KStars 3.6.0 crash

[Radek Kaczorek]

Just to add the full stack trace with libstellarsolver-dbg:

Thread 27 "ExtractorSolver" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x9476c040 (LWP 3110)]
0x9476b6a8 in ?? ()
(gdb) bt
#0  0x9476b6a8 in ?? ()
#1  0xb39177ac in msort_with_tmp (p=0x9476b658, b=0x9476b6f0, n=2490808048)
at msort.c:65
#2  0xb391760c in msort_with_tmp (n=2, b=0x9476b6f0, p=0x9476b658) at
msort.c:53
#3  msort_with_tmp (p=0x9476b658, b=0x9476b6f0, n=2490808048) at msort.c:53
#4  0xb3917a30 in msort_with_tmp (n=4, b=0x9476b6f0, p=0x9476b658) at
msort.c:297
#5  __GI___qsort_r (b=b at entry=0x9476b6f0, n=n at entry=4, s=s at entry=4,
cmp=cmp at entry=0x9476b6a8, arg=0xb5738ba9 <compare_permuted>) at msort.c:297
#6  0xb5738ca6 in permuted_sort (realarray=realarray at entry=0x9476b758,
array_stride=array_stride at entry=8, compare=<optimized out>,
perm=perm at entry=0x9476b6f0,
N=N at entry=4) at ./stellarsolver/astrometry/util/permutedsort.c:86
#7  0xb5738752 in healpix_distance_to_xyz (closestxyz=<optimized out>,
xyz=<optimized out>, Nside=<optimized out>, hp=<optimized out>) at
./stellarsolver/astrometry/util/healpix.c:1347
#8  healpix_distance_to_xyz (hp=11, Nside=1, xyz=0x9476b7e8,
closestxyz=0x9476b800) at ./stellarsolver/astrometry/util/healpix.c:1314
#9  0xb57389fe in healpix_distance_to_radec (hp=11, Nside=1, ra=<optimized
out>, dec=<optimized out>, closestradec=closestradec at entry=0x0) at
./stellarsolver/astrometry/util/healpix.c:1411
#10 0xb57249ee in index_is_within_range (meta=meta at entry=0xa77ca2c8,
ra=<optimized out>, dec=<optimized out>, radius_deg=15) at
./stellarsolver/astrometry/util/index.c:32
#11 0xb571d88a in engine_run_job (engine=engine at entry=0xa771fd48,
job=0x5f72728) at ./stellarsolver/astrometry/blind/engine.c:520
#12 0xb56f5d10 in InternalExtractorSolver::runInternalSolver
(this=this at entry=0x5f72458) at
./stellarsolver/internalextractorsolver.cpp:1238
#13 0xb56f8852 in InternalExtractorSolver::run (this=0x5f72458) at
./stellarsolver/internalextractorsolver.cpp:169
#14 0xb429cb58 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#15 0xb5798494 in start_thread (arg=0x9476c040) at pthread_create.c:486
Backtrace stopped: Cannot access memory at address 0x174

On Wed, 17 Aug 2022 at 17:46, Radek Kaczorek <rkaczorek at gmail.com> wrote:

> Hi there
> Could you please take a look at this?
> Just to add some details to the message below. I cross-compile to armhf on
> x86_64 using Debian Buster as a base OS.
> Kind regards
> Radek
>
> ---------- Forwarded message ---------
> From: Jasem Mutlaq <mutlaqja at ikarustech.com>
> Date: Wed, 17 Aug 2022 at 17:39
> Subject: Re: KStars 3.6.0 crash
> To: Radek Kaczorek <rkaczorek at gmail.com>
>
>
> Hello Radek,
>
> We also use the latest (2.4) without issues. Can you please send this to
> kstars-devel at kde.org so that other developer take a look at it and might
> have some ideas?
>
> --
> Best Regards,
> Jasem Mutlaq
>
>
>
> On Wed, Aug 17, 2022 at 6:37 PM Radek Kaczorek <rkaczorek at gmail.com>
> wrote:
>
>> Hi Jasem
>>
>> I have recently repackaged KStars 3.6.0 for astroberry and apparently it
>> crashes at plate-solving with stellarsolver. I have used stable-3.6.0
>> branch of KStars as a source and the latest Stellarsolver, which probably
>> introduces a bug.Which stellarsolver version/commit do you use for
>> compilation?
>>
>> So far I get:
>> Thread 37 "ExtractorSolver" received signal SIGSEGV, Segmentation fault.
>> [Switching to Thread 0x70498040 (LWP 1965)]
>> 0x704976a8 in ?? ()
>> (gdb) bt
>> #0  0x704976a8 in ?? ()
>> #1  0xb39177ac in msort_with_tmp (p=0x70497658, b=0x704976f0,
>> n=1883862768) at msort.c:65
>> #2  0xb391760c in msort_with_tmp (n=2, b=0x704976f0, p=0x70497658) at
>> msort.c:53
>> #3  msort_with_tmp (p=0x70497658, b=0x704976f0, n=1883862768) at
>> msort.c:53
>> #4  0xb3917a30 in msort_with_tmp (n=4, b=0x704976f0, p=0x70497658) at
>> msort.c:297
>> #5  __GI___qsort_r (b=0x704976f0, n=4, s=4, cmp=0x704976a8,
>> arg=0xb5738ba9) at msort.c:297
>> #6  0xb5738ca6 in permuted_sort () from
>> /usr/lib/arm-linux-gnueabihf/libstellarsolver.so.2
>> #7  0xb5738752 in healpix_distance_to_xyz () from
>> /usr/lib/arm-linux-gnueabihf/libstellarsolver.so.2
>> #8  0x44aec64c in ?? ()
>> Backtrace stopped: previous frame identical to this frame (corrupt stack?)
>>
>> Best regards
>>
>> Radek
>>
>
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