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fragment
n00b
Joined: 08 Mar 2013
Posts: 26
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 Posted: Fri Jun 27, 2014 4:30 am Post subject: KDE4 Plasma on Hardened Gentoo |
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I switched profile to hardened, rebuilt gcc, glibc and binutils, loaded hardened kernel with grsecurity/PaX options and after these steps plasma-desktop process segfaulting when start. I rebuilt plasma-workspace, plasma-runtime and plasma-apps. Now plasma-desktop can't start thereby:
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QDBusObjectPath: invalid path ""
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(786)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(785): Communication problem with "plasma-desktop" , it probably crashed.
Error message was: "org.freedesktop.DBus.Error.NoReply" : " "Message did not receive a reply (timeout by message bus)" "
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If PaX option "CONFIG_PAX_MPROTECT" is disabled plasma-desktop (and KDE whole) starts and works normally, but I wouldn't to disable one.
emerge --info (kernel is a host kernel, hardened from chroot) |
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Budoka
l33t
Joined: 03 Jun 2012
Posts: 777
Location: Tokyo, Japan
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| Posted: Fri Jun 27, 2014 5:28 am Post subject: |
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| I was under the impression that KDE can't be used as a DE on Gentoo Hardened but I may have misunderstood. |
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Apheus
Guru
Joined: 12 Jul 2008
Posts: 422
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| Posted: Tue Jul 01, 2014 8:58 am Post subject: |
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Look for entries in /var/log/messages. Maybe you find there what grSecurity subsystem killed the process, and why.
I have a "semi-hardened" desktop with KDE. MPROTECT is off because otherwise I would need to pax-mark every program which uses 3d graphics (nvidia-drivers for games). This would be too much work. But plasma-desktop works with 3D in this setup, compiled by hardened toolchain. |
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