[Qemu-devel] [Bug 942299] Re: Regression in booting HelenOS/ppc under Qemu

[Mark Cave-Ayland]

Just for an update: the TLB patch has been applied to ppc-next by
Andreas and so should be in git master shortly:

http://lists.gnu.org/archive/html/qemu-ppc/2012-03/msg00162.html

I've also reworked the MSR flags patch based upon feedback from
David/Scott and posted a revised version here, for which I'm still
awaiting feedback (I suspect we need to wait for Alex to get back from
holiday before we can get a final decision on this):

http://lists.gnu.org/archive/html/qemu-ppc/2012-04/msg00025.html

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https://bugs.launchpad.net/bugs/942299

Title:
  Regression in booting HelenOS/ppc under Qemu

Status in Home for various HelenOS development branches:
  New
Status in QEMU:
  New

Bug description:
  Mark Cave-Ayland identified Qemu commit
  41557447d30eeb944e42069513df13585f5e6c7f as the first bad commit which
  prevents HelenOS/ppc from booting with OpenBIOS taken from Qemu
  0.11.1.  Note that we deliberately use the OpenBIOS from  Qemu 0.11.1
  because there is another suspected, unrelated bug in newer versions of
  OpenBIOS.

  For reproducing purposes, the following HelenOS image can be used
  (latest HelenOS exhibits the same behavior):

  http://www.helenos.org/releases/HelenOS-0.4.2-ppc32.iso

  Commit 41557447d30eeb944e42069513df13585f5e6c7f will result in HelenOS
  not making any further progress after it prints "init: Spawning
  /srv/devfs".

  The previous commit, f844c817d726cd2bdb431aa41c8217891ede2eaf, works
  fine - HelenOS will spawn a couple of shell instances and will be
  accepting user input.

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