701 685 669 653
> 637 621 605 589 573 557 541 525 509 493 477 461 445 429 413 397 381 365 349
> 333 317 301 285 269 253 237 221 205 189 173 157 141 125 109 93 77 61 45 29
> 13
>
> Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
> /boot/kernel/zfs.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/zfs.ko
> Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from
> /boot/kernel/opensolaris.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/opensolaris.ko
> Reading symbols from /boot/kernel/krpc.ko...Reading symbols from
> /boot/kernel/krpc.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/krpc.ko
> Reading symbols from /boot/kernel/if_nfe.ko...Reading symbols from
> /boot/kernel/if_nfe.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/if_nfe.ko
> Reading symbols from /boot/kernel/aio.ko...Reading symbols from
> /boot/kernel/aio.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/aio.ko
> Reading symbols from /boot/kernel/alias_ftp.ko...Reading symbols from
> /boot/kernel/alias_ftp.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/alias_ftp.ko
> Reading symbols from /boot/kernel/if_stf.ko...Reading symbols from
> /boot/kernel/if_stf.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/if_stf.ko
> Reading symbols from /boot/kernel/ng_socket.ko...Reading symbols from
> /boot/kernel/ng_socket.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/ng_socket.ko
> Reading symbols from /boot/kernel/netgraph.ko...Reading symbols from
> /boot/kernel/netgraph.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/netgraph.ko
> Reading symbols from /boot/kernel/ng_mppc.ko...Reading symbols from
> /boot/kernel/ng_mppc.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/ng_mppc.ko
> Reading symbols from /boot/kernel/rc4.ko...Reading symbols from
> /boot/kernel/rc4.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/rc4.ko
> Reading symbols from /boot/kernel/ng_iface.ko...Reading symbols from
> /boot/kernel/ng_iface.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/ng_iface.ko
> Reading symbols from /boot/kernel/ng_ppp.ko...Reading symbols from
> /boot/kernel/ng_ppp.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/ng_ppp.ko
> Reading symbols from /boot/kernel/ng_tee.ko...Reading symbols from
> /boot/kernel/ng_tee.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/ng_tee.ko
> Reading symbols from /boot/kernel/ng_ether.ko...Reading symbols from
> /boot/kernel/ng_ether.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/ng_ether.ko
> Reading symbols from /boot/kernel/ng_pppoe.ko...Reading symbols from
> /boot/kernel/ng_pppoe.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/ng_pppoe.ko
> Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from
> /boot/kernel/accf_http.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/accf_http.ko
> Reading symbols from /boot/kernel/accf_data.ko...Reading symbols from
> /boot/kernel/accf_data.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/accf_data.ko
> Reading symbols from /boot/kernel/ng_tcpmss.ko...Reading symbols from
> /boot/kernel/ng_tcpmss.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/ng_tcpmss.ko
> #0  doadump () at pcpu.h:224
> 224     pcpu.h: No such file or directory.
>        in pcpu.h
> (kgdb) #0  doadump () at pcpu.h:224
> #1  0xffffffff8027a615 in boot (howto=260)
>    at /usr/src/sys/kern/kern_shutdown.c:419
> #2  0xffffffff8027aa82 in panic (fmt=Variable "fmt" is not available.)
>    at /usr/src/sys/kern/kern_shutdown.c:592
> #3  0xffffffff804466d0 in trap_fatal (frame=0xc, eva=Variable "eva" is not
> available.)
>    at /usr/src/sys/amd64/amd64/trap.c:811
> #4  0xffffffff80446a85 in trap_pfault (frame=0xffffff80000fe720, usermode=0)
>    at /usr/src/sys/amd64/amd64/trap.c:727
> #5  0xffffffff80446f2f in trap (frame=0xffffff80000fe720)
>    at /usr/src/sys/amd64/amd64/trap.c:477
> #6  0xffffffff8042ff54 in calltrap ()
>    at /usr/src/sys/amd64/amd64/exception.S:228
> #7  0xffffffff80c2c8ce in pppoe_findsession (privp=Variable "privp" is not
> available.)
>    at /usr/src/sys/modules/netgraph/pppoe/../../../netgraph/ng_pppoe.c:566
> #8  0xffffffff80c2cfe7 in ng_pppoe_rcvdata_ether (hook=Variable "hook" is
> not available.)
