From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C9C593595C for ; Fri, 14 Feb 2025 15:14:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739546076; cv=none; b=lyMKYr1972SsVdd84LbU80CdLFmnoPn6lVaZjeBn8AFDUkZmcU13Fyk2FGPZN39SZ6GmNnxv3xjBhdpat91ne5vHLHL73nb7THGu85POxP4/te3CW43NaURRlQZpBila1/xcd38+JxKY7Dxb9VX3YITzGBVn0TZqfFt1FxkTXqc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739546076; c=relaxed/simple; bh=NBJNgn3AlLLb4Ld17GM2TREsk6uTzeBBy2ujaupVIH4=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rbHRLCKvQHIR5HvFghAbX3fdz5ESna7/fzOsVETzX79iAFud8lJJ4+WqA/oCIHjuy2+x+iSFYgkB2KmPbqwjh7GFdQh84BHAY4xGH42Qiwmre6dEnaFJvaEiq3RF//KLQVQWkIio5+2mhtmK+3nex6YGPP6MtZqoznPwRMtiQUI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AwhMLxYl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AwhMLxYl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B996C4CED1; Fri, 14 Feb 2025 15:14:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739546076; bh=NBJNgn3AlLLb4Ld17GM2TREsk6uTzeBBy2ujaupVIH4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=AwhMLxYlxT1+zXZ62PSqG3agv+l7k97Ho7JcMUajuHcY+b2Hg/YnZmijbTO/wXyjS 63EO5hTLDtGfYH75qcUPih1+YddrsasCC0MHF4/Z+/3d7neNo422eKcdL3kec+TN1S QG5063sG+/ZUGsZ6OqaNN/KStvAwuYNtmQhSAZK+VrbyAkT0JNmH5wgNCsHbt0LmKY s1dCnvQAEqdpHaF8nQgZir6tbo6FKlI7rzCUxbFtqq4Q7gpBoOAtv/QuqxODDnFcse OMTx/8AhjViihjCNZnEFKIq98B3bfRt5nQEBWTDT3tuHJ+HCDcwyCSn4ONNCIhzcmz PiXOfuyi3/huw== Date: Fri, 14 Feb 2025 07:14:35 -0800 From: Jakub Kicinski To: Johannes Berg Cc: "Berg, Benjamin" , "netdev@vger.kernel.org" Subject: Re: [TEST] kunit/cfg80211-ie-generation flaking ? Message-ID: <20250214071435.47d69038@kernel.org> In-Reply-To: <2f46c4a25fbfbc4ae6d8352426a6316a50bfa103.camel@sipsolutions.net> References: <20250213093709.79de1a25@kernel.org> <20250213104618.07d9a5fe@kernel.org> <2f46c4a25fbfbc4ae6d8352426a6316a50bfa103.camel@sipsolutions.net> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 13 Feb 2025 20:03:04 +0100 Johannes Berg wrote: > > Oh, that's annoying :( Thanks for investigating. > > I think the CI runs when the machine is overloaded by builds. > > I'll add some safety for that. > > It almost feels like it shouldn't matter - couldn't qemu just kind of > 'pause' the VM when the serial port isn't keeping up? I think you're > using qemu? But I guess I could also see why that might not be something > you want in other use cases... > > Not sure, but it really seems more related to the output (buffering) > than anything else. > > Are you using the tools/testing/kunit/kunit.py script? Yes. We do set: Environment=PYTHONUNBUFFERED=true So that the logs reach journald without a huge delay. I guess it disturbs the kunit wrapper.