On May 15 2022, Josef Bacik <josef@xxxxxxxxxxxxxx> wrote:
> On Sun, May 15, 2022 at 11:45 AM Nikolaus Rath <nikolaus@xxxxxxxx> wrote:
>>
>> Hi,
>>
>> I am observing some strange errors when using the Kernel's NBD driver with NBDkit.
>>
>> On the kernel side, I see:
>>
>> May 15 16:16:11 vostro.rath.org kernel: nbd0: detected capacity change from 0 to 104857600
>> May 15 16:16:11 vostro.rath.org kernel: nbd1: detected capacity change from 0 to 104857600
>> May 15 16:18:23 vostro.rath.org kernel: block nbd0: Possible stuck request
>> 00000000ae5feee7: control (write@4836316160,32768B). Runtime 30 seconds
>> May 15 16:18:25 vostro.rath.org kernel: block nbd0: Possible stuck request
>> 000000007094eddc: control (write@5372947456,10240B). Runtime 30 seconds
>
> The server isn't responding to the request fast enough, and you don't
> have a timeout set so it'll just hang until you disconnect.
Are you saying it will continue to hang even after the request has been
responded to? Because NBDkit claims to have sent a response (I'm not
sure if within 30 seconds, but definitely at some point).
Best,
-Nikolaus
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