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Name: OSTech
Description: Talk about code: bug reports, bug fixes, code implementation and system architecture. Post about tech topics like: SMP / processes and memory management / Libraries/ Interrupt/ scheduling / magic / partitioning. Post anything about the code itself. Post about anything linked from the OS Tech or OS Source guide wiki pages.
Type: Public
Mailing List: ostech-core_os@community.qnx.com
Participants: 754
Topics: 1294
Posts: 5244
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topc28484:  UEFI Framebuffer console 6 40 Michael Tasche 09/03/2026 6:22 AM Michael Tasche 09/04/2026 9:55 AM  
topc28476:  Software bill of materials (SBOM) question 1 173 Karl Leboeuf 11/27/2025 10:56 AM Karl Leboeuf 11/27/2025 10:56 AM  
topc28465:  statvfs first call takes 4-5 seconds and subsequent calls taking less than 100 ms 1 250 Gopichand Sonawane 06/04/2025 4:44 AM Gopichand Sonawane 06/04/2025 4:44 AM  
topc28479:  QNX 8.0.4 x86_64 platform "Haswell" system timer delay 13 276 Janusz Ruszel 04/29/2026 9:05 PM Janusz Ruszel 05/05/2026 1:21 PM  
topc28469:  How to load our lsm packet filtering module to io-sock? 1 324 Vic One 06/26/2025 7:53 AM Vic One 06/26/2025 7:53 AM  
topc28467:  TraceEvent got permission denied during trace buffer allocation (QNX 8.0) 3 325 Vic One 06/13/2025 7:24 AM Vic One 06/17/2025 2:54 AM  
topc28466:  Mount lsm module(packet filtering) to io-pkt on QNX 7.1 2 379 Vic One 06/05/2025 6:41 AM Vic One 06/09/2025 4:40 AM  
topc28440:  QNX 8.0.0 on Intel x86 64 bits start up and BIOS interrupt call 1 489 Janusz Ruszel 08/12/2024 1:15 PM Janusz Ruszel 08/12/2024 1:15 PM  
topc28428:  QNX 6.6.0 file system encryption , locked domain files are not encrypted 1 512 Janusz Ruszel 06/14/2024 1:03 PM Janusz Ruszel 06/14/2024 1:03 PM  
topc28426:  Samba/CIFS file system support on QNX 8.0.0 1 513 Janusz Ruszel 06/06/2024 7:50 PM Janusz Ruszel 06/06/2024 7:50 PM  
topc28431:  Thread blocks on sem after creation 2 582 Nesredin Mahmud 07/12/2024 6:53 AM Steven Dufresne 07/12/2024 11:57 AM  
topc28453:  Identifying processes which are writing "too much" 2 633 Paul Kerchen 10/23/2024 10:53 AM Paul Kerchen 11/07/2024 10:37 AM  
topc28411:  QXN 7.0 Screen Does Not Working on R-Car 1 642 Faruk Kilavuz 04/01/2024 7:50 AM Faruk Kilavuz 04/01/2024 7:50 AM  
topc28404:  Virtio shmem 1 645 Muhammed Alaaeddin 02/27/2024 10:15 AM Muhammed Alaaeddin 02/27/2024 10:15 AM  
topc28457:  QNX7.1 unable to link libfreetype.so library: invalid string offset 4 706 mario sangalli 12/12/2024 5:46 AM Elad Lahav 12/13/2024 10:24 AM  
topc28472:  QNX 8.0.2 Intel x86_64 haswell drm-intel buffer mapping to the user space 5 706 Janusz Ruszel 07/29/2025 7:27 PM Janusz Ruszel 07/31/2025 4:40 AM  
