ad0: Danger Will Robinson

Hello!

We have a problem with FreeBSD RELENG_6
system has hang up 'cause of lot lof messages:
ad0: req=0xXXXXXXX SETFEATURES SET TRANSFER MODE semaphore timeout !!
DANGER Will Robinson !!
ad0: req=0xXXXXXXX SETFEATURES SET TRANSFER MODE semaphore timeout !!
DANGER Will Robinson !!
ad0: req=0xXXXXXXX SETFEATURES SET TRANSFER MODE semaphore timeout !!
DANGER Will Robinson !!

Our system is
MotherBoard:    Intel SE7520BD2 with 1 Xeon (HyperThreading)
HDD             :    ad0: 19092MB <Seagate ST320014A 3.07> at ata0-master
UDMA100
for details see the full /var/run/dmesg.boot

 in namespace, AE_BAD_CHARACTER
SearchNode 0xc2329d60 StartNode 0xc2329d60 ReturnNode 0xc23271c0
    ACPI-1304: *** Error: Method execution failed [\\_GPE.PXL1] (Node
0xc2329d60), AE
_BAD_CHARACTER
ioapic0 <Version 2.0> irqs 0-23 on motherboard
ioapic1 <Version 2.0> irqs 24-47 on motherboard
ioapic2 <Version 2.0> irqs 48-71 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <A M I OEMRSDT> on motherboard
acpi0: Power Button (fixed)
pci_link0: <ACPI PCI Link LNKA> irq 10 on acpi0
pci_link1: <ACPI PCI Link LNKB> irq 11 on acpi0
pci_link2: <ACPI PCI Link LNKC> irq 15 on acpi0
pci_link3: <ACPI PCI Link LNKD> irq 7 on acpi0
pci_link4: <ACPI PCI Link LNKE> irq 0 on acpi0
pci_link5: <ACPI PCI Link LNKF> irq 0 on acpi0
pci_link6: <ACPI PCI Link LNKG> irq 0 on acpi0
pci_link7: <ACPI PCI Link LNKH> irq 5 on acpi0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
cpu1: <ACPI CPU> on acpi0
acpi_throttle1: <ACPI CPU Throttling> on cpu1
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pci0: <unknown> at device 0.1 (no driver attached)
pci0: <base peripheral> at device 1.0 (no driver attached)
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 2.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 0.0 on pci1
pci2: <ACPI PCI bus> on pcib2
em0: <Intel(R) PRO/1000 Network Connection, Version - 2.1.7> port
0xcc80-0xccbf mem 0
xfcee0000-0xfcefffff,0xfcec0000-0xfcedffff irq 28 at device 2.0 on pci2
em0: [GIANT-LOCKED]
em0: Ethernet address: 00:07:e9:14:6a:18
em0:  Speed:N/A  Duplex:N/A
em1: <Intel(R) PRO/1000 Network Connection, Version - 2.1.7> port
0xcc00-0xcc3f mem 0
xfce80000-0xfce9ffff,0xfce60000-0xfce7ffff irq 24 at device 3.0 on pci2
em1: [GIANT-LOCKED]
em1: Ethernet address: 00:07:e9:14:6e:9d
em1:  Speed:N/A  Duplex:N/A
pci1: <base peripheral, interrupt controller> at device 0.1 (no driver
attached)
pcib3: <ACPI PCI-PCI bridge> at device 0.2 on pci1
pci3: <ACPI PCI bus> on pcib3
pci1: <base peripheral, interrupt controller> at device 0.3 (no driver
attached)
pcib4: <ACPI PCI-PCI bridge> irq 16 at device 4.0 on pci0
pci4: <ACPI PCI bus> on pcib4
pcib5: <ACPI PCI-PCI bridge> irq 16 at device 5.0 on pci0
pci5: <ACPI PCI bus> on pcib5
pci5: <network, ethernet> at device 0.0 (no driver attached)
pcib6: <ACPI PCI-PCI bridge> irq 16 at device 6.0 on pci0
pci6: <ACPI PCI bus> on pcib6
pci0: <serial bus, USB> at device 29.0 (no driver attached)
pci0: <serial bus, USB> at device 29.1 (no driver attached)
pci0: <serial bus, USB> at device 29.2 (no driver attached)
pci0: <serial bus, USB> at device 29.7 (no driver attached)
pcib7: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci7: <ACPI PCI bus> on pcib7
em2: <Intel(R) PRO/1000 Network Connection, Version - 2.1.7> port
0xec80-0xecbf mem 0
xfebe0000-0xfebfffff irq 16 at device 4.0 on pci7
em2: [GIANT-LOCKED]
em2: Ethernet address: 00:04:23:b0:16:58
em2:  Speed:N/A  Duplex:N/A
pci7: <display, VGA> at device 12.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH5 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf
c00-0xfc0f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem
0xc0000-0xca7ff,0xca800-0xcbfff,0xcc000-0xcd7ff on i
sa0
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
Timecounters tick every 1.333 msec
ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding enabled,
default to
 accept, logging limited to 10000 packets/entry by default
ad0: 19092MB <Seagate ST320014A 3.07> at ata0-master UDMA100
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
WARNING: /var was not properly dismounted
/var: mount pending error: blocks 564 files 11
WARNING: /usr was not properly dismounted
WARNING: /usr/local was not properly dismounted


-- 
Mike G : mike_at_v.gz.ru
Moscow State University.