Public bug reported:
After upgrading to Trusty, my Dell U2711 won't run at its native
2560x1440. Instead, resolution is limited to 1920x1200.
However, if I connect this monitor via displayport, it works fine; it
also worked fine in 13.10.
Some weird things: apparently, the driver thinks the
** Attachment added: Xorg.0.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1311476/+attachment/4093690/+files/Xorg.0.log
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** Attachment added: lspci-vnvn.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1311476/+attachment/4093691/+files/lspci-vnvn.log
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** Attachment added: version.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1311476/+attachment/4093692/+files/version.log
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apport information
** Tags added: apport-collected
** Description changed:
After upgrading to Trusty, my Dell U2711 won't run at its native
2560x1440. Instead, resolution is limited to 1920x1200.
However, if I connect this monitor via displayport, it works fine; it
also worked fine
apport information
** Attachment added: ProcEnviron.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093716/+files/ProcEnviron.txt
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apport information
** Attachment added: Lsusb.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093714/+files/Lsusb.txt
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https://bugs.launchpad.net/bugs/1311476
apport information
** Attachment added: BootDmesg.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093709/+files/BootDmesg.txt
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apport information
** Attachment added: CurrentDmesg.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093711/+files/CurrentDmesg.txt
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apport information
** Attachment added: CRDA.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093710/+files/CRDA.txt
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https://bugs.launchpad.net/bugs/1311476
apport information
** Attachment added: ProcCpuinfo.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093715/+files/ProcCpuinfo.txt
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apport information
** Attachment added: IwConfig.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093712/+files/IwConfig.txt
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apport information
** Attachment added: ProcModules.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093718/+files/ProcModules.txt
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apport information
** Attachment added: RfKill.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093720/+files/RfKill.txt
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https://bugs.launchpad.net/bugs/1311476
apport information
** Attachment added: UdevLog.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093722/+files/UdevLog.txt
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apport information
** Attachment added: Lspci.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093713/+files/Lspci.txt
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https://bugs.launchpad.net/bugs/1311476
apport information
** Attachment added: UdevDb.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093721/+files/UdevDb.txt
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apport information
** Attachment added: ProcInterrupts.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093717/+files/ProcInterrupts.txt
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apport information
** Attachment added: PulseList.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093719/+files/PulseList.txt
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apport information
** Attachment added: WifiSyslog.txt
https://bugs.launchpad.net/bugs/1311476/+attachment/4093723/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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