topc28471:  lighttpd 1.4.79 on QNX throws write() 8: Resource deadlock avoided 4 709 Nakseung Choi 07/01/2025 9:53 AM Elad Lahav 07/01/2025 1:44 PM  
topc28410:  Read from and write to I/O registers and memory 1 739 Ibrahim Youssef 03/28/2024 3:44 PM Ibrahim Youssef 03/28/2024 3:44 PM  
topc28396:  RPi4+screen with two displays 1 767 David Sheinberg(deleted) 01/27/2024 1:31 PM David Sheinberg(deleted) 01/27/2024 1:31 PM  
topc28406:  QNX 6.5 setrlimit not working and allocating more than 2Gig seems impossible 3 775 Mitchell Schoenbrun 03/11/2024 10:14 PM John Kearney 03/12/2024 4:16 AM  
topc28387:  Production System protection - QNX 7.1 1 791 Geoffrey Roberts 11/28/2023 11:33 PM Geoffrey Roberts 11/28/2023 11:33 PM  
topc28436:  how to gather for watchdog reset debug 3 855 Marcos Pedrazzini 07/30/2024 9:29 AM Marcos Pedrazzini 08/05/2024 11:45 AM  
topc28400:  Video decode on RPi4 3 856 David Sheinberg(deleted) 02/10/2024 7:56 PM David Sheinberg(deleted) 03/03/2024 1:38 PM  
topc28247:  Replace the original hard drive 1 885 hang zhang 11/18/2022 3:17 AM hang zhang 11/18/2022 3:17 AM  
topc28439:  MsgSendvs Returning 34 6 974 Walter Newsome 08/08/2024 12:08 PM Steven Dufresne 08/08/2024 2:17 PM  
topc28386:  Video Play Error 2 985 serhat doganay 11/27/2023 1:09 AM Michael Schuster 11/27/2023 6:10 AM  
topc25769:  An issue about DMA memory 1 986 yu angel(deleted) 11/04/2014 11:18 PM yu angel(deleted) 11/04/2014 11:18 PM  
topc28399:  PCI/PCIe interrupts don't work as expected 3 999 Alexander Minor 02/02/2024 7:52 AM Alexander Minor 02/05/2024 8:19 AM  
topc25322:  PCIe to PCI converter with imx6sabre smart 1 1140 Simone Arianti 05/07/2014 1:01 PM Simone Arianti 05/07/2014 1:01 PM  
topc25168:  How to change complier to GCC? 1 1156 robort smith 03/18/2014 9:36 PM robort smith 03/18/2014 9:36 PM  
topc28370:  Concerns with offset parameter of pci_device_cfg_rd*() and pci_device_cfg_wr*() series of functions 3 1160 Deniz Eren 10/17/2023 2:07 AM Deniz Eren 10/18/2023 6:35 PM  
topc28376:  pci-server RPi4 3 1172 David Sheinberg(deleted) 10/27/2023 9:33 PM David Sheinberg(deleted) 10/28/2023 3:07 PM  
topc25178:  How to use SSE/SSE2 instructions when programming with QNX? 1 1177 robort smith 03/20/2014 4:59 AM robort smith 03/20/2014 4:59 AM  
topc28463:  How to use the secpolmonitor to monitor security violation event? 8 1186 Vic One 05/20/2025 5:10 AM Vic One 06/09/2025 5:51 AM  
topc28474:  Tracking dynamic memory allocation for a given process 12 1220 JEAN-MICHEL PEDRONO 10/28/2025 11:33 AM Elad Lahav 10/29/2025 10:45 AM  
topc24504:  how to enable SSE and SSE2 instruction sets in GCC or QCC when compiling？ 1 1242 robort smith 11/22/2013 7:57 AM robort smith 11/22/2013 7:57 AM  
