Odd ada(4) failures when trying using USB scanner

[Michael Reifenberger]

Hi,
I'm using -current as of r202157.

When attaching an epson USB scanner and trying to `scanimage -L`
I get a freeze for some time and the following console logs:
...
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ahcich1: Timeout on slot 19
ahcich1: is 04000000 cs 00080000 ss 00080000 rs 00080000 tfd 451 serr 00400000
ahcich2: Timeout on slot 20
ahcich2: is 04000000 cs 00100000 ss 00100000 rs 00100000 tfd 451 serr 00400000
ahcich3: Timeout on slot 18
ahcich3: is 04000000 cs 00040000 ss 00000000 rs 00040000 tfd 451 serr 00400000
ahcich3: Timeout on slot 18
ahcich3: is 00000000 cs 00040000 ss 00000000 rs 00040000 tfd c0 serr 00000001
ugen2.2: <EPSON> at usbus2 (disconnected)
ahcich2: Timeout on slot 20
ahcich2: is 00000000 cs 00300000 ss 00000000 rs 00300000 tfd c0 serr 00000001
ahcich0: Timeout on slot 24
ahcich0: is 04000000 cs 01000000 ss 01000000 rs 01000000 tfd 451 serr 00400000
mfi0: 32975 (318240776s/0x0008/info) - Battery charge complete
ahcich0: Timeout on slot 24
ahcich0: is 00000000 cs 01000000 ss 00000000 rs 01000000 tfd c0 serr 00000001
...

After the timeouts the system is usable again.

It seems the new ATA-CAM subsystem doesn't like the CAM or USB scanning 
for known scanners.

Any clues how to fix?

Thanks id advance!

