[haiku-bugs] Re: [Haiku] #8345: PANIC: ASSERT FAILED ... x86/paging/pae/x86VMTranslationMapPAE.cpp:231
- From: "ttcoder" <trac@xxxxxxxxxxxx>
- Date: Tue, 16 Jul 2013 21:05:22 -0000
#8345: PANIC: ASSERT FAILED ... x86/paging/pae/x86VMTranslationMapPAE.cpp:231
-----------------------------+------------------------------
Reporter: kallisti5 | Owner: bonefish
Type: bug | Status: assigned
Priority: critical | Milestone: R1/beta1
Component: System/Kernel | Version: R1/Development
Resolution: | Keywords: vm pae
Blocked By: | Blocking: 9435, 9520, 9677
Has a Patch: 1 | Platform: x86
-----------------------------+------------------------------
Comment (by ttcoder):
Replying to [comment:24 bonefish]:
> In your and Sean's comments above I actually read that it doesn't happen
with only one CPU (one logical CPU). That would be consistent with the
observations in #7904.
>
> > * Only occurs when system memory is > 4GB (PAE active)
>
> AFAICT no one has confirmed yet that on the same machine the problem
does cease to occur with PAE disabled. #7904 demonstrates that a KDL with
the analogous stack trace is possible with 32 bit paging. I would consider
it more likely that the issue occurs only on specific CPU architectures or
models. It would be nice, if everyone who has tried to reproduce the issue
could list their corresponding CPU models for positive and negative
results.
>
Positive on dsuden's Asus F2A55M system:
{{{
CPU(s): 2x AMD A4 5300
Memory: 3.45 GiB total, 270.04 MiB used
Haiku revision: hrev45824 Jul 5 2013 00:39:46 (BePC)
}}}
Not yet positive on my old thinkpad (Core2 Duo, 2 GB RAM); in my tests so
far I always got the 'other' one, the messed-up slab allocator panic in
#9958.
> Also, it would be interesting to learn whether the machines that have
the issue also test positive for #7904. Since that test is much quicker
and more reliable, it would be more suitable for debugging.
>
Gotta try that, as well as disabling all CPUs but one.
--
Ticket URL: <http://dev.haiku-os.org/ticket/8345#comment:52>
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