Thank you very much Igor. Yes, sorry, I meant reserve. I thought the issue was that, by default, we are now trying to reserve 16GB, thus my idea of disabling *cppgc_enable_larger_cage*. Do you suggest to just disable *cppgc_enable_pointer_compression* (and no changes to the cage configuration)?
Thanks again! On Thursday, October 30, 2025 at 1:48:37 PM UTC-4 [email protected] wrote: > Hello, > > It seems that V8 crashes because it can't reserve (not allocate!) an 4GB > of address space for a pointer compression cage for Oilpan. Not sure why > this happens in your case (Chrome works just fine on Android), looks like > there's some system limit on allowed address space reservations for a > process. > As a workaround, you could try to disable Oilpan pointer compression by > setting this GN argument: cppgc_enable_pointer_compression=false. > > On Thu, Oct 30, 2025 at 4:34 PM 'Mati Cohen' via v8-users < > [email protected]> wrote: > >> Hey, unfortunately this issue has become critical in production. I had to >> halt the release. >> >> Can I get some help please? >> >> I am not sure if my theory is right since I am not able to reproduce the >> crash to verify it. >> >> Thank you in advance. >> >> On Wednesday, October 29, 2025 at 2:04:01 PM UTC-4 Mati Cohen wrote: >> >>> >>> I see some changes related to how much heap is allocated to Oilpan. Now, >>> default seems to be 16GB (whereas it used to be 4GB). Could it be an issue >>> for Android devices? >>> I am rebuilding now with cppgc_enable_larger_cage=false. >>> >>> On Wednesday, October 29, 2025 at 9:48:43 AM UTC-4 Mati Cohen wrote: >>> >>>> Hi, >>>> >>>> I've created new builds for my Android app pointing to 14.0.365.4 (I >>>> used to be on a version from 2022). >>>> >>>> Everything seems to be working properly on production, except from >>>> a FatalOOM crash that we are unable to explain. According to Firebase >>>> crashing devices have enough memory (more than 400MB) and the crash takes >>>> place immediately after we call V8::Initialize(). >>>> >>>> Here is the full stacktrace: >>>> >>>> #00 pc 0x1329140 (v8::base::OS::Abort() >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #01 pc 0x132c898 (v8::base::FatalOOM(v8::base::OOMType, char const*) >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #02 pc 0x13396f8 >>>> (v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char >>>> const*, v8::OOMDetails const&) >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #03 pc 0x14c2acc (v8::internal::(anonymous >>>> namespace)::GlobalFatalOutOfMemoryHandlerImpl(std::__ndk1::basic_string<char, >>>> >>>> std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>> const&, >>>> v8::SourceLocation const&, cppgc::internal::HeapBase*) >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #04 pc 0x1e06c60 >>>> (cppgc::internal::FatalOutOfMemoryHandler::operator()(std::__ndk1::basic_string<char, >>>> >>>> std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>> const&, >>>> v8::SourceLocation const&) const >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #05 pc 0x1e0ff2c >>>> (cppgc::internal::CagedHeap::CagedHeap(v8::PageAllocator&, unsigned long) >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #06 pc 0x1e0fca8 >>>> (cppgc::internal::CagedHeap::InitializeIfNeeded(v8::PageAllocator&, >>>> unsigned long) >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #07 pc 0x1e06d90 (cppgc::InitializeProcess(v8::PageAllocator*, unsigned >>>> long) >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #08 pc 0x1356aac (v8::V8::Initialize(int) >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/split_config.arm64_v8a.apk!liben8.so]) >>>> >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #09 