This is pretty old news as I recall, minimal support for GEMPAK until
everyone could create/convert to AWIPS-II or some other (future) package.
Never really happened...so thus it lingers.
https://www.unidata.ucar.edu/support/help/MailArchives/gempak/msg06513.html
https://www.yumpu.com/en/document/read/27574887/dear-unidata-gempak-n-awips-users
On Sun, Nov 8, 2020 at 6:29 PM Clinton Rowe <crowe1@xxxxxxx> wrote:
> Victor, et al,
>
>
>
> Was there any resolution of this issue? I didn’t see anything in the
> mailing lists and I’m still seeing seg faults with gpnexr2_gf (LDM 6.13.11
> and GEMPAK v7.? – not sure of sub-version, but definitely not the latest)
> for some sites.
>
>
>
> Thanks,
>
> Clint
>
>
>
> [image:
> https://ucomm.unl.edu/images/email-signature/Nebraska_N_RGB_small_on_white.gif]
>
> *Clinton Rowe*
>
> *Professor & Chair*
>
> University of Nebraska–Lincoln
>
> Earth and Atmospheric Sciences <https://eas.unl.edu/>
>
> 402.472.1946 <4024721946>
>
>
>
>
>
> *From:* ldm-users <ldm-users-bounces@xxxxxxxxxxxxxxxx> * On Behalf Of *Victor
> Gensini
> *Sent:* Tuesday, September 29, 2020 12:13 PM
> *To:* Herzmann, Daryl E [AGRON] <akrherz@xxxxxxxxxxx>;
> ldm-users@xxxxxxxxxxxxxxxx
> *Subject:* Re: [ldm-users] level2 via LDM
>
>
>
> Ohhhh..the fun continues. I have been troubleshooting offline with Daryl.
>
>
>
> So, from what I can tell, the level2 files for some radars (for whatever
> reason) are transmitting two volume scans per file. The radars in question
> appear random, but it might be related to a recent upgrade in ROC software
> or something. *EDIT: the files that blow things up are SAILS_1!!!*
>
>
>
> The file sizes are double because (surprise!) there are two timesteps due
> to this SAILS_1.
>
>
>
> Copy of my pqact here, but I assume this is going to create somewhat of a
> headache for others as well.
>
>
>
> https://atlas.niu.edu/vgensini/temp/pqact.split.radar
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__atlas.niu.edu_vgensini_temp_pqact.split.radar&d=DwMFAg&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=ubRAum_abJ_VeyWwkZyVzQ&m=YGiYowSlf11EYs4Iv7UoJRkpuOr3jxOGiNQ-V92hCYk&s=H-HgSFBgoOCg6ZfObthZZv9PwLNb1zxSSicnkQrrcKA&e=>
>
>
>
>
> -----------------------------------------------
>
> Vittorio (Victor) A. Gensini, Ph.D., CCM
>
> Associate Professor
>
> Department of Geographic and Atmospheric Sciences
>
> Northern Illinois University
>
> DeKalb, IL 60115
>
> https://atlas.niu.edu
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__atlas.niu.edu&d=DwMFAg&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=ubRAum_abJ_VeyWwkZyVzQ&m=YGiYowSlf11EYs4Iv7UoJRkpuOr3jxOGiNQ-V92hCYk&s=EetUJnuPXBeYKK2_H2bIyPWa79sQE9SwHaKxjKqYqZE&e=>
>
> https://wcs.niu.edu
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__wcs.niu.edu_&d=DwMFAg&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=ubRAum_abJ_VeyWwkZyVzQ&m=YGiYowSlf11EYs4Iv7UoJRkpuOr3jxOGiNQ-V92hCYk&s=P5g8d4fiypeLWleTEvEUChZbM0smOp4Dt33hnAVik6s&e=>
> ------------------------------
>
> *From:* Herzmann, Daryl E [AGRON] <akrherz@xxxxxxxxxxx>
> *Sent:* Tuesday, September 29, 2020 11:38 AM
> *To:* Victor Gensini <vgensini@xxxxxxx>; ldm-users@xxxxxxxxxxxxxxxx <
> ldm-users@xxxxxxxxxxxxxxxx>
> *Subject:* Re: level2 via LDM
>
>
>
> Well Howdy,
>
> This sounds like a queue that is not holding an hour's worth of data and
> thus getting duplicated / triplicated product transmisions. My questions:
>
> 1) Is your LDM queue holding an hour's worth of data `pqmon`? Do you know
> if your upstream sources are holding an hour's worth of data? Is your LDM
> logging anything exciting about switching upstreams etc ?
>
> 2) Do the file write timestamps on the files make sense? Such that the
> write time coincides with the end of the VCP transmission?