>    at /usr/src/sys/modules/netgraph/pppoe/../../../netgraph/ng_pppoe.c:1613
> #9  0xffffffff80c18964 in ng_apply_item (node=0xffffff002105ec00,
>    item=0xffffff0054a36500, rw=0)
>    at
> /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:2327
> #10 0xffffffff80c17afd in ng_snd_item (item=0xffffff0054a36500, flags=0)
>    at
> /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:2244
> #11 0xffffffff80320b5a in ether_demux (ifp=0xffffff0006862800,
>    m=0xffffff0039907700) at /usr/src/sys/net/if_ethersubr.c:911
> #12 0xffffffff80320f41 in ether_input (ifp=0xffffff0006862800,
>    m=0xffffff0039907700) at /usr/src/sys/net/if_ethersubr.c:753
> #13 0xffffffff80320aa2 in ether_demux (ifp=0xffffff0001676800,
>    m=0xffffff0039907700) at /usr/src/sys/net/if_ethersubr.c:803
> #14 0xffffffff80320f41 in ether_input (ifp=0xffffff0001676800,
>    m=0xffffff0039907700) at /usr/src/sys/net/if_ethersubr.c:753
> #15 0xffffffff809eb76e in nfe_jrxeof (sc=0xffffff80003ae000, count=185,
>    rx_npktsp=0x0) at /usr/src/sys/modules/nfe/../../dev/nfe/if_nfe.c:2303
> #16 0xffffffff809effea in nfe_int_task (arg=Variable "arg" is not
> available.)
>    at /usr/src/sys/modules/nfe/../../dev/nfe/if_nfe.c:1899
> #17 0xffffffff802b3f7e in taskqueue_run_locked (queue=0xffffff0001722700)
>    at /usr/src/sys/kern/subr_taskqueue.c:248
> #18 0xffffffff802b410c in taskqueue_thread_loop (arg=Variable "arg" is not
> available.)
>    at /usr/src/sys/kern/subr_taskqueue.c:385
> #19 0xffffffff80252d5d in fork_exit (
>    callout=0xffffffff802b40c4 <taskqueue_thread_loop>,
>    arg=0xffffff80003ae1b8, frame=0xffffff80000fec50)
>    at /usr/src/sys/kern/kern_fork.c:865
> #20 0xffffffff8043049e in fork_trampoline ()
>    at /usr/src/sys/amd64/amd64/exception.S:603
> #21 0x0000000000000000 in ?? ()
> #22 0x0000000000000000 in ?? ()
> #23 0x0000000000000000 in ?? ()
> #24 0x0000000000000000 in ?? ()
> #25 0x0000000000000000 in ?? ()
> #26 0x0000000000000000 in ?? ()
> #27 0x0000000000000000 in ?? ()
> #28 0x0000000000000000 in ?? ()
> #29 0x0000000000000000 in ?? ()
> #30 0x0000000000000000 in ?? ()
> #31 0x0000000000000000 in ?? ()
> #32 0x0000000000000000 in ?? ()
> #33 0x0000000000000000 in ?? ()
> #34 0x0000000000000000 in ?? ()
> #35 0x0000000000000000 in ?? ()
> #36 0x0000000000000000 in ?? ()
> #37 0x0000000000000000 in ?? ()
> #38 0x0000000000000000 in ?? ()
> #39 0x0000000000000000 in ?? ()
> #40 0x0000000000000000 in ?? ()
> #41 0x0000000000000000 in ?? ()
> #42 0x0000000000000000 in ?? ()
> #43 0x0000000000000000 in ?? ()
> #44 0x0000000000000000 in ?? ()
> #45 0xffffffff80665140 in affinity ()
> #46 0x0000000000000000 in ?? ()
> #47 0x0000000000000000 in ?? ()
> #48 0xffffff0001741460 in ?? ()
> #49 0xffffff80000fe380 in ?? ()
> #50 0xffffff80000fe328 in ?? ()
> #51 0xffffff00015b8000 in ?? ()
> #52 0xffffffff8029d819 in sched_switch (td=0xffffffff802b40c4,
>    newtd=0xffffff80003ae1b8, flags=Variable "flags" is not available.
> ) at /usr/src/sys/kern/sched_ule.c:1859
> Previous frame inner to this frame (corrupt stack?)
