Hi Steffen and Dan,


Great Thanks for your kindly help and poiniting me out the apparent issues!  

I used to edit the kernel command line parameters with Notepadd++.
The first line started with "inst.repo" below is the one i used for the first try with fedora. The second line in highlight started with "inst.repo" is the one just used today.
I also tried to rewrite the parameters in a new empty text file.
In either case, the trailing zero will be generated, still don't know why.

But the change on interface name did have effects and did the trick for me! :)







(See attached file: Export as HTML_lpar_v1.htm)










Best Regards

Fulong Wang
System z Technical Engagement – RDBMS, NoSQL, MiddleWare & App on LinuxONE, z Brand Team

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Tel: +86-10-60959006 | Mobile: +86-18600679954 | E-mail: fulong.wang@cn.ibm.com
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Inactive hide details for Dan Horák ---2017/08/18 00:10:08---On Thu, 17 Aug 2017 12:14:27 +0200 Steffen Maier <maier@linux.vnetDan Horák ---2017/08/18 00:10:08---On Thu, 17 Aug 2017 12:14:27 +0200 Steffen Maier <maier@linux.vnet.ibm.com> wrote:

From: Dan Horák <dan@danny.cz>
To: s390x@lists.fedoraproject.org
Date: 2017/08/18 00:10
Subject: Re: Installation of Fedora 26 for s390x stoped on warning on LPAR with RoCE enabled





On Thu, 17 Aug 2017 12:14:27 +0200

Steffen Maier <maier@linux.vnet.ibm.com> wrote:



>

> On 08/17/2017 05:25 AM, Fu Long LL Wang wrote:

> > Recently, i'm setting a linux on z env for a function testing, the

> > lpar has RoCE interface enabled.

> > And i choose Fedora 26 for s390x as the OS, cause some rpm packages

> > only exists on this distribution now.

> >

> >

> > Below are some screen shots when i load the installation media on

> > the lpar. the complete load log is also attached on the end of this

> > mail.

>

> > (See attached file: Export as HTML_lpar.htm)

>

> Excellent debug data!

>

> > inst.repo=https://urldefense.proofpoint.com/v2/url?u=ftp-3A__atsftp-3Azatsftp-40172.16.27.98_zlinux_Fedora26&d=DwIGaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=SHN8YlWUvZXOs9gmg4gZuJ_JtCDpDKwybnzvyA3exSg&m=ABu8JGNzYW2_dzxOCxKX-IyES7U5THeVZfEemGTNThQ&s=fBhAS0oNL86qHCNaISnv38Bt6qIaj1PWJ6qM8U6kfZ8&e=

> > rd.znet=qeth,0.0.300 00,0.0.3001,0.0.3002,layer2=0,portno=0

> > ip=172.16.27.52::172.16.27.1:24:fedroce01

>

> It did not seem to matter but it looks like the 1st device bus-ID of

> the network ccwgroup triplet is 0.0.30000 instead of 0.0.3000, i.e.

> one trailing zero too many?

>

> > 1:enccw0.0.3000:none rd.dasd=0.0.7913

>

>
https://urldefense.proofpoint.com/v2/url?u=https-3A__fedoraproject.org_wiki_Architectures_s390x_24-23Release-5FNotes&d=DwIGaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=SHN8YlWUvZXOs9gmg4gZuJ_JtCDpDKwybnzvyA3exSg&m=ABu8JGNzYW2_dzxOCxKX-IyES7U5THeVZfEemGTNThQ&s=QXTHPlsOiaY3nPNby1PHUj0wBDVhKGL85EDjzo5fCic&e= 

>

> Meanwhile the predictable network interface names

>

>
https://urldefense.proofpoint.com/v2/url?u=https-3A__www.freedesktop.org_wiki_Software_systemd_PredictableNetworkInterfaceNames_&d=DwIGaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=SHN8YlWUvZXOs9gmg4gZuJ_JtCDpDKwybnzvyA3exSg&m=ABu8JGNzYW2_dzxOCxKX-IyES7U5THeVZfEemGTNThQ&s=fFjHpcGL4syu3TGRNQzTo-fPmwJuNJhfti3rybtaWe8&e= 

>
https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_systemd_systemd_blob_43ee6a8128dc751943e25c42a490a833904a58b9_src_udev_udev-2Dbuiltin-2Dnet-5Fid.c-23L94&d=DwIGaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=SHN8YlWUvZXOs9gmg4gZuJ_JtCDpDKwybnzvyA3exSg&m=ABu8JGNzYW2_dzxOCxKX-IyES7U5THeVZfEemGTNThQ&s=27WjAC2bP4Jl2rDq95_tj8ZKNjH7OexLtx360opokao&e= 

>

> changed upstream with

>

>
https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_systemd_systemd_commit_0037a669ac9a2bbedccdb2f483111351e8ff4659&d=DwIGaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=SHN8YlWUvZXOs9gmg4gZuJ_JtCDpDKwybnzvyA3exSg&m=ABu8JGNzYW2_dzxOCxKX-IyES7U5THeVZfEemGTNThQ&s=X0eqINJorCBkVDnkrGx6Jp2BIBCTLCrOQzYIqLeZMfw&e= 

>

> You can also see this in the kernel messages later on:

>

> > [   46.232043] qeth 0.0.3000 enc3000: renamed from eth0

>

> So I would try with

>

> ip=172.16.27.52::172.16.27.1:24:fedroce011:enc3000:none

>

> instead of

>

> ip=172.16.27.52::172.16.27.1:24:fedroce011:enccw0.0.3000:none

>

> Without the network it cannot access inst.repo and thus does not find

> the new initrd containing the installer.

>

> > Warning: /dev/root does not exist



I agree with Steffen, this ^^ message means "we can't transfer the

install.img file over the network", so reviewing and verifying network

connectivity should be the next step.





Dan
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