Hi Jakob Grube,
I am not reusing isolate. Each js execution happens in its own
isolate. But I have a threadpool that will reuse the thread. Means the same
thread may create another isolate after it gets a chance again.
I load the snapshot bytes into char* array. Each create the isolate i will
copy the bytes and feed to startup data in CreateParams.
I am creating a snapshot using
SnapshotCreator::CreateBlob(FunctionCodeHandling::kKeep).
I will check with --no-extensible_ro_snapshot
flags.append(" --no-extensible_ro_snapshot");
v8::V8::SetFlagsFromString(flags.c_str());
I am disabled like this.
On Tue, Jun 3, 2025 at 1:01 PM Jakob Gruber <jgru...@chromium.org> wrote:
>
>
> On Tue, Jun 3, 2025 at 8:29 AM Subash Durairaj <subash2826...@gmail.com>
> wrote:
>
>>
>> /lib/x86_64-linux-gnu/libc.so.6(+0x3bd60)[0x7fe7781b6d60]
>>
>> v8::internal::StringTableInsertionKeyC2EPNS0_7IsolateENS0_6HandleINS0_6StringEEENS0_27DeserializingUserCodeOptionE+0x1c)[0x55b7ef4e844c]
>>
>> v8::internal::StringTable::InsertForIsolateDeserializationIsolateERKSt6vectorINS0_6HandleINS0_6StringEEESaIS7_EE+0x74)[0x55b7ef416e14]
>>
>> v8::internal::SharedHeapDeserializer::DeserializeStringTableEv+0x93)[0x55b7ef4f80f3]
>>
>> v8::internal::SharedHeapDeserializer::DeserializeIntoIsolateEv+0x68)[0x55b7ef4f8448]
>> v8::internal::Isolate::Init::SnapshotDataES3_S3_b+0xd0d)[0x55b7ef12e00d]
>> v8::internal::Snapshot::InitializeEPNS0_7IsolateE+0x189)[0x55b7ef4f94b9]
>> v8::Isolate::Initialize::CreateParamsE+0x193)[0x55b7ef08d243]
>> v8::Isolate::New::CreateParamsE+0x22)[0x55b7ef08d532]
>>
>>
>> Hi Team, i am getting this crash when creating a new isolate.
>>
>> i am embedded v8 and running as a server to provide js execution.
>> i ran maximum of 100 isolates in parallel with two different snapshot.
>> each execution choose any one of snapshot
>>
>
> We've seen problems related to using different snapshots within the same
> Isolate before. To rule this out, please try disabling the
> `extensible_ro_snapshot` when building the snapshot, either by using the gn
> flag:
>
> v8_enable_extensible_ro_snapshot=false
>
> or the runtime flag:
>
> --no-extensible_ro_snapshot
>
> Otherwise, we'll need more information about the crash.
>
>
>>
>> i am getting this crash randomly. wondering how to fix this
>>
>> Please give me the direction to fix this.
>>
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