> (kgdb)
>
>
> DMESG
> ---
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>        The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 8.2-STABLE #1: Tue May  3 22:11:56 MSD 2011
>    root at epia.home.lan:/usr/obj/usr/src/sys/ION4debug amd64
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Atom(TM) CPU  330   @ 1.60GHz (1600.01-MHz K8-class CPU)
>  Origin = "GenuineIntel"  Id = 0x106c2  Family = 6  Model = 1c  Stepping = 2
>  Features=0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>  Features2=0x40e31d<SSE3,DTES64,MON,DS_CPL,TM2,SSSE3,CX16,xTPR,PDCM,MOVBE>
>  AMD Features=0x20000800<SYSCALL,LM>
>  AMD Features2=0x1<LAHF>
>  TSC: P-state invariant
> real memory  = 2147483648 (2048 MB)
> avail memory = 2025250816 (1931 MB)
> ACPI APIC Table: <072310 APIC1353>
> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 HTT threads
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP/HT): APIC ID:  1
>  cpu2 (AP): APIC ID:  2
>  cpu3 (AP/HT): APIC ID:  3
> ioapic0: Changing APIC ID to 4
> ioapic0 <Version 1.1> irqs 0-23 on motherboard
> kbd1 at kbdmux0
> cryptosoft0: <software crypto> on motherboard
> acpi0: <072310 RSDT1353> on motherboard
> acpi0: [ITHREAD]
> acpi0: Power Button (fixed)
> acpi0: reservation of fefe1000, 1000 (3) failed
> acpi0: reservation of fee01000, ff000 (3) failed
> acpi0: reservation of fec00000, 1000 (3) failed
> acpi0: reservation of fee00000, 1000 (3) failed
> acpi0: reservation of 0, a0000 (3) failed
> acpi0: reservation of 100000, 7ff00000 (3) failed
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
> acpi_timer0: <32-bit timer at 3.579545MHz> port 0x4008-0x400b on acpi0
> cpu0: <ACPI CPU> on acpi0
> cpu1: <ACPI CPU> on acpi0
> cpu2: <ACPI CPU> on acpi0
> cpu3: <ACPI CPU> on acpi0
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> pci0: <memory, RAM> at device 0.1 (no driver attached)
> isab0: <PCI-ISA bridge> port 0x4f00-0x4fff at device 3.0 on pci0
> isa0: <ISA bus> on isab0
> pci0: <memory, RAM> at device 3.1 (no driver attached)
> pci0: <serial bus, SMBus> at device 3.2 (no driver attached)
> pci0: <memory, RAM> at device 3.3 (no driver attached)
> pci0: <processor> at device 3.5 (no driver attached)
> ohci0: <nVidia nForce MCP79 USB Controller> mem 0xfae7f000-0xfae7ffff irq 16
> at device 4.0 on pci0
> ohci0: [ITHREAD]
> usbus0: <nVidia nForce MCP79 USB Controller> on ohci0
> ehci0: <NVIDIA nForce MCP79 USB 2.0 controller> mem 0xfae7ec00-0xfae7ecff
> irq 18 at device 4.1 on pci0
> ehci0: [ITHREAD]
> usbus1: EHCI version 1.0
> usbus1: <NVIDIA nForce MCP79 USB 2.0 controller> on ehci0
> pcib1: <ACPI PCI-PCI bridge> at device 9.0 on pci0
> pci3: <ACPI PCI bus> on pcib1
> nfe0: <NVIDIA nForce MCP79 Networking Adapter> port 0xd080-0xd087 mem
> 0xfae7d000-0xfae7dfff,0xfae7e800-0xfae7e8ff,0xfae7e400-0xfae7e40f irq 22 at
> device 10.0 on pci0
> miibus0: <MII bus> on nfe0
> rgephy0: <RTL8169S/8110S/8211B media interface> PHY 3 on miibus0
> rgephy0:  10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, 100baseTX-FDX,
> 100baseTX-FDX-flow, 1000baseT, 1000baseT-master, 1000baseT-FDX,
> 1000baseT-FDX-master, 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto,
> auto-flow
> nfe0: Ethernet address: 00:25:22:21:86:89
> nfe0: [FILTER]
> ahci0: <NVIDIA MCP79 AHCI SATA controller> port
> 0xd000-0xd007,0xcc00-0xcc03,0xc880-0xc887,0xc800-0xc803,0xc480-0xc48f mem