Bye/2
---
Michael Reifenberger
Michael at Reifenberger.com
http://www.Reifenberger.com
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Copyright (c) 1992-2010 The FreeBSD Project.
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	The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 9.0-CURRENT #1 r202157M: Tue Jan 12 18:45:55 CET 2010
    root at fs.reifenberger.com:/usr/obj/usr/src/sys/fs amd64
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Phenom(tm) II X4 905e Processor (2500.15-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x100f42  Stepping = 2
  Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x802009<SSE3,MON,CX16,POPCNT>
  AMD Features=0xee500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM,3DNow!+,3DNow!>
  AMD Features2=0x37ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,SKINIT,WDT>
  TSC: P-state invariant
real memory  = 4294967296 (4096 MB)
avail memory = 3845758976 (3667 MB)
ACPI APIC Table: <092309 APIC1429>
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s)
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
 cpu2 (AP): APIC ID:  2
 cpu3 (AP): APIC ID:  3
ACPI Warning: Optional field Pm2ControlBlock has zero address or length:        0       0/1 (20091214/tbfadt-655)
ioapic0 <Version 2.1> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <092309 RSDT1429> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of fee00000, 1000 (3) failed
acpi0: reservation of ffb80000, 80000 (3) failed
acpi0: reservation of fec10000, 20 (3) failed
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, cff00000 (3) failed
ACPI HPET table warning: Sequence is non-zero (2)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 900
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0xd000-0xd0ff mem 0xd0000000-0xdfffffff,0xfe9f0000-0xfe9fffff,0xfe800000-0xfe8fffff irq 18 at device 5.0 on pci1
pci1: <multimedia, HDA> at device 5.1 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> irq 19 at device 3.0 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib3: <PCI-PCI bridge> at device 0.0 on pci2
pci3: <PCI bus> on pcib3
mfi0: <Dell PERC 5/i> mem 0xfdef0000-0xfdefffff,0xfeae0000-0xfeafffff irq 17 at device 14.0 on pci3
mfi0: Megaraid SAS driver Ver 3.00 
mfi0: 32941 (318240169s/0x0020/info) - Shutdown command received from host
mfi0: 32942 (boot + 0s/0x0020/info) - Firmware initialization started (PCI ID 0015/1028/1f03/1028)
mfi0: 32943 (boot + 0s/0x0020/info) - Firmware version 1.12.150-0438
mfi0: 32944 (boot + 1s/0x0008/info) - Battery Present
mfi0: 32945 (boot + 1s/0x0020/info) - Package version 7.0.1-0051
mfi0: 32946 (boot + 1s/0x0020/info) - Board Revision @?\^_\^B?A\^\\^B
mfi0: 32947 (boot + 7s/0x0002/info) - Inserted: PD 00(e0xff/s0)
mfi0: 32948 (boot + 7s/0x0002/info) - Inserted: PD 00(e0xff/s0) Info: enclPd=ffff, scsiType=0, portMap=00, sasAddr=1221000000000000,0000000000000000
mfi0: 32949 (boot + 7s/0x0002/WARN) - PD 00(e0xff/s0) is not a certified drive
mfi0: 32950 (boot + 7s/0x0002/info) - Inserted: PD 01(e0xff/s1)
mfi0: 32951 (boot + 7s/0x0002/info) - Inserted: PD 01(e0xff/s1) Info: enclPd=ffff, scsiType=0, portMap=01, sasAddr=1221000001000000,0000000000000000
mfi0: 32952 (boot + 7s/0x0002/WARN) - PD 01(e0xff/s1) is not a certified drive
mfi0: 32953 (boot + 7s/0x0002/info) - Inserted: PD 02(e0xff/s2)
mfi0: 32954 (boot + 7s/0x0002/info) - Inserted: PD 02(e0xff/s2) Info: enclPd=ffff, scsiType=0, portMap=02, sasAddr=1221000002000000,0000000000000000
mfi0: 32955 (boot + 7s/0x0002/WARN) - PD 02(e0xff/s2) is not a certified drive
mfi0: 32956 (boot + 7s/0x0002/info) - Inserted: PD 03(e0xff/s3)
mfi0: 32957 (boot + 7s/0x0002/info) - Inserted: PD 03(e0xff/s3) Info: enclPd=ffff, scsiType=0, portMap=03, sasAddr=1221000003000000,0000000000000000
mfi0: 32958 (boot + 7s/0x0002/WARN) - PD 03(e0xff/s3) is not a certified drive
mfi0: 32959 (boot + 7s/0x0002/info) - Inserted: PD 04(e0xff/s4)
mfi0: 32960 (boot + 7s/0x0002/info) - Inserted: PD 04(e0xff/s4) Info: enclPd=ffff, scsiType=0, portMap=04, sasAddr=1221000004000000,0000000000000000
mfi0: 32961 (boot + 7s/0x0002/WARN) - PD 04(e0xff/s4) is not a certified drive
mfi0: 32962 (boot + 7s/0x0002/info) - Inserted: PD 05(e0xff/s5)
mfi0: 32963 (boot + 7s/0x0002/info) - Inserted: PD 05(e0xff/s5) Info: enclPd=ffff, scsiType=0, portMap=05, sasAddr=1221000005000000,0000000000000000