topc28377:  Legacy MSI without Per Vector Masking (PVM) support 4 1253 Deniz Eren 11/01/2023 2:10 AM Deniz Eren 11/02/2023 11:36 PM  
topc25141:  QNX 6.6 armv7 build with thumb 2 instruction ? 2 1270 Xiongwei Huang 03/13/2014 2:09 AM Ryan Mansfield(deleted) 03/13/2014 9:14 AM  
topc28361:  emulate linux kernel api 6 1282 lin xiang(deleted) 09/06/2023 11:53 PM Michael Tasche 09/11/2023 11:45 AM  
topc25617:  Microseconds sleep on QNX 6 1295 Radoslaw Kudaj 08/25/2014 9:54 AM Michael Tasche 08/26/2014 11:26 AM  
topc25592:  SATA driver on the P1013. xpt_alloc / xpt_free. 4 1295 Brian Kuschak(deleted) 08/16/2014 11:06 PM Brian Kuschak(deleted) 08/18/2014 6:42 PM  
topc23321:  rmat - file format 1 1337 Franz Brandel(deleted) 03/27/2013 10:44 AM Franz Brandel(deleted) 03/27/2013 10:44 AM  
topc28437:  Shutdown Message isn't printed in console on QNX 7.0 10 1396 Marcos Pedrazzini 08/06/2024 8:23 AM Elad Lahav 08/06/2024 2:13 PM  
topc23291:  TimerTimeout in driver 1 1421 Xiongwei Huang 03/22/2013 5:43 AM Xiongwei Huang 03/22/2013 5:43 AM  
topc25172:  How can I use openCL ( not openGL ) in QNX( x86 target )? 3 1461 robort smith 03/19/2014 3:22 AM robort smith 03/19/2014 4:59 AM  
topc25142:  libz ARM NEON optimize 2 1473 Xiongwei Huang 03/13/2014 6:15 AM Ryan Mansfield(deleted) 03/13/2014 9:17 AM  
topc28374:  Binding QNET to ip using QNX7.1 7 1543 Geoffrey Roberts 10/26/2023 1:54 AM Geoffrey Roberts 11/07/2023 5:15 PM  
topc28417:  Passing custom data from startup-x86 to QNX environment 7 1581 Janusz Ruszel 05/22/2024 11:22 AM Michael Tasche 06/07/2024 3:50 AM  
topc22232:  IRQ bound 1 1588 Xiongwei Huang 07/31/2012 10:09 PM Xiongwei Huang 07/31/2012 10:09 PM  
topc21164:  AMP on p2020 1 1599 Dmitry Andrievsky 11/15/2011 2:04 AM Dmitry Andrievsky 11/15/2011 2:04 AM  
topc28355:  Memory Partition 2023 1 1603 yunting li(deleted) 07/18/2023 2:24 AM yunting li(deleted) 07/18/2023 2:24 AM  
topc28398:  PSelect Getting Blocked For A Long Time 11 1605 Sayooj M(deleted) 02/01/2024 1:13 AM Michael Schuster 03/04/2024 5:11 AM  
topc24483:  Using supervisor mode PPC operations from userland 3 1659 Timothy Kolar(deleted) 11/15/2013 6:17 PM Timothy Kolar(deleted) 11/18/2013 5:21 PM  
topc23381:  memory barrier on arm when Enable Irq 1 1714 Xiongwei Huang 04/10/2013 1:04 AM Xiongwei Huang 04/10/2013 1:04 AM  
topc28351:  access() not behaving as expected 3 1869 Renaat Debaene 06/20/2023 5:26 AM Renaat Debaene 06/21/2023 2:26 AM  
topc13513:  QNX Neutrino x86 Runtime CD 6.4.x 1 1875 Jacek Rudnicki 05/04/2010 5:58 AM Jacek Rudnicki 05/04/2010 5:58 AM  
topc21409:  Does qnx have prelink tools ? 1 1909 Xiongwei Huang 01/26/2012 3:29 AM Xiongwei Huang 01/26/2012 3:29 AM  
topc23152:  posix_spawn() blocks indefinetely 5 1927 Eric Shufro(deleted) 02/21/2013 4:44 PM Eric Shufro(deleted) 02/23/2013 3:45 PM  