> 0xfae76000-0xfae77fff irq 23 at device 11.0 on pci0
> ahci0: [ITHREAD]
> ahci0: AHCI v1.20 with 6 3Gbps ports, Port Multiplier supported
> ahcich0: <AHCI channel> at channel 0 on ahci0
> ahcich0: [ITHREAD]
> ahcich1: <AHCI channel> at channel 1 on ahci0
> ahcich1: [ITHREAD]
> ahcich2: <AHCI channel> at channel 2 on ahci0
> ahcich2: [ITHREAD]
> ahcich3: <AHCI channel> at channel 3 on ahci0
> ahcich3: [ITHREAD]
> ahcich4: <AHCI channel> at channel 4 on ahci0
> ahcich4: [ITHREAD]
> ahcich5: <AHCI channel> at channel 5 on ahci0
> ahcich5: [ITHREAD]
> pcib2: <ACPI PCI-PCI bridge> irq 20 at device 12.0 on pci0
> pci2: <ACPI PCI bus> on pcib2
> pcib3: <ACPI PCI-PCI bridge> at device 16.0 on pci0
> pci1: <ACPI PCI bus> on pcib3
> vgapci0: <VGA-compatible display> port 0xec00-0xec7f mem
> 0xfb000000-0xfbffffff,0xe0000000-0xefffffff,0xf6000000-0xf7ffffff irq 21 at
> device 0.0 on pci1
> acpi_button0: <Power Button> on acpi0
> acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed00fff irq 2,8
> on acpi0
> Timecounter "HPET" frequency 25000000 Hz quality 900
> atrtc0: <AT realtime clock> port 0x70-0x71 on acpi0
> uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
> uart0: [FILTER]
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=0x300>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> atkbd0: [ITHREAD]
> p4tcc0: <CPU Frequency Thermal Control> on cpu0
> p4tcc1: <CPU Frequency Thermal Control> on cpu1
> p4tcc2: <CPU Frequency Thermal Control> on cpu2
> p4tcc3: <CPU Frequency Thermal Control> on cpu3
> ZFS filesystem version 5
> ZFS storage pool version 28
> Timecounters tick every 1.000 msec
> ipfw2 (+ipv6) initialized, divert enabled, nat enabled, rule-based
> forwarding enabled, default to deny, logging disabled
> load_dn_sched dn_sched FIFO loaded
> load_dn_sched dn_sched PRIO loaded
> load_dn_sched dn_sched QFQ loaded
> load_dn_sched dn_sched RR loaded
> load_dn_sched dn_sched WF2Q+ loaded
> usbus0: 12Mbps Full Speed USB v1.0
> usbus1: 480Mbps High Speed USB v2.0
> ugen0.1: <nVidia> at usbus0
> uhub0: <nVidia OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
> ugen1.1: <nVidia> at usbus1
> uhub1: <nVidia EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
> ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
> ada0: <SAMSUNG HD154UI 1AG01118> ATA-7 SATA 2.x device
> ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada0: Command Queueing enabled
> ada0: 1430799MB (2930277168 512 byte sectors: 16H 63S/T 16383C)
> ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
> ada1: <ST31500341AS CC1H> ATA-8 SATA 2.x device
> ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada1: Command Queueing enabled
> ada1: 1430799MB (2930277168 512 byte sectors: 16H 63S/T 16383C)
> ada2 at ahcich2 bus 0 scbus2 target 0 lun 0
> ada2: <SAMSUNG HD204UI 1AQ10001> ATA-8 SATA 2.x device
> ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada2: Command Queueing enabled
> ada2: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
> ada3 at ahcich3 bus 0 scbus3 target 0 lun 0
> ada3: <SAMSUNG HD154UI 1AG01118> ATA-7 SATA 2.x device
> ada3: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada3: Command Queueing enabled
> ada3: 1430799MB (2930277168 512 byte sectors: 16H 63S/T 16383C)
> SMP: AP CPU #3 Launched!
> SMP: AP CPU #1 Launched!
> SMP: AP CPU #2 Launched!
