Fedora 35 and nbd

[Rabin Yasharzadehe]

yes,  typo. my bad

I'm with Lenovo P50. But I don't think it's related to the hardware.


--
Rabin


On Mon, 13 Dec 2021 at 12:26, Valery Reznic <valery_reznic at yahoo.com> wrote:

> You meant can't reproduce?
> I tried to boot from live-usb Fedora 35 3 different lenovo thinkpad
> laptops and problem presents on all of them.
>
> What computer with fedora you have?
>
> Valery
>
>
> On Sunday, December 12, 2021, 06:16:51 PM GMT+2, Rabin Yasharzadehe <
> rabin at rabin.io> wrote:
>
>
> On Fedora 35, and I can reproduce your case,
>
> # modprobe nbd nbds_max=3 && ls -l /dev/nbd* | wc -l
> 3
> # modprobe -r nbd
> # modprobe nbd nbds_max=42 && ls -l /dev/nbd* | wc -l
> 42
>
>
>
>
> --
> Rabin
>
>
> On Sun, 12 Dec 2021 at 18:01, Valery Reznic <valery_reznic at yahoo.com>
> wrote:
>
> Hello.
> Recently I faced strange problem - when I load nbd module on my freshly
> installed fedora 35 x86-64 there are only 8 nbd devices nbd0 - nbd7, while
> modinfo shows nbds_max=16
> When I load nbd with nbds_max=32 - same thing, 8 nbd devices.
>
> But loading nbd with nbds_max<= 7 works like expected.
>
> Looks like there is a limit somewhere.
>
> I looked in the udev rules, in logs, but so far found nothing of interest.
> Do you have any idea what it can be and how investigate the issue?
>
> Valery
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