diff --git a/src/dipdup/datasources/substrate_node.py b/src/dipdup/datasources/substrate_node.py
index 83183cc11..56ebc6bfa 100644
--- a/src/dipdup/datasources/substrate_node.py
+++ b/src/dipdup/datasources/substrate_node.py
@@ -4,6 +4,7 @@
 from asyncio import Queue
 from collections.abc import Awaitable
 from collections.abc import Callable
+from contextlib import suppress
 from copy import copy
 from dataclasses import dataclass
 from dataclasses import field
@@ -203,7 +204,7 @@ async def _on_message(self, message: Message) -> None:
                 # NOTE: Set None to identify possible subscriptions conflicts
                 self._pending_subscription = None
             else:
-                raise Exception
+                raise FrameworkException('id in data, but no pending subscription')
         elif 'method' in data and data['method'].startswith('chain_'):
             subscription_id = data['params']['subscription']
             if subscription_id not in self._subscription_ids:
@@ -247,7 +248,12 @@ async def get_full_block(self, hash: str) -> dict[str, Any]:
         return await self._jsonrpc_request('chain_getBlock', [hash])  # type: ignore[no-any-return]
 
     async def get_events(self, block_hash: str) -> tuple[_SubstrateNodeEventResponse, ...]:
-        events = await self._interface.get_events(block_hash)
+        # FIXME: aiosubstrate bug, fix asap
+        while True:
+            with suppress(AttributeError):
+                events = await self._interface.get_events(block_hash)
+                break
+            await asyncio.sleep(0.1)
 
         result: list[_SubstrateNodeEventResponse] = []
         for raw_event in events:
diff --git a/src/dipdup/indexes/_subsquid.py b/src/dipdup/indexes/_subsquid.py
index 9c93883e9..9c9210e3e 100644
--- a/src/dipdup/indexes/_subsquid.py
+++ b/src/dipdup/indexes/_subsquid.py
@@ -46,6 +46,8 @@ async def _get_node_sync_level(
         node = node or random.choice(self.node_datasources)
 
         node_sync_level = await node.get_head_level()
+        node._logger.info('current head is %s', node_sync_level)
+
         subsquid_lag = abs(node_sync_level - subsquid_level)
         subsquid_available = subsquid_level - index_level
         self._logger.info('Subsquid is %s levels behind; %s available', subsquid_lag, subsquid_available)
@@ -64,7 +66,9 @@ async def _synchronize(self, sync_level: int) -> None:
             return
 
         if self.subsquid_datasources:
-            subsquid_sync_level = await self.subsquid_datasources[0].get_head_level()
+            datasource = self.subsquid_datasources[0]
+            subsquid_sync_level = await datasource.get_head_level()
+            datasource._logger.info('current head is %s', subsquid_sync_level)
             metrics._sqd_processor_chain_height = subsquid_sync_level
         else:
             subsquid_sync_level = 0
@@ -74,15 +78,16 @@ async def _synchronize(self, sync_level: int) -> None:
         # NOTE: Fetch last blocks from node if there are not enough realtime messages in queue
         if node_sync_level:
             sync_level = min(sync_level, node_sync_level)
-            self._logger.debug('Using node datasource; sync level: %s', sync_level)
+            self._logger.info('Synchronizing with `node`: %s -> %s', index_level, sync_level)
             await self._synchronize_node(sync_level)
         else:
             sync_level = min(sync_level, subsquid_sync_level)
+            self._logger.info('Synchronizing with `subsquid`: %s -> %s', index_level, sync_level)
             await self._synchronize_subsquid(sync_level)
 
         if not self.node_datasources and not self._subsquid_started:
             self._subsquid_started = True
-            self._logger.info('No `evm.node` datasources available; polling Subsquid')
+            self._logger.info('No `node` datasources available; polling Subsquid')
             for datasource in self.subsquid_datasources:
                 await datasource.start()
 
diff --git a/src/dipdup/indexes/substrate_events/fetcher.py b/src/dipdup/indexes/substrate_events/fetcher.py
index 04f791746..a56ae3710 100644
--- a/src/dipdup/indexes/substrate_events/fetcher.py
+++ b/src/dipdup/indexes/substrate_events/fetcher.py
@@ -1,6 +1,7 @@
 import asyncio
 from collections.abc import AsyncIterator
 from collections.abc import Iterable
+from contextlib import suppress
 from typing import Any
 
 from dipdup.datasources.substrate_node import SubstrateNodeDatasource
@@ -159,14 +160,16 @@ async def _log_loop() -> None:
         )
 
         while True:
-            if sum(queues[q].qsize() for q in queues) == 0 and all(t.done() for t in tasks):
+            if sum(queues[q].qsize() for q in queues) == 0 and all(t.done() for t in tasks[:-1]):
                 break
 
             for t in tasks:
-                if t.done():
+                if t.done() or t.cancelled():
                     await t
 
-            header, events = await queues['events'].get()
-            yield tuple(SubstrateEventData.from_node(event, header) for event in events)
+            with suppress(asyncio.TimeoutError):
+                while True:
+                    header, events = await asyncio.wait_for(queues['events'].get(), timeout=1)
+                    yield tuple(SubstrateEventData.from_node(event, header) for event in events)
 
         tasks[-1].cancel()