sem:remove sem default protocl#7344
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xiaoxiang781216
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Oct 18, 2022
masayuki2009
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@anjiahao1
A deadlock happened with qemu-intel64:ostest
+ /home/ishikawa/opensource/QEMU/qemu-7.1/build/qemu-system-x86_64 -cpu host -enable-kvm -m 256M -cdrom boot.iso -nographic -serial mon:stdio
SeaBIOS (version rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org)
iPXE (http://ipxe.org) 00:03.0 CA00 PCI2.10 PnP PMM+0FF91160+0FEF1160 CA00
Booting from Hard Disk...
Boot failed: could not read the boot disk
Booting from Floppy...
Boot failed: could not read the boot disk
Booting from DVD/CD...
stdio_test: write fd=1
stdio_test: Standard I/O Check: printf
stdio_test: write fd=2
...
priority_inheritance: Waiting...
lowpri_thread-1: Started
lowpri_thread-1: initial priority: 1
lowpri_thread-1: Waiting for the midle pri task to run
g_middlestate: 0
g_highstate[0]: 0
I still have a count on the semaphore
lowpri_thread-2: Started
lowpri_thread-2: initial priority: 1
lowpri_thread-2: Waiting for the midle pri task to run
g_middlestate: 0
g_highstate[0]: 0
I still have a count on the semaphore
lowpri_thread-3: Started
lowpri_thread-3: initial priority: 1
lowpri_thread-3: Waiting for the midle pri task to run
g_middlestate: 0
g_highstate[0]: 0
I still have a count on the semaphore
lowpri_thread-1: Waiting for the midle pri task to run
g_middlestate: 0
g_highstate[0]: 0
I still have a count on the semaphore
lowpri_thread-2: Waiting for the midle pri task to run
g_middlestate: 0
g_highstate[0]: 0
I still have a count on the semaphore
lowpri_thread-3: Waiting for the midle pri task to run
g_middlestate: 0
g_highstate[0]: 0
I still have a count on the semaphore
priority_inheritance: Starting medpri_thread at 99
priority_inheritance: Set medpri_thread priority to 99
priority_inheritance: Waiting...
medpri_thread: Started ... I won't let go of the CPU!
priority_inheritance: Starting highpri_thread-1 (of 1) at 255
priority_inheritance: Set highpri_thread-1 priority to 255
highpri_thread-1: Started
priority_inheritance: Waiting for highpri_thread-1 to complete
highpri_thread-1: Calling sem_wait()
Traceback (most recent call last):
Contributor
Author
ok,i check it now |
Contributor
Author
|
@masayuki2009 apache/nuttx-apps#1358 this is fix patch |
Contributor
Author
|
this pr just remove |
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
xiaoxiang781216
approved these changes
Oct 18, 2022
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@anjiahao1 |
anjiahao1
changed the title
Contributor
|
@anjiahao1 let move this patch to the pr#5070, and close this pr. |
Contributor
|
@anjiahao1 Is there documentation added to the docs for this change documenting the new mutex and sem symantics and usage? |
Contributor
Author
|
use #5070 to submit patch,so close current PR |
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Summary
step 1
step 2
this is step 3, remove all defult
nxsem_set_protocolwithSEM_PRIO_NONE,and then add it innxsem_init&nxmutex_initImpact
nothing
Testing
ostest