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virtio-scsi request causing regression To: Sami Mujawar , "devel@edk2.groups.io" , "srikanth.aithal@amd.com" , Ard Biesheuvel , Jiewen Yao , Gerd Hoffmann References: <4e3b70bf-2655-46da-bcc8-ba1c57ae4382@amd.com> <697893FB-E963-4C9E-A8E0-1184980C6C88@arm.com> From: "Aithal, Srikanth via groups.io" In-Reply-To: <697893FB-E963-4C9E-A8E0-1184980C6C88@arm.com> X-ClientProxiedBy: MA0P287CA0005.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:d9::17) To IA1PR12MB6460.namprd12.prod.outlook.com (2603:10b6:208:3a8::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA1PR12MB6460:EE_|PH7PR12MB6786:EE_ X-MS-Office365-Filtering-Correlation-Id: 33388bf7-6f9b-4647-0b59-08dcb2b32e1e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Message-Info: =?utf-8?B?QVQrcjd2bU81czRpWXNuVWlZOEY4cEg1ZFVMOHJuSkF6YkhyVWNoN2tRaTVY?= =?utf-8?B?WGpVSTRJcVd3K0JGak54cno3SnVPa0greVY4MzVhTnNRakNqbkg1K3BSa01y?= 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IA1PR12MB6460.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Aug 2024 05:23:02.3536 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: pnj7CSzIFwtvMLZ6epa/J9qN3ZuBMjJ6q6W9KD1qKUaOnTnnOFTO6iuTPBxI5PWJASeRZk75o2OjnkqShMORWA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6786 Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Resent-Date: Thu, 01 Aug 2024 22:23:06 -0700 Resent-From: srikanth.aithal@amd.com Reply-To: devel@edk2.groups.io,srikanth.aithal@amd.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: FKP1ifXNt3rM5mx9WH9jfS3Ex7686176AA= Content-Type: multipart/alternative; boundary="------------45hbmYA3fh6oRclQqiEuaz2G" Content-Language: en-US X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20240206 header.b="is5n7Ad/"; dmarc=pass (policy=none) header.from=groups.io; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 45.79.224.7 as permitted sender) smtp.mailfrom=bounce@groups.io --------------45hbmYA3fh6oRclQqiEuaz2G Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 8/2/2024 9:26 AM, Sami Mujawar wrote: > > Hi Shrikanth, > > It appears I had missed out passing the correct virtio-scsi request > size when enqueuing the request. > > I have now fixed that in the pull request at > https://github.com/tianocore/edk2/pull/6038. > > Can you try the patch in the pull request at and let me know if it > fixes the issue, please? > Yes, this pull request fixes the issue. Thank you. Reported-by: Aithal Srikanth Tested-by: Aithal Srikanth > Regards, > > Sami Mujawar > > *From: *Sami Mujawar > *Date: *Thursday 1 August 2024 at 16:53 > *To: *"devel@edk2.groups.io" , > "srikanth.aithal@amd.com" , Ard Biesheuvel > , Jiewen Yao , Gerd > Hoffmann > *Subject: *Re: [edk2-devel] Patch OvmfPkg: Use heap memory for > virtio-scsi request causing regression > > Hi Srikanth, > > Thanks for reporting this issue. It is strange that the virtio-blk > driver is working with a similar change. > > I am looking into why this may be failing. > > Regards, > > Sami Mujawar > > *From: * on behalf of "Aithal, Srikanth via > groups.io" > *Reply to: *"devel@edk2.groups.io" , > "srikanth.aithal@amd.com" > *Date: *Thursday 1 August 2024 at 12:28 > *To: *"devel@edk2.groups.io" , Sami Mujawar > , Ard Biesheuvel , > Jiewen Yao , Gerd Hoffmann > *Subject: *[edk2-devel] Patch OvmfPkg: Use heap memory for virtio-scsi > request causing regression > *Resent from: * > *Resent date: *Thursday 1 August 2024 at 12:28 > > Hello all, > > After the patches [1fc55a39, b342070c] OvmfPkg: Use heap memory for > virtio-blk request/OvmfPkg: Use heap memory for virtio-scsi request > got merged, this regression is spotted. > > AMD SVM/SEV/SEVES guest boot fails with OVMF packages [Ia3264/X64] > built from today's upstream edk2 repository[Head: 85fad99]. > > Guest boot with OVMF.fd or only with OVMF_CODE.fd gets stuck at below > point: > > /Divisor   = 1 > BaudRate/Actual (115200/115200) = 100% > PciSioSerial: Create SIO child serial device - Device Error > PlatformBootManagerAfterConsole > Found Mass Storage device: PciRoot(0x0)/Pci(0x3,0x0) > InstallProtocolInterface: FA920010-6785-4941-B6EC-498C579F160A 3DEB82A0 > InstallProtocolInterface: 143B7632-B81B-4CB7-ABD3-B625A5B9BFFE 3DE10AA0 > InstallProtocolInterface: 0167CCC4-D0F7-4F21-A3EF-9E64B7CDCE8B 3DE5D4A0 > qemu-system-x86_64: wrong size for virtio-scsi headers <========== > gets hung/ > > If both OVMF code and vars file are provided the issue is not hit. > > Qemu command line to recreate the issue: > > /qemu-system-x86_64 \ > -machine q35,kernel_irqchip=split \ > -name guest=vm,debug-threads=on \ > -drive if=pflash,format=raw,unit=0,file=OVMF_CODE.fd,readonly \ > -cpu host \ > -m 1024 \ > -smp 1,cores=1,threads=1,dies=1,sockets=1 \ > -kernel bzImage \ > -append "root=/dev/sda rw console=ttyS0 net.ifnames=0 biosdevname=0 > movable_node swiotlb=65536 " \ > -drive id=disk0,file=22.04-server.qcow2,format=qcow2,if=none \ > -device virtio-scsi-pci,id=scsi0,disable-legacy=on,iommu_platform=true \ > -device scsi-hd,drive=disk0 \ > --enable-kvm \ > --nographic/ > > Thanks, > > Srikanth Aithal > > > > IMPORTANT NOTICE: The contents of this email and any attachments are > confidential and may also be privileged. If you are not the intended > recipient, please notify the sender immediately and do not disclose > the contents to any other person, use it for any purpose, or store or > copy the information in any medium. Thank you. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#120204): https://edk2.groups.io/g/devel/message/120204 Mute This Topic: https://groups.io/mt/107663187/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=- --------------45hbmYA3fh6oRclQqiEuaz2G Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit


