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LS240 I/O errors #128

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BrianJKoopman opened this issue Dec 17, 2020 · 0 comments
Open

LS240 I/O errors #128

BrianJKoopman opened this issue Dec 17, 2020 · 0 comments
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@BrianJKoopman
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agent: ls240 bug Something isn't working
Milestone
v0.2.1

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@BrianJKoopman
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Similar to #7 the LS240s don't handle I/O errors well.

At Penn we saw the USB hub seemingly drop all connections for 1 second, during which a write call was happening, which failed, causing all LS240 Agents to crash.

agent logs:

2020-12-17T21:59:13+0000 acq:1 Crash in thread: [Failure instance: Traceback: <class 'serial.serialutil.SerialException'>: write failed: [Errno 5] Input/output error
/usr/lib/python3.6/threading.py:916:_bootstrap_inner
/usr/lib/python3.6/threading.py:864:run
/usr/local/lib/python3.6/dist-packages/twisted/_threads/_threadworker.py:46:work
/usr/local/lib/python3.6/dist-packages/twisted/_threads/_team.py:190:doWork
--- <exception caught here> ---
/usr/local/lib/python3.6/dist-packages/twisted/python/threadpool.py:250:inContext
/usr/local/lib/python3.6/dist-packages/twisted/python/threadpool.py:266:<lambda>
/usr/local/lib/python3.6/dist-packages/twisted/python/context.py:122:callWithContext
/usr/local/lib/python3.6/dist-packages/twisted/python/context.py:85:callWithContext
LS240_agent.py:249:start_acq
/app/socs/socs/Lakeshore/Lakeshore240.py:280:get_reading
/app/socs/socs/Lakeshore/Lakeshore240.py:106:msg
/usr/local/lib/python3.6/dist-packages/serial/serialposix.py:571:write
]
2020-12-17T21:59:13+0000 acq:1 Status is now "done".

dmesg logs:

