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I bisected and this kernel change triggers the hang. > > > > Julian, may I ask you to take a look in the hang? > > Hi Shin'ichiro, > > Thanks for the report. This issue should be fixed by: > https://lore.kernel.org/all/20261022062513.77372-1-mzx199711@gmail.com/ > > Could you please apply that patch and rerun block/050? Thanks, the patch avoided the block/050 hang. Good.