Message boards :
Number crunching :
Flakey AMD/ATI GPUs, including RX 5700 XT, Cross Validating, polluting the Database
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Author | Message |
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Mr. Kevvy Send message Joined: 15 May 99 Posts: 3806 Credit: 1,114,826,392 RAC: 3,319 |
The person to contact is Eric Korpela... Next would be Jeff Cobb. Unfortunately I didn't get a reply from Dr. Korpela and missed any acknowedgment, so I've written to Dr. David Anderson cc Jeff Cobb. I think that the more on the team that are aware, the better. Also as Dr. Anderson has been working on Nebula for years and this has the potential to do serious damage to its output, I think he should definitely be aware (I'm sure he probably is but we haven't had any wide-ranging official word on this so that would be nice too.) Edit: And Jeffrey A. Smith is the latest person to reply indicating that they have disabled GPU computing. |
Wiggo Send message Joined: 24 Jan 00 Posts: 36848 Credit: 261,360,520 RAC: 489 |
Some more. Anonymous Computer ID 6692170 Bigthor 480399 Eric 9157146 Haiko_N 9198068 Juraxell 10864786 Wojciech Knapczyk 31308 |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873 |
Yes if you read the release day reviews of the Radeon Navi 5700/XT cards that include business and scientific computing benches in their benchmark suite, you can see the testers/reviewers comment that the OpenCL compute was not working. Either the applications would crash or not run or produce invalid data. Consensus was the Navi cards were "not ready for prime-time" for OpenCL computing. Yes, other projects are having issues with the cards. Some don't. Depends on the application and data structures I assume. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Mr. Kevvy Send message Joined: 15 May 99 Posts: 3806 Credit: 1,114,826,392 RAC: 3,319 |
Some more. Thanks, Wiggo! Haiko_N and Juraxell were already in the list and pestered. Wojciech Knapczyk doesn't have an affected card so may have removed it if was already notified in the "Invalid Host Messaging" thread or otherwise. I am going to update my list with annotations and check whether the ones who haven't replied are still producing garbage; some of them may have offlined but not replied. |
Wiggo Send message Joined: 24 Jan 00 Posts: 36848 Credit: 261,360,520 RAC: 489 |
Wojciech Knapczyk doesn't have an affected card so may have removed it if was already notified in the "Invalid Host Messaging" thread or otherwise.I'm sorry about that 1, but I rechecked that w/u and the culprit was actually Borktron 10682716 ( I really shouldn't do this late at night) and alffrommars 9024750 also turned up this morning. Cheers. |
Mr. Kevvy Send message Joined: 15 May 99 Posts: 3806 Credit: 1,114,826,392 RAC: 3,319 |
Excellent and no worries... I've pesterposted alffrommars. I also found a couple more. Here is the complete list with participant (not computer) IDs so it's fresh. Please, to all, don't quote the whole thing in a reply. Thanks. [AfZ]TomServo1 1483720 achimbln 138625 antoi 10856207 aridhol 10288747 Baldarov 9438496 Bigthor 480399 Borktron 10682716 Brandon 8198367 calendir 9663884 Carl 914781 Christopher 9894096 CoffeeSloth 10266313 Crisu 7833612 Daniel frederikson 9813817 Doc_Jebus 10863878 dsharbour 10858679 Dzsozi 8002127 Earendil 146007 egon.sauter 494566 Eric 9157146 eryndel 10878567 Esta 10624508 Foaming Mad Cow Industries 219464 fred 1935325 ghostbuster 564989 gunsnammo 137399 Haiko_N 9198068 HawkMedic 10838738 higemayuge 10790664 HMZ 9079227 Jeff 10639246 Jerjes 1291426 Jorge Barrera 9650295 Juraxell 10864786 Kekke 46817 knutella 9880098 lupaslupas 10002927 MadMikeDelta 8221690 Maulwurf 1516335 MaximusPrometheus 10240426 mgg 279419 mnelsonx 272885 Niflhuem 113140 No Name@Extraterrestrial Intelligence 8116 NYX.consulting 10503661 Oriah 9838773 Otosan 8547502 PantherJon 9801065 Peter Furlong 7965665 phoenix7477 10773411 Rocky 270621 Saint123 159425 Stephen Diem 36679 stogdan 10865456 Strickland 34273 suhail ahmad 9878177 T66 3336343 toby 9442798 Tomik 8972653 Trezy 10367889 Tristan 9778349 vleermuis 1295921 werewolf_007 10880222 xakei 10823091 Zac 100334866 Italicized names have replied and indicated they are disabling their affected GPUs. |
Wiggo Send message Joined: 24 Jan 00 Posts: 36848 Credit: 261,360,520 RAC: 489 |
Another computer from toby:The number beside the names Sten are user ID numbers not computer numbers unless they're "Anonymous" users. ;-) Cheers. |
Mr. Kevvy Send message Joined: 15 May 99 Posts: 3806 Credit: 1,114,826,392 RAC: 3,319 |
Thanks! However I think that was the one I have in there as the ID numbers I've listed are the participant IDs... toby's RX 5700 host is 8772813. Edit: And Wiggo beat me to it. :^) I am hoping that, as with epidemiology, once a certain threshold in the population is crossed, "infectable hosts" will no longer statistically find each other, so a small percentage of responses as Wiggo noted may result in a much higher reduction in cross-validations. Unfortunately all we have is hope right now. |