[Thu Dec 17 16:53:45 2020] usb 3-4: USB disconnect, device number 69
[Thu Dec 17 16:53:45 2020] usb 3-4.1: USB disconnect, device number 70
[Thu Dec 17 16:53:45 2020] xhci_hcd 0000:00:14.0: WARN Cannot submit Set TR Deq Ptr
[Thu Dec 17 16:53:45 2020] xhci_hcd 0000:00:14.0: A Set TR Deq Ptr command is pending.
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB8: failed set request 0x7 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB8: failed set request 0x12 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB8: failed set request 0x0 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB8: cp210x converter now disconnected from ttyUSB8
[Thu Dec 17 16:53:45 2020] cp210x 3-4.1:1.0: device disconnected
[Thu Dec 17 16:53:45 2020] usb 3-4.2: USB disconnect, device number 71
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB9: failed set request 0x7 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB9: failed set request 0x12 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB9: failed set request 0x0 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB9: cp210x converter now disconnected from ttyUSB9
[Thu Dec 17 16:53:45 2020] cp210x 3-4.2:1.0: device disconnected
[Thu Dec 17 16:53:45 2020] usb 3-4.3: USB disconnect, device number 72
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB10: failed set request 0x7 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB10: failed set request 0x12 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB10: failed set request 0x0 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB10: cp210x converter now disconnected from ttyUSB10
[Thu Dec 17 16:53:45 2020] cp210x 3-4.3:1.0: device disconnected
[Thu Dec 17 16:53:45 2020] usb 3-4.4: USB disconnect, device number 73
[Thu Dec 17 16:53:45 2020] usb 3-4.4.1: USB disconnect, device number 74
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB11: failed set request 0x7 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB11: failed set request 0x12 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB11: failed set request 0x0 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB11: cp210x converter now disconnected from ttyUSB11
[Thu Dec 17 16:53:45 2020] cp210x 3-4.4.1:1.0: device disconnected
[Thu Dec 17 16:53:45 2020] usb 3-4.4.2: USB disconnect, device number 75
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB12: failed set request 0x7 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB12: failed set request 0x12 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB12: failed set request 0x0 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB12: cp210x converter now disconnected from ttyUSB12
[Thu Dec 17 16:53:45 2020] cp210x 3-4.4.2:1.0: device disconnected
[Thu Dec 17 16:53:45 2020] usb 3-4.4.3: USB disconnect, device number 76
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB13: failed set request 0x7 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB13: failed set request 0x12 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB13: failed set request 0x0 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB13: cp210x converter now disconnected from ttyUSB13
[Thu Dec 17 16:53:45 2020] cp210x 3-4.4.3:1.0: device disconnected
[Thu Dec 17 16:53:45 2020] usb 3-4.4.4: USB disconnect, device number 77
[Thu Dec 17 16:53:45 2020] usb 3-4.4.4.1: USB disconnect, device number 78
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB14: failed set request 0x7 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB14: failed set request 0x12 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB14: failed set request 0x0 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB14: cp210x converter now disconnected from ttyUSB14
[Thu Dec 17 16:53:45 2020] cp210x 3-4.4.4.1:1.0: device disconnected
[Thu Dec 17 16:53:45 2020] usb 3-4.4.4.2: USB disconnect, device number 79
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB15: failed set request 0x7 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB15: failed set request 0x12 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB15: failed set request 0x0 status: -19
[Thu Dec 17 16:53:45 2020] cp210x ttyUSB15: cp210x converter now disconnected from ttyUSB15
[Thu Dec 17 16:53:45 2020] cp210x 3-4.4.4.2:1.0: device disconnected
[Thu Dec 17 16:53:45 2020] usb 3-4: new high-speed USB device number 80 using xhci_hcd
[Thu Dec 17 16:53:46 2020] usb 3-4: New USB device found, idVendor=2109, idProduct=2812, bcdDevice=90.90
[Thu Dec 17 16:53:46 2020] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[Thu Dec 17 16:53:46 2020] usb 3-4: Product: USB2.0 Hub             
[Thu Dec 17 16:53:46 2020] usb 3-4: Manufacturer: VIA Labs, Inc.         
[Thu Dec 17 16:53:46 2020] hub 3-4:1.0: USB hub found
[Thu Dec 17 16:53:46 2020] hub 3-4:1.0: 4 ports detected
[Thu Dec 17 16:53:46 2020] usb 3-4.1: new full-speed USB device number 81 using xhci_hcd
[Thu Dec 17 16:53:46 2020] usb 3-4.1: New USB device found, idVendor=1fb9, idProduct=0205, bcdDevice= 1.00
[Thu Dec 17 16:53:46 2020] usb 3-4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Thu Dec 17 16:53:46 2020] usb 3-4.1: Product: Lake Shore Temperature Monitor
[Thu Dec 17 16:53:46 2020] usb 3-4.1: Manufacturer: Silicon Labs
[Thu Dec 17 16:53:46 2020] usb 3-4.1: SerialNumber: LSA24AZ
[Thu Dec 17 16:53:46 2020] cp210x 3-4.1:1.0: cp210x converter detected
[Thu Dec 17 16:53:46 2020] usb 3-4.1: cp210x converter now attached to ttyUSB0
[Thu Dec 17 16:53:46 2020] usb 3-4.2: new full-speed USB device number 82 using xhci_hcd