mfi0: 32964 (boot + 7s/0x0002/WARN) - PD 05(e0xff/s5) is not a certified drive
mfi0: 32965 (boot + 7s/0x0002/info) - Inserted: PD 06(e0xff/s6)
mfi0: 32966 (boot + 7s/0x0002/info) - Inserted: PD 06(e0xff/s6) Info: enclPd=ffff, scsiType=0, portMap=06, sasAddr=1221000006000000,0000000000000000
mfi0: 32967 (boot + 7s/0x0002/WARN) - PD 06(e0xff/s6) is not a certified drive
mfi0: 32968 (boot + 7s/0x0002/info) - Inserted: PD 07(e0xff/s7)
mfi0: 32969 (boot + 7s/0x0002/info) - Inserted: PD 07(e0xff/s7) Info: enclPd=ffff, scsiType=0, portMap=07, sasAddr=1221000007000000,0000000000000000
mfi0: 32970 (boot + 7s/0x0002/WARN) - PD 07(e0xff/s7) is not a certified drive
mfi0: 32971 (318240198s/0x0020/info) - Time established as 01/31/10  8:03:18; (8 seconds since power on)
mfi0: 32972 (318240256s/0x0008/info) - Battery temperature is normal
mfi0: [ITHREAD]
pcib4: <PCI-PCI bridge> at device 0.2 on pci2
pci4: <PCI bus> on pcib4
pcib5: <ACPI PCI-PCI bridge> irq 16 at device 4.0 on pci0
pci5: <ACPI PCI bus> on pcib5
re0: <RealTek 8168/8168B/8168C/8168CP/8168D/8168DP/8111B/8111C/8111CP/8111DP PCIe Gigabit Ethernet> port 0xe800-0xe8ff mem 0xfebff000-0xfebfffff,0xfdff0000-0xfdffffff irq 16 at device 0.0 on pci5
re0: Using 1 MSI messages
re0: Chip rev. 0x3c000000
re0: MAC rev. 0x00400000
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211B media interface> PHY 1 on miibus0
rgephy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
re0: Ethernet address: 00:30:18:ae:19:44
re0: [FILTER]
ahci0: <ATI IXP700 AHCI SATA controller> port 0xc000-0xc007,0xb000-0xb003,0xa000-0xa007,0x9000-0x9003,0x8000-0x800f mem 0xfe7ffc00-0xfe7fffff irq 22 at device 17.0 on pci0
ahci0: [ITHREAD]
ahci0: AHCI v1.10 with 4 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]
ohci0: <OHCI (generic) USB controller> mem 0xfe7fe000-0xfe7fefff irq 16 at device 18.0 on pci0
ohci0: [ITHREAD]
usbus0: <OHCI (generic) USB controller> on ohci0
ohci1: <OHCI (generic) USB controller> mem 0xfe7fd000-0xfe7fdfff irq 16 at device 18.1 on pci0
ohci1: [ITHREAD]
usbus1: <OHCI (generic) USB controller> on ohci1
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfe7ff800-0xfe7ff8ff irq 17 at device 18.2 on pci0
ehci0: [ITHREAD]
ehci0: AMD SB600/700 quirk applied
usbus2: EHCI version 1.0
usbus2: <EHCI (generic) USB 2.0 controller> on ehci0
ohci2: <OHCI (generic) USB controller> mem 0xfe7fc000-0xfe7fcfff irq 18 at device 19.0 on pci0
ohci2: [ITHREAD]
usbus3: <OHCI (generic) USB controller> on ohci2
ohci3: <OHCI (generic) USB controller> mem 0xfe7fb000-0xfe7fbfff irq 18 at device 19.1 on pci0
ohci3: [ITHREAD]
usbus4: <OHCI (generic) USB controller> on ohci3
ehci1: <EHCI (generic) USB 2.0 controller> mem 0xfe7ff400-0xfe7ff4ff irq 19 at device 19.2 on pci0
ehci1: [ITHREAD]
ehci1: AMD SB600/700 quirk applied
usbus5: EHCI version 1.0
usbus5: <EHCI (generic) USB 2.0 controller> on ehci1
pci0: <serial bus, SMBus> at device 20.0 (no driver attached)
atapci0: <ATI IXP700/800 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 20.1 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
pci0: <multimedia, HDA> at device 20.2 (no driver attached)
isab0: <PCI-ISA bridge> at device 20.3 on pci0
isa0: <ISA bus> on isab0
pcib6: <ACPI PCI-PCI bridge> at device 20.4 on pci0
pci6: <ACPI PCI bus> on pcib6
ohci4: <OHCI (generic) USB controller> mem 0xfe7fa000-0xfe7fafff irq 18 at device 20.5 on pci0
ohci4: [ITHREAD]
usbus6: <OHCI (generic) USB controller> on ohci4
acpi_button0: <Power Button> on acpi0
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart0: [FILTER]
fdc0: <floppy drive controller (FDE)> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FILTER]
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: [ITHREAD]
psm0: model IntelliMouse, device ID 3
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
hwpstate0: <Cool`n'Quiet 2.0> on cpu0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
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
ppc0: cannot reserve I/O port range
uart1: <16550 or compatible> at port 0x2f8-0x2ff irq 3 on isa0
uart1: [FILTER]
ZFS filesystem version 3
ZFS storage pool version 14
Timecounters tick every 1.000 msec
kern.ipc.shmmaxpgs is now called kern.ipc.shmall!
Waiting 2 seconds for SCSI devices to settlemfi0: 32973 (318240256s/0x0008/info) - Current capacity of the battery is above threshold