> uhub0: 10 ports with 10 removable, self powered
> Root mount waiting for: usbus1
> Root mount waiting for: usbus1
> Root mount waiting for: usbus1
> Root mount waiting for: usbus1
> uhub1: 10 ports with 10 removable, self powered
> Trying to mount root from zfs:rz
>
>
> KERNCONF
> --------
>>
>> grep -v -e "^#" /root/conf/ION4debug
>
> cpu             HAMMER
> ident           ION4debug
>
> makeoptions     DEBUG=-g                # Build kernel with gdb(1) debug
> symbols
>
> options         SCHED_ULE               # ULE scheduler
> options         PREEMPTION              # Enable kernel thread preemption
> options         INET                    # InterNETworking
> options         INET6                   # IPv6 communications protocols
> options         FFS                     # Berkeley Fast Filesystem
> options         SOFTUPDATES             # Enable FFS soft updates support
> options         UFS_ACL                 # Support for access control lists
> options         UFS_DIRHASH             # Improve performance on big
> directories
> options         UFS_GJOURNAL            # Enable gjournal-based UFS
> journaling
> options         PROCFS                  # Process filesystem (requires
> PSEUDOFS)
> options         PSEUDOFS                # Pseudo-filesystem framework
> options         GEOM_PART_GPT           # GUID Partition Tables.
> options         GEOM_LABEL              # Provides labelization
> options         COMPAT_43TTY            # BSD 4.3 TTY compat (sgtty)
> options         SCSI_DELAY=5000         # Delay (in ms) before probing SCSI
> options         KTRACE                  # ktrace(1) support
> options         STACK                   # stack(9) support
> options         SYSVSHM                 # SYSV-style shared memory
> options         SYSVMSG                 # SYSV-style message queues
> options         SYSVSEM                 # SYSV-style semaphores
> options         P1003_1B_SEMAPHORES     # POSIX-style semaphores
> options         _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time
> extensions
> options         PRINTF_BUFR_SIZE=128    # Prevent printf output being
> interspersed.
> options         KBD_INSTALL_CDEV        # install a CDEV entry in /dev
> options         HWPMC_HOOKS             # Necessary kernel hooks for
> hwpmc(4)
> options         AUDIT                   # Security event auditing
> options         MAC                     # TrustedBSD MAC Framework
> options         FLOWTABLE               # per-cpu routing cache
> options         INCLUDE_CONFIG_FILE     # Include this file in kernel
>
> options         KDB                     # Kernel debugger related code
> options         KDB_TRACE               # Print a stack trace for a panic
>
> options         SMP                     # Symmetric MultiProcessor Kernel
>
> device          cpufreq
>
> options         DEVICE_POLLING
> options         IPFIREWALL
> options         IPDIVERT
> options         IPFIREWALL_FORWARD
> options         IPFIREWALL_NAT
> options         IPSTEALTH
> options         DUMMYNET
>
> options         LIBALIAS
>
> device          crypto
>
> device          acpi
> device          pci
>
> device          ahci
>
> device          scbus           # SCSI bus (required for SCSI)
> device          da              # Direct Access (disks)
> device          pass            # Passthrough device (direct SCSI access)
>
> device          atkbdc          # AT keyboard controller
> device          atkbd           # AT keyboard
> device          psm             # PS/2 mouse
>
> device          kbdmux          # keyboard multiplexer
>
> device          vga             # VGA video card driver
>
> device          sc
>
> device          uart            # Generic UART driver
>
> device          miibus          # MII bus support
>
> device          loop            # Network loopback
> device          random          # Entropy device
> device          ether           # Ethernet support
> device          vlan            # 802.1Q VLAN support
> device          tun             # Packet tunnel.
> device          pty             # BSD-style compatibility pseudo ttys
> device          md              # Memory "disks"
> device          gif             # IPv6 and IPv4 tunneling
> device          faith           # IPv6-to-IPv4 relaying (translation)
> device          firmware        # firmware assist module
>
> device          bpf             # Berkeley packet filter
>
> device          uhci            # UHCI PCI->USB interface
> device          ohci            # OHCI PCI->USB interface
> device          ehci            # EHCI PCI->USB interface (USB 2.0)
> device          usb             # USB Bus (required)
> device          uhid            # "Human Interface Devices"
> device          ukbd            # Keyboard
> device          umass           # Disks/Mass storage - Requires scbus and da
> device          ums             # Mouse
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