[Thu Dec 17 16:53:46 2020] usb 3-4.2: New USB device found, idVendor=1fb9, idProduct=0205, bcdDevice= 1.00
[Thu Dec 17 16:53:46 2020] usb 3-4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Thu Dec 17 16:53:46 2020] usb 3-4.2: Product: Lake Shore Temperature Monitor
[Thu Dec 17 16:53:46 2020] usb 3-4.2: Manufacturer: Silicon Labs
[Thu Dec 17 16:53:46 2020] usb 3-4.2: SerialNumber: LSA24LW
[Thu Dec 17 16:53:46 2020] cp210x 3-4.2:1.0: cp210x converter detected
[Thu Dec 17 16:53:46 2020] usb 3-4.2: cp210x converter now attached to ttyUSB1
[Thu Dec 17 16:53:46 2020] usb 3-4.3: new full-speed USB device number 83 using xhci_hcd
[Thu Dec 17 16:53:46 2020] usb 3-4.3: New USB device found, idVendor=1fb9, idProduct=0205, bcdDevice= 1.00
[Thu Dec 17 16:53:46 2020] usb 3-4.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Thu Dec 17 16:53:46 2020] usb 3-4.3: Product: Model 240 Temperature Monitor
[Thu Dec 17 16:53:46 2020] usb 3-4.3: Manufacturer: Silicon Labs
[Thu Dec 17 16:53:46 2020] usb 3-4.3: SerialNumber: LSA24M9
[Thu Dec 17 16:53:46 2020] cp210x 3-4.3:1.0: cp210x converter detected
[Thu Dec 17 16:53:46 2020] usb 3-4.3: cp210x converter now attached to ttyUSB2
[Thu Dec 17 16:53:46 2020] usb 3-4.4: new high-speed USB device number 84 using xhci_hcd
[Thu Dec 17 16:53:47 2020] usb 3-4.4: New USB device found, idVendor=2109, idProduct=2812, bcdDevice=90.90
[Thu Dec 17 16:53:47 2020] usb 3-4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[Thu Dec 17 16:53:47 2020] usb 3-4.4: Product: USB2.0 Hub             
[Thu Dec 17 16:53:47 2020] usb 3-4.4: Manufacturer: VIA Labs, Inc.         
[Thu Dec 17 16:53:47 2020] hub 3-4.4:1.0: USB hub found
[Thu Dec 17 16:53:47 2020] hub 3-4.4:1.0: 4 ports detected
[Thu Dec 17 16:53:47 2020] usb 3-4.4.1: new full-speed USB device number 85 using xhci_hcd
[Thu Dec 17 16:53:47 2020] usb 3-4.4.1: New USB device found, idVendor=1fb9, idProduct=0205, bcdDevice= 1.00
[Thu Dec 17 16:53:47 2020] usb 3-4.4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Thu Dec 17 16:53:47 2020] usb 3-4.4.1: Product: Lake Shore Temperature Monitor
[Thu Dec 17 16:53:47 2020] usb 3-4.4.1: Manufacturer: Silicon Labs
[Thu Dec 17 16:53:47 2020] usb 3-4.4.1: SerialNumber: LSA24R2
[Thu Dec 17 16:53:47 2020] cp210x 3-4.4.1:1.0: cp210x converter detected
[Thu Dec 17 16:53:47 2020] usb 3-4.4.1: cp210x converter now attached to ttyUSB3
[Thu Dec 17 16:53:47 2020] usb 3-4.4.2: new full-speed USB device number 86 using xhci_hcd
[Thu Dec 17 16:53:47 2020] usb 3-4.4.2: New USB device found, idVendor=1fb9, idProduct=0205, bcdDevice= 1.00
[Thu Dec 17 16:53:47 2020] usb 3-4.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Thu Dec 17 16:53:47 2020] usb 3-4.4.2: Product: Lake Shore Temperature Monitor
[Thu Dec 17 16:53:47 2020] usb 3-4.4.2: Manufacturer: Silicon Labs
[Thu Dec 17 16:53:47 2020] usb 3-4.4.2: SerialNumber: LSA24LQ
[Thu Dec 17 16:53:47 2020] cp210x 3-4.4.2:1.0: cp210x converter detected
[Thu Dec 17 16:53:47 2020] usb 3-4.4.2: cp210x converter now attached to ttyUSB4
[Thu Dec 17 16:53:47 2020] usb 3-4.4.3: new full-speed USB device number 87 using xhci_hcd
[Thu Dec 17 16:53:47 2020] usb 3-4.4.3: New USB device found, idVendor=1fb9, idProduct=0205, bcdDevice= 1.00
[Thu Dec 17 16:53:47 2020] usb 3-4.4.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Thu Dec 17 16:53:47 2020] usb 3-4.4.3: Product: Lake Shore Temperature Monitor
[Thu Dec 17 16:53:47 2020] usb 3-4.4.3: Manufacturer: Silicon Labs
[Thu Dec 17 16:53:47 2020] usb 3-4.4.3: SerialNumber: LSA24LN
[Thu Dec 17 16:53:47 2020] cp210x 3-4.4.3:1.0: cp210x converter detected
[Thu Dec 17 16:53:47 2020] usb 3-4.4.3: cp210x converter now attached to ttyUSB5
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4: new high-speed USB device number 88 using xhci_hcd
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4: New USB device found, idVendor=2109, idProduct=2812, bcdDevice=90.90
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4: Product: USB2.0 Hub             
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4: Manufacturer: VIA Labs, Inc.         
[Thu Dec 17 16:53:48 2020] hub 3-4.4.4:1.0: USB hub found
[Thu Dec 17 16:53:48 2020] hub 3-4.4.4:1.0: 4 ports detected
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.1: new full-speed USB device number 89 using xhci_hcd
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.1: New USB device found, idVendor=1fb9, idProduct=0205, bcdDevice= 1.00
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.1: Product: Model 240 Temperature Monitor
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.1: Manufacturer: Silicon Labs
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.1: SerialNumber: LSA22YY
[Thu Dec 17 16:53:48 2020] cp210x 3-4.4.4.1:1.0: cp210x converter detected
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.1: cp210x converter now attached to ttyUSB6
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.2: new full-speed USB device number 90 using xhci_hcd
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.2: New USB device found, idVendor=1fb9, idProduct=0205, bcdDevice= 1.00
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.2: Product: Model 240 Temperature Monitor
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.2: Manufacturer: Silicon Labs
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.2: SerialNumber: LSA22YW
[Thu Dec 17 16:53:48 2020] cp210x 3-4.4.4.2:1.0: cp210x converter detected
[Thu Dec 17 16:53:48 2020] usb 3-4.4.4.2: cp210x converter now attached to ttyUSB7
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