[panda-users] Compilation issue

[Manolis Stamatogiannakis]

Hi Fabien,

IIRC, .rr traces are compressed and you need to run rrunpack.py to
decompress them before processing.

Cheers,
M.


2015-12-14 14:18 GMT+01:00 Fabien Dombard <dombard at synhetik.com>:

> Hi,
> I've been apparenly building succesfully Panda on a Debian 8 at work, only
> difference is gcc/g++ 4.8 this time.
> However I have an issue replaying anything from rrshare, is that a trace
> format incompatibility or sommeting with regard to my build?
>
> $ /home/user/panda/qemu/x86_64-softmmu/qemu-system-x86_64 -m 1024 -replay
> spotify.rr
> loading snapshot
> qemu-system-x86_64: Could not open VM state file
> ... done.
> opening nondet log for read :   ./spotify.rr-rr-nondet.log
> RR rr_assertion `rr_nondet_log->fp != NULL' failed at
> /home/user/panda/qemu/rr_log.c:1322
> Current log point:
> <queue empty>
> Current replay point:
> {guest_instr_count=0 pc=0x00000000, secondary=0x00000000}
>
> Thanks!
> Fabien
>
> On Thu, Dec 10, 2015 at 10:54:05AM +0100, Fabien Dombard wrote:
> > Hi Brendan,
> >
> > $ dpkg -l | grep -i llvm
> > ii  libc++-dev:amd64                      3.5-2
>       amd64        LLVM C++ Standard library (development files)
> > ii  libc++-helpers                        3.5-2
>       all          LLVM C++ Standard library - build helpers
> > ii  libc++1:amd64                         3.5-2
>       amd64        LLVM C++ Standard library
> >
> > I've compiled locally llvm 3.3 as per the instructions found within the
> docs/compile.md.
> > I also been checking the panda_install.bash and have all necessary
> dependencies, it fails on the build.sh step.
> > Thanks,
> > Fabien
> >
> > On Wed, Dec 09, 2015 at 04:06:36PM -0800, Brendan Dolan-Gavitt wrote:
> > > Hi,
> > >
> > > Could you try using the panda_install.bash script to install? It looks
> > > like you may be using multiple different versions of LLVM on your
> > > system.
> > >
> > > -Brendan
> > >
> > > On Wed, Dec 9, 2015 at 1:30 AM, Fabien Dombard <dombard at synhetik.com>
> wrote:
> > > > Hi List,
> > > > I am new to Panda and trying to compile it natively on my
> workstation.
> > > > Currently trying with  llvm3.3 from sources within the llvm
> directory and gcc/g++ 4.9 on debian x86_64.
> > > >
> > > > This is what I get when running the build.sh script:
> > > >
> > > > 386-softmmu/llvm-helpers.bc1
> > > > WARNING: Linking two modules of different target triples:
> fpu/softfloat.bc2: 'x86_64-pc-linux-gnu' and 'x86_64-unknown-linux-gnu'
> > > > 0  llvm-link       0x000000000064a342
> > > > 1  llvm-link       0x0000000000649fac
> > > > 2  libpthread.so.0 0x00002ab9896ea8d0
> > > > 3  llvm-link       0x0000000000546718
> > > > 4  llvm-link       0x0000000000546731
> > > > 5  llvm-link       0x000000000060222f
> > > > 6  llvm-link       0x0000000000605354
> > > > 7  llvm-link       0x00000000006058e2
> > > > 8  llvm-link       0x0000000000605d32
> > > > 9  llvm-link       0x0000000000609716
> > > > 10 llvm-link       0x00000000005eca3f
> > > > 11 llvm-link       0x00000000005ecfab
> > > > 12 llvm-link       0x00000000005ed1fe
> > > > 13 llvm-link       0x000000000060bdb9
> > > > 14 llvm-link       0x000000000040b06f
> > > > 15 libc.so.6       0x00002ab98a3afb45 __libc_start_main + 245
> > > > 16 llvm-link       0x000000000040d8b2
> > > > Stack dump:
> > > > 0.      Program arguments:
> /home/user/panda/llvm/Release/bin/llvm-link -o llvm-helpers.bc1
> op_helper.bc2 fpu/softfloat.bc2 helper.bc2 host-utils.bc2
> > > > 1.      Running pass 'Function Pass Manager' on module
> 'op_helper.bc2'.
> > > > 2.      Running pass 'Module Verifier' on function
> '@int32_to_float64'
> > > > Segmentation fault
> > > >
> > > > Any help would be welcome!
> > > > Thanks,
> > > > Fabien
> > > > _______________________________________________
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> > > > panda-users at mit.edu
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