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Open Source Operating Systems Software Upgrades Linux

Linux 3.19 Kernel To Start 2015 With Many New Features 66

An anonymous reader writes Linux 3.18 was recently released, thus making Linux 3.19 the version under development as the year comes to a close. Linux 3.19 as the first big kernel update of 2015 is bringing in the new year with many new features: among them are AMDKFD HSA kernel driver, Intel "Skylake" graphics support, Radeon and NVIDIA driver improvements, RAID5/6 improvements for Btrfs, LZ4 compression for SquashFS, better multi-touch support, new input drivers, x86 laptop improvements, etc.
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Linux 3.19 Kernel To Start 2015 With Many New Features

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  • by Anonymous Coward

    It worked always great, then I think after 3.12 it doesn't work anymore. The problem is that most distributions I tried installed with 3.08 or something below, and they all want to upgrade to a newer kernel and all probably want to upgrade utilities - that also could be broken for that chipset. So long story short, due to linux being broken one piece at time, I had to buy a mac :(

    • Sounds somewhat worrying. That's a very popular chip.

      There's always a few things you can do:

      - Talk to LKML.
      - Post a bug report in bugzilla.kernel.org.
      - Find the specific patch which caused the regression with git bisect. Canonical has a good guide on the topic [ubuntu.com] (use "man git-bisect" for more info).

    • by Anonymous Coward

      Could you be more specific on a device that isn't working. I'm pretty sure I have run a device with a version of this chip not long ago without issue. Knowing a specific device might help track down any issues.

      • One of my PCs is a Gateway GT5628 PC with an Intel Q6600 chipset. Shutdown used to work every time on this PC, with kernels around the 2.6.32 version. By 2.6.38, shutdown was unreliable. About half the time shutdown works, and the other half the computer goes through the shutdown process successfully and at the very end, fails to turn itself off, sitting on the text screen with "power down" displayed on the monitor. I have to hold the power button for 4 seconds to complete the shutdown.

        I haven't submit

    • It worked always great, then I think after 3.12 it doesn't work anymore.

      Seems to be working for me with Debian's 3.16.

      Bug report numbers?

  • driver improvements, RAID5/6 improvements for Btrfs, LZ4 compression for SquashFS, better multi-touch support, new input drivers, x86 laptop improvements

    Not sure "new features" is the right summary of changes.

  • Lockup issue (Score:3, Interesting)

    by xluap ( 652530 ) on Thursday December 25, 2014 @11:22PM (#48674063)

    Has the lockup issue been solved?

    http://www.phoronix.com/scan.p... [phoronix.com]

      • That's something different.

        See this LKML page [iu.edu]. Search with CTRL+F for "frequent lockups in 3.18rc4".

        The thread is clearly still going on. As far as I can tell, the bug has not been fixed.

        • Re: (Score:2, Informative)

          by Anonymous Coward

          As far as I know, they found the cause (it seems the kernel doesn't handle well some clock issues and clock overflow), and Linus send a RFC-like patch that kinda "fixes" the thing but it is so hackish that it needs to be discussed, generalized and ironed out. DaveJ doesn't have access to the hardware triggering the issue anymore, so it may be a while before they can actually fix it in a proper manner.

          On the way to figuring out the cause for that bug, they found other lockup issues with similar symptoms but

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