topc15466:  Link down causes strange behaviours in the QNX 6.4.1 system 1 1987 Jacek Rudnicki 08/19/2010 10:02 AM Jacek Rudnicki 08/19/2010 10:02 AM  
topc11491:  E300 PPC Core TLB vs BAT's. 1 2169 Jason Urban 01/08/2010 8:21 AM Jason Urban 01/08/2010 8:21 AM  
topc20461:  Serial usb driver bug ? 4 2229 Xiongwei Huang 06/29/2011 10:46 PM Michael Kisel(deleted) 07/04/2011 9:45 AM  
topc18558:  Iommu and cache coherent 1 2275 Xiongwei Huang 12/11/2010 9:26 PM Xiongwei Huang 12/11/2010 9:26 PM  
topc20589:  Process information from within application 6 2381 Simon Platten 07/22/2011 5:21 AM Warren Deitch 07/24/2011 8:32 PM  
topc28448:  QNX 8 : ClockPeriod() can no longer be used to set clock period 13 2434 JEAN-MICHEL PEDRONO 10/03/2024 9:41 AM Michael Tasche 09/11/2025 3:17 AM  
topc28296:  Monitor the memory usage of each process with pidin 1 2664 Hung Nguyen 02/22/2023 6:08 AM Hung Nguyen 02/22/2023 6:08 AM  
topc20717:  QNX Momentics 6 2718 David Somerton(deleted) 08/17/2011 3:54 AM Elena Laskavaia 08/19/2011 10:26 AM  
topc19330:  qnx network put throw 2 2723 Xiongwei Huang 01/18/2011 1:58 AM Xiongwei Huang 01/18/2011 3:00 AM  
topc28297:  make sense of Pidin, Hogs, Top 1 2739 Hung Nguyen 02/22/2023 11:18 AM Hung Nguyen 02/22/2023 11:18 AM  
topc28335:  QNX 7.1.0 x86_64 lpd, lpr, etc 1 2790 Janusz Ruszel 05/02/2023 11:22 PM Janusz Ruszel 05/02/2023 11:22 PM  
topc28336:  Controlling the CPU Frequency in a QNX 7.1 system 1 2797 Ashish Gautam(deleted) 05/03/2023 4:57 AM Ashish Gautam(deleted) 05/03/2023 4:57 AM  
topc28313:  python2.7 on QNX6.5 armv7 1 2822 jun chen 03/31/2023 3:40 AM jun chen 03/31/2023 3:40 AM  
topc28330:  Qnx 7.0 crashes on x86_64 platforn 1 2831 Manoj Chandran R 04/21/2023 7:43 AM Manoj Chandran R 04/21/2023 7:43 AM  
topc28295:  QNX 7.1 / Resource manager corrupt OS by reading actuel parameters 1 2845 Armin Steinhoff 02/21/2023 6:19 AM Armin Steinhoff 02/21/2023 6:19 AM  
topc28331:  QNX 7.1 on BeaglePlay (TI AM625) 1 2877 David Sheinberg(deleted) 04/26/2023 6:52 PM David Sheinberg(deleted) 04/26/2023 6:52 PM  
topc28300:  Proper way to wait for DHCP assignment? 1 2912 David Sheinberg(deleted) 02/27/2023 6:56 PM David Sheinberg(deleted) 02/27/2023 6:56 PM  
topc28323:  shared memeory objects 2 2921 Armin Steinhoff 04/13/2023 11:38 AM Geoffrey Roberts 04/17/2023 10:01 PM  
topc18522:  devc-ditto 4 2948 Jacek Rudnicki 12/10/2010 2:40 AM Chris Travis 12/10/2010 11:32 AM  
topc13304:  How do I use the ITCM on G45 ARM926EJ-S in QNX 6.4.1? 2 2952 Jeff Pace 04/22/2010 4:32 PM Sunil Kittur(deleted) 04/23/2010 8:36 AM  
topc28255:  devb-sdmmc with x86_64 generic kernel for LattePanda Delta (Celeron N4100) 2 2961 David Sheinberg(deleted) 11/30/2022 10:12 PM Elad Lahav 12/18/2022 7:24 AM  