pc 0x13245f0 (Runtime::Runtime(_JNIEnv*) [v8-initialization.h:127]) >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #10 pc 0x131c090 (Java_com_encircle_en8_Runtime_en8Create [en8.cpp:28]) >>>> (BuildId: df4010b9be1607b6935ef08e8d90830ac0ab4f0b) >>>> #11 pc 0x2d357c (art_jni_trampoline [/system/framework/arm64/boot.oat]) >>>> (BuildId: 5f2f994dfe4014c6ca8efc57596b26a7e9120ce6) >>>> #12 pc 0x9be120 >>>> (com.encircle.jsenv.EventLoop$$ExternalSyntheticLambda7.run >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/oat/arm64/base.odex]) >>>> #13 pc 0x9e41f4 (com.encircle.util.PrioritizedTask.run >>>> [/data/app/~~tQAJjlgMcZP-x-50eIcSag==/com.encircle-f_MMozmE6xmMXhHJsIXUPw==/oat/arm64/base.odex]) >>>> #14 pc 0x210b74 (java.util.concurrent.ThreadPoolExecutor.runWorker >>>> [/system/framework/arm64/boot.oat]) (BuildId: >>>> 5f2f994dfe4014c6ca8efc57596b26a7e9120ce6) >>>> #15 pc 0x214b18 (java.util.concurrent.ThreadPoolExecutor$Worker.run >>>> [/system/framework/arm64/boot.oat]) (BuildId: >>>> 5f2f994dfe4014c6ca8efc57596b26a7e9120ce6) >>>> #16 pc 0xa5500 (java.lang.Thread.run >>>> [/system/framework/arm64/boot.oat]) (BuildId: >>>> 5f2f994dfe4014c6ca8efc57596b26a7e9120ce6) >>>> #17 pc 0x32d194 (art_quick_invoke_stub >>>> [/apex/com.android.art/lib64/libart.so]) (BuildId: >>>> 80d2ab18f9d259d8e546c1e6bae752b1) >>>> #18 pc 0x2de270 (art::ArtMethod::Invoke(art::Thread*, unsigned int*, >>>> unsigned int, art::JValue*, char const*) >>>> [/apex/com.android.art/lib64/libart.so]) (BuildId: >>>> 80d2ab18f9d259d8e546c1e6bae752b1) >>>> #19 pc 0x4bfcf4 (art::Thread::CreateCallback(void*) >>>> [/apex/com.android.art/lib64/libart.so]) (BuildId: >>>> 80d2ab18f9d259d8e546c1e6bae752b1) >>>> #20 pc 0x4bf940 (art::Thread::CreateCallbackWithUffdGc(void*) >>>> [/apex/com.android.art/lib64/libart.so]) (BuildId: >>>> 80d2ab18f9d259d8e546c1e6bae752b1) >>>> #21 pc 0x82740 (__pthread_start(void*) >>>> [/apex/com.android.runtime/lib64/bionic/libc.so]) (BuildId: >>>> 61a049a7ad18156ebc52d8d483539df9) >>>> #22 pc 0x74b98 (__start_thread >>>> [/apex/com.android.runtime/lib64/bionic/libc.so]) (BuildId: >>>> 61a049a7ad18156ebc52d8d483539df9) >>>> >>>> Is there any explanation for this? >>>> >>>> Thanks a lot! >>>> >>> -- >> -- >> v8-users mailing list >> [email protected] >> http://groups.google.com/group/v8-users >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion visit >> https://groups.google.com/d/msgid/v8-users/266ccc03-ff09-466a-9cfa-73f6394685c2n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/v8-users/266ccc03-ff09-466a-9cfa-73f6394685c2n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > > Igor Sheludko > > Software Engineer > > [email protected] > > > Google Germany GmbH > > Erika-Mann-Straße 33 > > 80636 München > > > Geschäftsführer: Paul Manicle, Liana Sebastian > > Registergericht und -nummer: Hamburg, HRB 86891 > > Sitz der Gesellschaft: Hamburg > > > Diese E-Mail ist vertraulich. Falls sie diese fälschlicherweise erhalten > haben sollten, leiten Sie diese bitte nicht an jemand anderes weiter, > löschen Sie alle Kopien und Anhänge davon und lassen Sie mich bitte wissen, > dass die E-Mail an die falsche Person gesendet wurde. > > > > This e-mail is confidential. If you received this communication by > mistake, please don't forward it to anyone else, please erase all copies > and attachments, and please let me know that it has gone to the wrong > person. > > > > > -- -- v8-users mailing list [email protected] http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/v8-users/a0315db5-c82b-4d46-a546-9735afca8ae6n%40googlegroups.com.