usbus0: 12Mbps Full Speed USB v1.0
usbus1: 12Mbps Full Speed USB v1.0
usbus2: 480Mbps High Speed USB v2.0
usbus3: 12Mbps Full Speed USB v1.0
usbus4: 12Mbps Full Speed USB v1.0
usbus5: 480Mbps High Speed USB v2.0
usbus6: 12Mbps Full Speed USB v1.0
ugen0.1: <ATI> at usbus0
uhub0: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <ATI> at usbus1
uhub1: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
ugen2.1: <ATI> at usbus2
uhub2: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
ugen3.1: <ATI> at usbus3
uhub3: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus3
ugen4.1: <ATI> at usbus4
uhub4: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
ugen5.1: <ATI> at usbus5
uhub5: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus5
ugen6.1: <ATI> at usbus6
uhub6: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus6
uhub6: 2 ports with 2 removable, self powered
uhub0: 3 ports with 3 removable, self powered
uhub1: 3 ports with 3 removable, self powered
uhub3: 3 ports with 3 removable, self powered
uhub4: 3 ports with 3 removable, self powered
mfid0: <MFI Logical Disk> on mfi0
mfid0: 953344MB (1952448512 sectors) RAID volume '' is optimal
mfid1: <MFI Logical Disk> on mfi0
mfid1: 953344MB (1952448512 sectors) RAID volume '' is optimal
mfid2: <MFI Logical Disk> on mfi0
mfid2: 953344MB (1952448512 sectors) RAID volume '' is optimal
mfid3: <MFI Logical Disk> on mfi0
mfid3: 953344MB (1952448512 sectors) RAID volume '' is optimal
mfid4: <MFI Logical Disk> on mfi0
mfid4: 953344MB (1952448512 sectors) RAID volume '' is optimal
mfid5: <MFI Logical Disk> on mfi0
mfid5: 953344MB (1952448512 sectors) RAID volume '' is optimal
mfid6: <MFI Logical Disk> on mfi0
mfid6: 953344MB (1952448512 sectors) RAID volume '' is optimal
mfid7: <MFI Logical Disk> on mfi0
mfid7: 953344MB (1952448512 sectors) RAID volume '' is optimal
uhub2: 6 ports with 6 removable, self powered
uhub5: 6 ports with 6 removable, self powered
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <SAMSUNG HD103UJ 1AA01104> ATA-7 SATA 2.x device
ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO size 8192bytes)
ada0: Command Queueing enabled
ada0: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
ada1: <ST31000340AS SD1A> ATA-8 SATA 2.x device
ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO size 8192bytes)
ada1: Command Queueing enabled
ada1: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
ada2 at ahcich2 bus 0 scbus2 target 0 lun 0
ada2: <SAMSUNG HD103UJ 1AA01104> ATA-7 SATA 2.x device
ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO size 8192bytes)
ada2: Command Queueing enabled
ada2: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
ada3 at ahcich3 bus 0 scbus3 target 0 lun 0
ada3: <SAMSUNG HD103UJ 1AA01104> ATA-7 SATA 2.x device
ada3: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO size 8192bytes)
ada3: Command Queueing enabled
ada3: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
ada4 at ata1 bus 0 scbus5 target 0 lun 0