>
> 3) Do your file byte sizes match what is found on the files at AWS / my
> realtime site?
>
> https://mesonet-nexrad.agron.iastate.edu/level2/raw/KDVN/
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__mesonet-2Dnexrad.agron.iastate.edu_level2_raw_KDVN_&d=DwMFAg&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=ubRAum_abJ_VeyWwkZyVzQ&m=YGiYowSlf11EYs4Iv7UoJRkpuOr3jxOGiNQ-V92hCYk&s=kPnL1ECWMi6TOqj_F5_waUineWOSRDGN44ssfsddL5k&e=>
>
> Do you have a recent example (today / yesterday) of a 2x / 3x file? Can
> you share that file for others to interrogate!
>
> daryl
>
> --
> /**
> * daryl herzmann
> * Systems Analyst III -- Iowa Environmental Mesonet
> * https://mesonet.agron.iastate.edu
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__mesonet.agron.iastate.edu&d=DwMFAg&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=ubRAum_abJ_VeyWwkZyVzQ&m=YGiYowSlf11EYs4Iv7UoJRkpuOr3jxOGiNQ-V92hCYk&s=5-OS1Jc88tlN5MfD8mWw3gl7m9ZbL1oE2rQYaknZ-Kk&e=>
> */
>
> ________________________________________
> From: ldm-users <ldm-users-bounces@xxxxxxxxxxxxxxxx> on behalf of Victor
> Gensini <vgensini@xxxxxxx>
> Sent: Tuesday, September 29, 2020 11:30 AM
> To: ldm-users@xxxxxxxxxxxxxxxx
> Subject: [ldm-users] level2 via LDM
>
> Tom/Steve and LDM junkies,
>
> Have there been any recent changes to the format of LEVEL2 radar files
> coming over LDM that I perhaps missed?
>
> A couple of weeks ago, I had a couple scripts start to break that are
> using gpnexr2_gf with:
>
> Program received signal SIGSEGV: Segmentation fault - invalid memory
> reference.
>
> Backtrace for this error:
> #0 0x7FD1DF3C1697
> #1 0x7FD1DF3C1CDE
> #2 0x7FD1DE8BC3AF
> #3 0x7FD1DE9F0B54
> #4 0x4BCFCB
> #5 0x4B8E59
> #6 0x4B93C7
> #7 0x42A510
> #8 0x4288FE
> #9 0x40F5A7
> #10 0x40903D
> #11 0x40554A
> #12 0x405588
> #13 0x7FD1DE8A8504
> #14 0x4046D7
> #15 0xFFFFFFFFFFFFFFFF
> Segmentation fault (core dumped)
>
> A quick peek of the file size for these stations (relative to others)
> indicate nearly a doubling (in some cases tripling) of the file size versus
> other stations that are still working. As an example, compare your file
> sizes today for KDVN and KILX, both of which are in VCP 35.
>
> I'm using the standard hhmmssRadarII perl script to create the volumes off
> of LDM. Again, no issues for some sites, and then this memory error is
> popping up for others. I sense a change in file contents or format...
>
> Any/all ideas welcome.
>
> Victor
>
>
> -----------------------------------------------
>
> Vittorio (Victor) A. Gensini, Ph.D., CCM
>
> Associate Professor
>
> Department of Geographic and Atmospheric Sciences
>
> Northern Illinois University
>
> DeKalb, IL 60115
>
> https://atlas.niu.edu<http://atlas.niu.edu
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__atlas.niu.edu-253Chttp-3A__atlas.niu.edu&d=DwMFAg&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=ubRAum_abJ_VeyWwkZyVzQ&m=YGiYowSlf11EYs4Iv7UoJRkpuOr3jxOGiNQ-V92hCYk&s=6tIOGB82VkkW2FsCxx4kQr0wKMe-PKswUcyKf_arEyw&e=>
> >
>
> https://wcs.niu.edu<http://wcs.niu.edu/
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__wcs.niu.edu_&d=DwMFAg&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=ubRAum_abJ_VeyWwkZyVzQ&m=YGiYowSlf11EYs4Iv7UoJRkpuOr3jxOGiNQ-V92hCYk&s=P5g8d4fiypeLWleTEvEUChZbM0smOp4Dt33hnAVik6s&e=>
> >
>
> <http://a><http://atlas.niu.edu
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__a-253E-253Chttp-3A__atlas.niu.edu&d=DwMFAg&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=ubRAum_abJ_VeyWwkZyVzQ&m=YGiYowSlf11EYs4Iv7UoJRkpuOr3jxOGiNQ-V92hCYk&s=MsqfuBjzOnKYnlkZGSCSldp5xgRWmSJ4wR_Z5AInErg&e=>
> >
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--
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