Mr. Kevvy Send message Joined: 15 May 99 Posts: 3806 Credit: 1,114,826,392 RAC: 3,319 |
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Wiggo Send message Joined: 24 Jan 00 Posts: 36848 Credit: 261,360,520 RAC: 489 |
And I just followed Mr. Kevvy's lead. ;-) Cheers. |
Ian&Steve C. Send message Joined: 28 Sep 99 Posts: 4267 Credit: 1,282,604,591 RAC: 6,640 |
Ok this is crazy. On ONE system alone (and my slowest one even) I have five (5) Invalid tasks from the last day alone, that were cross validated by the SAME two systems with RX5700s. how is that even possible. I was under the impression that WU distribution is more random than this. https://setiathome.berkeley.edu/workunit.php?wuid=3788317704 https://setiathome.berkeley.edu/workunit.php?wuid=3788317722 https://setiathome.berkeley.edu/workunit.php?wuid=3788317634 https://setiathome.berkeley.edu/workunit.php?wuid=3788317640 https://setiathome.berkeley.edu/workunit.php?wuid=3788317810 The offenders: No Name@Extraterrestrial Intelligence PantherJon I see they are already on the notification list, it's just wild that I would be matched up with the same two systems in such a short amount of time. Seti@Home classic workunits: 29,492 CPU time: 134,419 hours |
Ian&Steve C. Send message Joined: 28 Sep 99 Posts: 4267 Credit: 1,282,604,591 RAC: 6,640 |
got a new one to send a message to: gunsnammo Kevvy, just a suggestion. I would use the strikethrough to indicate the users who have replied and agreed to remove the GPUs. It will be more visually clear. Seti@Home classic workunits: 29,492 CPU time: 134,419 hours |
Mr. Kevvy Send message Joined: 15 May 99 Posts: 3806 Credit: 1,114,826,392 RAC: 3,319 |
I see this constantly with blocks of consecutive work units cross-validating from the same two hosts due to the volume of work they are requesting. Thanks, Ian! gunsnammo 137399 has been pestered. :^) Also I am saving strikethough for when I validate they are actually gone including ones that didn't reply. |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
got a new one to send a message to: +1 {edit} . . Well maybe change them to a smaller font or underline them. Apparently Ian has the same problem I do, the difference between normal and italic is too small to readily identify in just the names. Stephen :) |
Ian&Steve C. Send message Joined: 28 Sep 99 Posts: 4267 Credit: 1,282,604,591 RAC: 6,640 |
I've also made PSA posts about this on overclockers.com and Reddit in r/SETI imploring anyone running RX5700/XT to please remove them from the project immediately. Hopefully at least a few more people see the posts and comply. Seti@Home classic workunits: 29,492 CPU time: 134,419 hours |
Wiggo Send message Joined: 24 Jan 00 Posts: 36848 Credit: 261,360,520 RAC: 489 |
Damn, I got swamped by the usual subjects as well as a few more new 1's in the last 24hrs. :-( Daniel frederikson 9813817 Esta 10624508 MadMikeDelta 8221690 (R9 390 with RX5700/XT) mgg 279419 NYX.consulting 10503661 werewolf_007 10880222 |
Mr. Kevvy Send message Joined: 15 May 99 Posts: 3806 Credit: 1,114,826,392 RAC: 3,319 |
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Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13855 Credit: 208,696,464 RAC: 304 |
Ok this is crazy. On ONE system alone (and my slowest one even) I have five (5) Invalid tasks from the last day alone, that were cross validated by the SAME two systems with RX5700s. how is that even possible. I was under the impression that WU distribution is more random than this.That sort of thing actually happens a lot- as you both request work at the same time, and get it allocated at the same time, so you will get to share groups of WUs with a particular Wingman. Grant Darwin NT |
Wiggo Send message Joined: 24 Jan 00 Posts: 36848 Credit: 261,360,520 RAC: 489 |
And getting more often as time goes on. :-(Ok this is crazy. On ONE system alone (and my slowest one even) I have five (5) Invalid tasks from the last day alone, that were cross validated by the SAME two systems with RX5700s. how is that even possible. I was under the impression that WU distribution is more random than this.That sort of thing actually happens a lot- as you both request work at the same time, and get it allocated at the same time, so you will get to share groups of WUs with a particular Wingman. Cheers. |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
another one for me Work Unit https://setiathome.berkeley.edu/workunit.php?wuid=3789523858 Muggers Rocky https://setiathome.berkeley.edu/show_host_detail.php?hostid=8865042 Dzoszi https://setiathome.berkeley.edu/show_host_detail.php?hostid=8643138 Stephen :( |
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