ada4: <ST31000340AS SD1A> ATA-8 SATA 2.x device
ada4: 150.000MB/s transfers (SATA 0.x, UDMA6, PIO size 8192bytes)
ada4: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
ada5 at ata1 bus 0 scbus5 target 1 lun 0
ada5: <SAMSUNG HD103UJ 1AA01104> ATA-7 SATA 2.x device
ada5: 150.000MB/s transfers (SATA 0.x, UDMA6, PIO size 8192bytes)
ada5: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
SMP: AP CPU #2 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #1 Launched!
ugen0.2: <fidi> at usbus0
uftdi0: <usb serial converter> on usbus0
Root mount waiting for: usbus2
ugen2.2: <EPSON> at usbus2
Trying to mount root from zfs:x/ROOT/fbsd9
ugen0.3: <ftdi> at usbus0
uftdi1: <usb serial converter> on usbus0
mfi0: 32974 (318240321s/0x0008/info) - Battery started charging
warning: KLD '/boot/modules/vboxdrv.ko' is newer than the linker.hints file
vboxdrv: fAsync=0 offMin=0xbf5 offMax=0x16da
warning: KLD '/boot/modules/vboxnetadp.ko' is newer than the linker.hints file
vboxnet0: Ethernet address: 0a:00:27:00:00:00
re0: link state changed to UP
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ahcich1: Timeout on slot 19
ahcich1: is 04000000 cs 00080000 ss 00080000 rs 00080000 tfd 451 serr 00400000
ahcich2: Timeout on slot 20
ahcich2: is 04000000 cs 00100000 ss 00100000 rs 00100000 tfd 451 serr 00400000
ahcich3: Timeout on slot 18
ahcich3: is 04000000 cs 00040000 ss 00000000 rs 00040000 tfd 451 serr 00400000
ahcich3: Timeout on slot 18
ahcich3: is 00000000 cs 00040000 ss 00000000 rs 00040000 tfd c0 serr 00000001
ugen2.2: <EPSON> at usbus2 (disconnected)
ahcich2: Timeout on slot 20
ahcich2: is 00000000 cs 00300000 ss 00000000 rs 00300000 tfd c0 serr 00000001
ahcich0: Timeout on slot 24
ahcich0: is 04000000 cs 01000000 ss 01000000 rs 01000000 tfd 451 serr 00400000
mfi0: 32975 (318240776s/0x0008/info) - Battery charge complete
ahcich0: Timeout on slot 24
ahcich0: is 00000000 cs 01000000 ss 00000000 rs 01000000 tfd c0 serr 00000001
ugen2.2: <EPSON> at usbus2
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ata1: FAILURE - odd-sized DMA transfer attempt 5 % 2
ata1: setting up DMA failed
ahcich0: Timeout on slot 14
ahcich0: is 04000000 cs 00004000 ss 00000000 rs 00004000 tfd 451 serr 00400000
ahcich3: Timeout on slot 12
ahcich3: is 04000000 cs 00001000 ss 00001000 rs 00001000 tfd 451 serr 00400000
ahcich3: Timeout on slot 12
ahcich3: is 00000000 cs 00001000 ss 00000000 rs 00001000 tfd c0 serr 00000001
ahcich2: Timeout on slot 3
ahcich2: is 04000000 cs 00000008 ss 00000008 rs 00000008 tfd 451 serr 00400000
ahcich2: Timeout on slot 3
ahcich2: is 00000000 cs 00000008 ss 00000000 rs 00000008 tfd c0 serr 00000001
ahcich1: Timeout on slot 2
ahcich1: is 04000000 cs 00000004 ss 00000004 rs 00000004 tfd 451 serr 00400000
ahcich0: Timeout on slot 14
ahcich0: is 00000000 cs 00004000 ss 00004000 rs 00004000 tfd c0 serr 00000001
ugen2.2: <EPSON> at usbus2 (disconnected)
pid 78531 (xfce4-settings-help), uid 0: exited on signal 11 (core dumped)