Re: arm64 support? When?
On Sunday 14 January 2018 19:47:51 Paul Wise wrote:
> On Sun, Jan 14, 2018 at 11:43 PM, Gene Heskett wrote:
> > Why was that limited? Its a gigabit port now.
>
> This is the commit that changed it:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/com
>mit/?id=bc631943faba6fc3f755748091ada31798fb7d50
>
> PS: here is how I found the commit:
>
> $ git clone
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git $
> cd linux
> $ git log -p -i --grep rock64
> commit e1915c8195b38393005be9b74bfa6a3a367c83b3
> ...
> arm64: dts: rockchip: limit rk3328-rock64 gmac speed to 100MBit
> for now commit f48f66a962a54c3d26d688c3df5441c9d1ba8730
> ...
> And a second stopgap is limiting the speed of the gmac on the
> rk3328-rock64 to 100MBit. While the hardware can reach 1GBit,
> currently it is not stable. Limiting it to 100MBit for the time being
> allows nfsroots to be used again until the problem is identified.
> ...
> arm64: dts: rockchip: limit rk3328-rock64 gmac speed to 100MBit
> for now ...
> commit bc631943faba6fc3f755748091ada31798fb7d50
> ...
> arm64: dts: rockchip: limit rk3328-rock64 gmac speed to 100MBit
> for now
>
> It looks like either the current kernel or the hardware has
> reliability issues when the gmac is actually running at 1GBit. In my
> test-case it is not able to boot on a nfsroot at this speed, as the
> system will always lose the connection to the nfs-server during boot,
> before reaching any login prompt and not recover from this.
>
> So until this is solved, limit the speed to 100MBit as with this
> the nfsroot survives stress tests like an apt-get upgrade without
> problems. ...
> + /* shows instability at 1GBit right now */
> + max-speed = <100>;
Which I think demo's why I haven't used any nfs shares, or cifs/samba for
that matter, in 3 or more years on any platform here at the coyote.den.
It never was "stable" for me.
While sshfs Just Works.
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
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