[CentOS-devel] Subject=Re: secure boot comments

Thu Jun 26 18:32:06 UTC 2014
Fabian Arrotin <fabian.arrotin at arrfab.net>

On 26/06/14 20:26, Keivan Motavalli wrote:
> I downloaded and burned livecd-centos-7-live-gnome-201406261459.iso
> (checking its hashsum).
> 
> It does boot flawlessly on a lenovo thinkpad T430-2349H3G using uefi
> only and secureboot enabled.
> 
> modsign-uefi throws "Couldn't parse DBX signatures: -74", but the boot
> process continues.
> 
> The live image, however, is not usable, neither textually nor graphically.
> 
> The laptop comes with an integrated 3G modem, "Ericsson HSPA+ WWAN
> Minicard (H5321gw)". modem-manager.service fails to start, and
> subsequently also "systemd-logind.service" repetitively fails to
> starts, leaving the system in an unusable state, without any working
> tty and/or display manager.
> 
> IMHO, systemd-logind tries to start getty on one of the 3g modem
> serial interfaces, probably not recognizing it as one, thus failing.
> 
> disabling the integrated modem and wlan adapter via a physical switch
> is a workaround to the issue. This seems to be a fedora 19-20 bug gone
> unfixed into RHEL7.
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> Subject: [CentOS-devel] Subject=:  secure boot comments
> From: =indows-1252?Q?Keivan_Motavalli?= <motavalli.keivan at gmail.com>
> To: =indows-1252?Q?To=?= <538CF11A.9020707 at karan.org>, 
>  =indows-1252?Q?centos-devel at centos.org?= <centos-devel at centos.org>
> Date: Thu, 26 Jun 2014 18:26:25 +0000
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> 
> I downloaded and burned livecd-centos-7-live-gnome-201406261459.iso
> (checking its hashsum).
> 
> It does boot flawlessly on a lenovo thinkpad T430-2349H3G using uefi
> only and secureboot enabled.
> 
> modsign-uefi throws "Couldn't parse DBX signatures: -74", but the boot
> process continues.
> 
> The live image, however, is not usable, neither textually nor graphically.
> 
> The laptop comes with an integrated 3G modem, "Ericsson HSPA+ WWAN
> Minicard (H5321gw)". modem-manager.service fails to start, and
> subsequently also "systemd-logind.service" repetitively fails to
> starts, leaving the system in an unusable state, without any working
> tty and/or display manager.
> 
> IMHO, systemd-logind tries to start getty on one of the 3g modem
> serial interfaces, probably not recognizing it as one, thus failing.
> 
> disabling the integrated modem and wlan adapter via a physical switch
> is a workaround to the issue. This seems to be a fedora 19-20 bug gone
> unfixed into RHEL7.

Thanks for the report, and also for the "workaround". I found quite a
bunch of issues like that one being reported on bugzilla for Fedora too.
Maybe worth mentioning on the wiki/annoucement if we have no real fix for GA

Cheers,


-- 
Fabian Arrotin
gpg key: 56BEC54E | twitter: @arrfab