prysm error log : context deadline exceeded

[BomaxChen]

our prysm client encounter err log below

level=error msg="Could not handle p2p pubsub" error="could not save post state info: could not save state: context deadline exceeded" prefix=sync topic="/eth2/6a95a1a9/beacon_block/ssz_snappy"

after then , our inbound peer suddenly fall down

level=info msg="Peer summary" activePeers=68 inbound=56 outbound=12 prefix=p2p 
level=info msg="Peer summary" activePeers=72 inbound=52 outbound=20 prefix=p2p
level=info msg="Peer summary" activePeers=73 inbound=48 outbound=25 prefix=p2p
level=info msg="Peer summary" activePeers=63 inbound=2 outbound=61 prefix=p2p

geth layer is normal but prysm encounter this error twice times.

although it recover after minutes, but we want to resolve root cause.
is there any possible reason?

[terencechain]

Which version?

[BomaxChen]

v5.0.0

but we have 3 fullnodes, only one fullnode encounter this issue

[prestonvanloon]

Does this issue occur with the latest version? We are on v5.1.2