From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFD833043B8 for ; Tue, 30 Sep 2025 15:11:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759245102; cv=none; b=fbX+gUSwHO6vHHcaQLdo1yaCvPk7503+Bbi4e7Falw+Y04W1DXGjPyfJjYOXC/eco8G+nfzUWf9ahaF61SdP8BCoXt4z5/n9njtmMoQaObXsO7WKbMtqLQYUU6WUaoWAB2Rum4ca2SK5FBDWR93OvJ7Pd3lWQ4r6gVNfPQ6JRuw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759245102; c=relaxed/simple; bh=EoQoC9gmyDFd04iDE/2CPVDmTENmOaGyZ91Ul897hi8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=OLeHHIg1UBX3K+gTEtAuaD3CkcVzDaiecJhMkCIe9VTn66FuqAaImNZe/D+d/LC46VTMdLkcPFoUKGvCA6F6UVCnXcQEPwmWD0GeiwDyPpDBHWSuk+z31c846/SJ69B2Z5uT1D8pNwvUVM8eOFoUFaDDKj2inB7CawfuoncZ12U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=aoyu7XAx; arc=none smtp.client-ip=209.85.216.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="aoyu7XAx" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-3305c08d975so6114233a91.3 for ; Tue, 30 Sep 2025 08:11:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1759245100; x=1759849900; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=NRw+IQDxMuuhxFprgh+nTQeMioqYSRGrn50nIsG9oms=; b=aoyu7XAxUwoLK7wIlffUYIJEI/1xFiKHxTEIzO0Y81xADl0TcRuCrZM1tvnvUQYsnX Mvb+VIDph920gD28T1LkJpJcwibWN9oadUCCOJXLxxljQUaVadk9sek3UKYCXowJbluJ C9yeOun1arQR5ivB3jI7AmfEkylN0ujlKY+FMrgYroN3axq1CTRUlK392ZYZVW6BP21O maYqs9yqhLr8uhGDFVkESSbwQhH4TjdUrA8oBf4WLn9R//QABiKCDnyX2Cz7SYhBXcal UX6hDp2OcJlYueEe8m2rXH6KLMz4tKn6vTwzqU4Dg4FU8XuBIgFp9xPAoJFTw0pdr5j6 O0zw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759245100; x=1759849900; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=NRw+IQDxMuuhxFprgh+nTQeMioqYSRGrn50nIsG9oms=; b=SZ3h/ktN0j7h82eIo6urMYaZLAF3F2Ooy3NxvGQxdyP72Yb5N1/LOBcSKLpCFEy0Kq 9L7xBxS7E4s98WK4y4aw3ZVPBOVsHeLc5lNqfMAYSCKFzN5cnnr62V1U2BSbLyjTGK8y SRSe8d6NhiLnXPAbjOABZJW5UW/PHjXrxNPUHOnvjkoR6ZWZsrPsT91q+vezdbYvqKj2 PI9gW9lYv7XwpQ5MUOQlMBDoglNkRl7VuijcVjxUpAiZHFol0kk7F50BTlvNm8W7idz0 KW080pJfKopHAmnJcDykkWzGfaPTNouOrR652Jhdrf8UvsJ0BrH4DZkgYZ+fJzBQ+Yi+ fBzw== X-Forwarded-Encrypted: i=1; AJvYcCV9OvyUmBSKt7VhG4GC4odqX8/tydqvWBw9UFzcemnaMqK/Ep2ffr+4LK67oVB70JkJHkzQ3Qabq4q/FZE=@vger.kernel.org X-Gm-Message-State: AOJu0Yz60GHVwPb3hsgppPssB2vSSguPVB9PS5R6FVzafTTCqDuXDQJ/ bdDm0D9rXI2NKTrhUEdubTtwNBDH8G7drsPZ5m1CcdBPl1mXBUlrhZ7znRFPM9/ejGY8KSqq4K9 mvFLX1w== X-Google-Smtp-Source: AGHT+IFBJmhE94WYrCLM6s2PzvuRfYNTdKgTIJ07w4Sqgez2h3b8qceYm4qVSWPiyT7z6wceIMRCZp20cTU= X-Received: from pjzg20.prod.google.com ([2002:a17:90a:e594:b0:339:9a75:1b1e]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:1b4a:b0:330:72fb:ac13 with SMTP id 98e67ed59e1d1-3342a22cc80mr21528295a91.5.1759245100148; Tue, 30 Sep 2025 08:11:40 -0700 (PDT) Date: Tue, 30 Sep 2025 08:11:38 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: Message-ID: Subject: Re: selftests: kvm: irqfd_test: KVM_IRQFD failed, rc: -1 errno: 11 (Resource temporarily unavailable) From: Sean Christopherson To: Naresh Kamboju Cc: "open list:KERNEL SELFTEST FRAMEWORK" , kvmarm@lists.linux.dev, open list , lkft-triage@lists.linaro.org, Linux Regressions , kvm list , Paolo Bonzini , K Prateek Nayak , Arnd Bergmann , Dan Carpenter , Anders Roxell , Ben Copeland Content-Type: text/plain; charset="us-ascii" On Tue, Sep 30, 2025, Naresh Kamboju wrote: > The selftests: kvm: irqfd_test consistently fails across all test platforms > since its introduction in Linux next-20250625. The failure occurs due to > a KVM_IRQFD ioctl returning errno 11 (Resource temporarily unavailable). > This has been observed from day one and is reproducible on all test runs. It's a known issue[*], that I think we kinda forgot about. The underlying issue is that KVM ARM needs the test to create a vGIC, but the fix stalled out a bit because there isn't one single, "obviously correct" way to do that. I'll Cc you and ping Oliver on the other thread. [*] https://lore.kernel.org/all/20250825155203.71989-1-sebott@redhat.com