Cagdas,
I just tried to run the quick x86 regressions using a gem5 compiled with
clang 3.5 on Linux and ran into a similar problem. In my case, the tests
segfault, but all the other symptoms seem identical. An interesting
observation is that /all/ the other backends run their quick regressions
just fine, so I'm inclined to say that this is an x86-specific issue
that is triggered by clang (I'm assuming you're using clang since you're
on MacOS).
//Andreas
On 30/06/2015 23:13, Cagdas Dirik (cdirik) wrote:
Thank you for suggestions Nilay and Andreas!
Andreas, I looked at the simerr and simout files, and there are no indications
of a missing file. All kernel images and disk images are under $M5_PATH - I am
basically using same set of files which pass regression tests under Linux. As a
reference I pasted the outputs from those files at the end.
I did not find any "Initializing CPU#" messages from gem5, then I think I need
to pinpoint the erroring module in the kernel.
I also tried kernel 2.6.26 and passing linux-x86.img file explicitly from
command line to gem5 and got the same error message.
Cagdas
$ cat
build/X86/tests/opt/quick/fs/10.linux-boot/x86/linux/pc-simple-atomic/simerr
warn: Sockets disabled, not accepting terminal connections
warn: Sockets disabled, not accepting gdb connections
warn: Reading current count from inactive timer.
warn: Don't know what interrupt to clear for console.
$ cat
build/X86/tests/opt/quick/fs/10.linux-boot/x86/linux/pc-simple-atomic/simout
gem5 Simulator System. http://gem5.org
gem5 is copyrighted software; use the --copyright option for details.
gem5 compiled Jun 23 2015 13:44:27
gem5 started Jun 26 2015 10:14:40
gem5 executing on Cagdass-Mac-mini.local
command line: build/X86/gem5.opt -d
build/X86/tests/opt/quick/fs/10.linux-boot/x86/linux/pc-simple-atomic -re
/Users/cdirik/Projects/gem5/tests/run.py
build/X86/tests/opt/quick/fs/10.linux-boot/x86/linux/pc-simple-atomic
Global frequency set at 1000000000000 ticks per second
info: kernel located at:
/Users/cdirik/Projects/gem5-files/dist/m5/system/binaries/x86_64-vmlinux-2.6.22.9
0: rtc: Real-time clock set to Sun Jan 1 00:00:00 2012
info: Entering event queue @ 0. Starting simulation...
________________________________________
From: gem5-dev [gem5-dev-boun...@gem5.org] on behalf of Andreas Sandberg
[andreas.sandb...@arm.com]
Sent: Tuesday, June 30, 2015 2:16 PM
To: gem5 Developer List
Subject: Re: [gem5-dev] X86 FS regression test fails on OSX with "Abort trap:
6" error
On 30/06/2015 20:05, "Cagdas Dirik (cdirik)" <cdi...@micron.com> wrote:
Hi all,
After recent updates to fix build on OSX, I gave a try to set up my gem5
development environment on OSX.
However using latest gem5 from dev branch, and running X86 and ARM
regression tests, X86 full system tests are failing with "Abort trap: 6"
right on/after "Initialization CPU#0".
The tests I am referring are:
build/X86/tests/opt/quick/fs/10.linux-boot/x86/linux/pc-simple-atomic
build/X86/tests/opt/quick/fs/10.linux-boot/x86/linux/pc-simple-timing
I don't have any idea where to start debugging. Does anyone have any idea
what might be incompatible? Is this (running gem5 on OSX) a futile effort?
A SIGABRT typically means that gem5¹s internal checks failed. If you look
in the tests¹ build directories, you should find the output from the
simulator. Specifically, you¹re looking for simerr and simout. The former
should contain an error message that describes why the test case failed.
My guess is that you¹re missing one or more of the binaries to run the
tests.
//Andreas
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