On 8/2/2024 9:26 AM, Sami Mujawar wrote:

Hi Shrikanth,

 

It appears I had missed out passing the correct virtio-scsi request size when enqueuing the request.

I have now fixed that in the pull request at https://github.com/tianocore/edk2/pull/6038.

Can you try the patch in the pull request at and let me know if it fixes the issue, please?

 

Yes, this pull request fixes the issue. Thank you.

Reported-by: Aithal Srikanth <sraithal@amd.com>

Tested-by: Aithal Srikanth <sraithal@amd.com>

Regards,

 

Sami Mujawar

 

From: Sami Mujawar <Sami.Mujawar@arm.com>
Date: Thursday 1 August 2024 at 16:53
To: "devel@edk2.groups.io" <devel@edk2.groups.io>, "srikanth.aithal@amd.com" <srikanth.aithal@amd.com>, Ard Biesheuvel <ardb+tianocore@kernel.org>, Jiewen Yao <jiewen.yao@intel.com>, Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [edk2-devel] Patch OvmfPkg: Use heap memory for virtio-scsi request causing regression

 

Hi Srikanth,

 

Thanks for reporting this issue. It is strange that the virtio-blk driver is working with a similar change.

I am looking into why this may be failing.

 

Regards,

 

Sami Mujawar

From: <devel@edk2.groups.io> on behalf of "Aithal, Srikanth via groups.io" <srikanth.aithal=amd.com@groups.io>
Reply to: "devel@edk2.groups.io" <devel@edk2.groups.io>, "srikanth.aithal@amd.com" <srikanth.aithal@amd.com>
Date: Thursday 1 August 2024 at 12:28
To: "devel@edk2.groups.io" <devel@edk2.groups.io>, Sami Mujawar <Sami.Mujawar@arm.com>, Ard Biesheuvel <ardb+tianocore@kernel.org>, Jiewen Yao <jiewen.yao@intel.com>, Gerd Hoffmann <kraxel@redhat.com>
Subject: [edk2-devel] Patch OvmfPkg: Use heap memory for virtio-scsi request causing regression
Resent from: <srikanth.aithal@amd.com>
Resent date: Thursday 1 August 2024 at 12:28

 

Hello all,

After the patches [1fc55a39, b342070c] OvmfPkg: Use heap memory for virtio-blk request/OvmfPkg: Use heap memory for virtio-scsi request got merged, this regression is spotted.

AMD SVM/SEV/SEVES guest boot fails with OVMF packages [Ia3264/X64] built from today's upstream edk2 repository[Head: 85fad99]. 

Guest boot with OVMF.fd or only with OVMF_CODE.fd gets stuck at below point:

Divisor   = 1
BaudRate/Actual (115200/115200) = 100%
PciSioSerial: Create SIO child serial device - Device Error
PlatformBootManagerAfterConsole
Found Mass Storage device: PciRoot(0x0)/Pci(0x3,0x0)
InstallProtocolInterface: FA920010-6785-4941-B6EC-498C579F160A 3DEB82A0
InstallProtocolInterface: 143B7632-B81B-4CB7-ABD3-B625A5B9BFFE 3DE10AA0
InstallProtocolInterface: 0167CCC4-D0F7-4F21-A3EF-9E64B7CDCE8B 3DE5D4A0
qemu-system-x86_64: wrong size for virtio-scsi headers   <========== gets hung

If both OVMF code and vars file are provided the issue is not hit.

Qemu command line to recreate the issue:

qemu-system-x86_64 \
-machine q35,kernel_irqchip=split \
-name guest=vm,debug-threads=on \
-drive if=pflash,format=raw,unit=0,file=OVMF_CODE.fd,readonly \
-cpu host \
-m 1024 \
-smp 1,cores=1,threads=1,dies=1,sockets=1 \
-kernel bzImage \
-append "root=/dev/sda rw console=ttyS0 net.ifnames=0 biosdevname=0 movable_node swiotlb=65536 " \
-drive id=disk0,file=22.04-server.qcow2,format=qcow2,if=none \
-device virtio-scsi-pci,id=scsi0,disable-legacy=on,iommu_platform=true \
-device scsi-hd,drive=disk0 \
--enable-kvm \
--nographic

Thanks,

Srikanth Aithal

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