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Sign upqvm-block doesn't see devices attached to UsbVMs #393
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marmarek
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added this to the Release 1 Beta 3 milestone
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C: core
P: major
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Comment by joanna on 26 Dec 2011 09:53 UTC
Additionally, when trying to manually expose USB device from my UsbVM to Dom0, by typing:
xl block-attach 0 phy:/dev/sda xvdz r usbvm
got the following in Dom0's dmesg:
[XENBUS: Waiting for devices to initialise: 295s...290s...285s...280s...275s...270s...265s...260s...255s...250s...245s...240s...235s...230s...225s...220s...215s...210s...205s...200s...195s...190s...185s...180s...175s...170s...165s...160s...155s...150s...145s...140s...135s...130s...125s...120s...115s...110s...105s...100s...95s...90s...85s...80s...75s...70s...65s...60s...55s...50s...45s...40s...35s...30s...25s...20s...15s...10s...5s...0s...
[46235.972432](45941.048087]) XENBUS: Timeout connecting to device: device/vbd/268441856 (local state 3, remote state 1)
[46235.972438] XENBUS: Device not ready: device/vbd/268441856
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Comment by joanna on 26 Dec 2011 09:53 UTC got the following in Dom0's dmesg: |
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Comment by marmarek on 26 Dec 2011 20:01 UTC
This additional problem is most likely from not loaded frontend module in UsbVM.
But main problem is missing (really: disabled) udev rules file. This file also loads block frontend when first device detected.
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Comment by marmarek on 26 Dec 2011 20:01 UTC |
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Comment by marmarek on 27 Dec 2011 16:47 UTC
http://git.qubes-os.org/gitweb/?p=marmarek/core.git;a=commit;h=0cab96ad6de746659f954d24296ef2056e7e0f27
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Comment by marmarek on 27 Dec 2011 16:47 UTC |
marmarek commentedMar 8, 2015
Reported by joanna on 25 Dec 2011 21:07 UTC
I created a usbvm that has an OHCI controlled assigned. After I plugged a UDB storage device (that is correctly seen within the UsbVM as /dev/sda), it is not reported by qvm-block -l, and so cannot be used with any other VMs.
Migrated-From: https://wiki.qubes-os.org/ticket/393