topc19924:  mmu page table 3 3012 Xiongwei Huang 03/31/2011 2:22 AM Xiongwei Huang 04/05/2011 1:05 AM  
topc28311:  usblauncher_otg 1 3023 Geoffrey Roberts 03/21/2023 5:31 PM Geoffrey Roberts 03/21/2023 5:31 PM  
topc28325:  Raspberry Pi4 PL011 UARTs 1 3050 Geoffrey Roberts 04/17/2023 10:09 PM Geoffrey Roberts 04/17/2023 10:09 PM  
topc21441:  Adobe Air libcore.so loader 3 3057 Xiongwei Huang 01/31/2012 9:43 PM Xiongwei Huang 01/31/2012 10:11 PM  
topc28312:  devc-serusb and supported USB/Serial devices 3 3061 Geoffrey Roberts 03/21/2023 5:35 PM Geoffrey Roberts 03/29/2023 10:05 PM  
topc19774:  usb source 3 3144 Xiongwei Huang 03/17/2011 4:17 AM Gervais Mulongoy 03/17/2011 8:49 AM  
topc28299:  When do you actually responds 2 3146 Hung Nguyen 02/23/2023 7:31 AM Elad Lahav 02/23/2023 7:38 AM  
topc28289:  QNX 7.x bsdtar broken 3 3175 Michael Tasche 01/12/2023 3:10 PM Michael Tasche 01/13/2023 10:35 AM  
topc28434:  Adaptive Partitioning Scheduler availability in QNX 8.0 ? 8 3186 JEAN-MICHEL PEDRONO 07/23/2024 2:41 AM Gerd Wetzel 11/04/2024 12:58 PM  
topc28250:  Having trouble starting QDB 2 3259 AJ Ricketts(deleted) 11/19/2022 4:51 PM mario sangalli 11/21/2022 4:01 AM  
topc28324:  Zero copy issue regarding camera data 1 3323 Li Chen(deleted) 04/13/2023 11:27 PM Li Chen(deleted) 04/13/2023 11:27 PM  
topc28242:  microsecond sleep on QNX 7.1 5 3350 ge zhang(deleted) 10/28/2022 1:50 AM Benjamin Walsh 10/31/2022 12:58 PM  
topc28282:  Network driver for the Enclustra Mercury XU1 SOM 6 3382 Geoffrey Roberts 01/03/2023 5:52 PM Geoffrey Roberts 01/06/2023 5:09 PM  
topc28220:  RUST programming language support in QNX 1 3413 Manoj Ashokkumar(deleted) 09/20/2022 2:55 AM Manoj Ashokkumar(deleted) 09/20/2022 2:55 AM  
topc28221:  Regarding the login profiles not invoked 2 3581 HARI KRISHNAN G(deleted) 09/20/2022 8:46 AM HARI KRISHNAN G(deleted) 09/21/2022 1:17 AM  
topc27988:  Momentics, Kernel event Trace over Wireless 2 3626 Dario Turchi 01/11/2021 7:45 AM Dario Turchi 01/11/2021 7:54 AM  
topc27905:  Member names 1 3700 Geoff Roberts 07/24/2020 9:42 PM Geoff Roberts 07/24/2020 9:42 PM  
topc27989:  Momentics, Kernel event Trace over Wireless 1 3703 Dario Turchi 01/11/2021 7:49 AM Dario Turchi 01/11/2021 7:49 AM  
topc27848:  Options for a web server running on QNX 6.5 SP1 2 3709 Deepain Nayyar(deleted) 04/28/2020 11:12 AM Deepain Nayyar(deleted) 04/29/2020 10:30 AM  
topc28018:  How to get a file descriptor when an interrupt happen 2 3717 mohamed zaki(deleted) 02/17/2021 2:20 PM Elad Lahav 02/18/2021 1:34 PM  
topc28308:  Resource Busy 3 3720 Geoffrey Roberts 03/14/2023 4:54 PM Geoffrey Roberts 03/15/2023 9:00 PM  
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