[Info-vax] Processes hang on USB-access
Joukj
joukj at hrem.nano.tudelft.nl
Mon Feb 21 07:50:26 EST 2022
Volker Halle wrote:
> Jouk,
>
> please force a crash. Then you can look at the static situation without SDA possibly going to RWAST ;-)
This morning I did not succeed to crash teh system. Decwindows is on the
console and CRTL-F2 failed. Probably I need a LK keyboard (and not a
PC-keyboard as is connected now). I may still have one, but I'll have to
look where it is.
>
> Device 'bsy' indicates, that the device has IOs pending and is probably waiting for an interrupt. Still: possible HW or driver problem.
>
That's is logical. What I see is a hang of each process trying to
perform I/O on the USB-disk.
hmm.. I do not think it is a driver problem, since on the boot-member I
have attached another USB-drive (also 2GB) which already runs for 215
days since the last reboot. The machine(s) giving problems are all
satelites of this boot-member.
> There is a USB$SDA SDA extension, try SDA> USB HELP
I'll have a look at that.
Jouk
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