From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [IPv6:2a01:7e0:0:424::9]) by lore.proxmox.com (Postfix) with ESMTPS id C9D1B1FF161 for ; Tue, 5 Nov 2024 11:41:10 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 20B8C1DFDD; Tue, 5 Nov 2024 11:41:20 +0100 (CET) Message-ID: Date: Tue, 5 Nov 2024 11:40:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta To: Stoiko Ivanov References: <20241105092421.774448-1-d.csapak@proxmox.com> <20241105092421.774448-3-d.csapak@proxmox.com> <20241105111657.18f7053b@rosa.proxmox.com> Content-Language: en-US From: Dominik Csapak In-Reply-To: <20241105111657.18f7053b@rosa.proxmox.com> X-SPAM-LEVEL: Spam detection results: 0 AWL 0.016 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: Re: [pve-devel] [PATCH qemu-server 1/1] pci: don't hard require resetting devices for passthrough X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Proxmox VE development discussion Cc: Proxmox VE development discussion Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: pve-devel-bounces@lists.proxmox.com Sender: "pve-devel" On 11/5/24 11:16, Stoiko Ivanov wrote: > On Tue, 5 Nov 2024 10:24:21 +0100 > Dominik Csapak wrote: > >> Since pve-common commit: >> >> eff5957 (sysfstools: file_write: properly catch errors) >> >> this check here fails now when the reset does not work. It turns out >> that resetting the device is not always necessary, and we previously >> ignored most errors when trying to do so. >> >> To restore that functionality, downgrade this `die` to a warning. >> >> If the device really needs a reset to work, it will either fail later >> during startup, or not work correctly in the guest, but that behavior >> existed before and is AFAIK not really detectable from our side. >> >> Signed-off-by: Dominik Csapak >> --- >> PVE/QemuServer/PCI.pm | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/PVE/QemuServer/PCI.pm b/PVE/QemuServer/PCI.pm >> index 75eac134..dceb8938 100644 >> --- a/PVE/QemuServer/PCI.pm >> +++ b/PVE/QemuServer/PCI.pm >> @@ -728,7 +728,7 @@ sub prepare_pci_device { >> } else { >> die "can't unbind/bind PCI group to VFIO '$pciid'\n" >> if !PVE::SysFSTools::pci_dev_group_bind_to_vfio($pciid); >> - die "can't reset PCI device '$pciid'\n" >> + warn "can't reset PCI device '$pciid'\n" > maybe the issue would get more visiblity if we used > PVE::RESTEnvironment::log_warn here? > not really sure if it makes sense to mark the start tasks specifically for > something that worked before without any logline indicating that something > was off - but as I somehow expected to see the task with a warning - I > thought I'd drop this here > meh not a fan of tihs, because it implies there is something to be done by the user here. but either it works, then the warning is just a documentation strange hardware behavior, or it does not work, which the user cannot fix himself anyway (if it's because the reset does not work) just having the warning in the task log is IMHO good enough > > >> if $info->{has_fl_reset} && !PVE::SysFSTools::pci_dev_reset($info); >> } >> > _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel