linux-kernel - Re: [PATCH v2] tg3: Disable tg3 device on system reboot to avoid triggering AER

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Date:   Sat, 27 Aug 2022 02:00:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     siva.kallam@...adcom.com, prashant@...adcom.com,
        mchan@...adcom.com, josef@...icpanda.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] tg3: Disable tg3 device on system reboot to avoid
 triggering AER

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 26 Aug 2022 08:25:30 +0800 you wrote:
> Commit d60cd06331a3 ("PM: ACPI: reboot: Use S5 for reboot") caused a
> reboot hang on one Dell servers so the commit was reverted.
> 
> Someone managed to collect the AER log and it's caused by MSI:
> [ 148.762067] ACPI: Preparing to enter system sleep state S5
> [ 148.794638] {1}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 5
> [ 148.803731] {1}[Hardware Error]: event severity: recoverable
> [ 148.810191] {1}[Hardware Error]: Error 0, type: fatal
> [ 148.816088] {1}[Hardware Error]: section_type: PCIe error
> [ 148.822391] {1}[Hardware Error]: port_type: 0, PCIe end point
> [ 148.829026] {1}[Hardware Error]: version: 3.0
> [ 148.834266] {1}[Hardware Error]: command: 0x0006, status: 0x0010
> [ 148.841140] {1}[Hardware Error]: device_id: 0000:04:00.0
> [ 148.847309] {1}[Hardware Error]: slot: 0
> [ 148.852077] {1}[Hardware Error]: secondary_bus: 0x00
> [ 148.857876] {1}[Hardware Error]: vendor_id: 0x14e4, device_id: 0x165f
> [ 148.865145] {1}[Hardware Error]: class_code: 020000
> [ 148.870845] {1}[Hardware Error]: aer_uncor_status: 0x00100000, aer_uncor_mask: 0x00010000
> [ 148.879842] {1}[Hardware Error]: aer_uncor_severity: 0x000ef030
> [ 148.886575] {1}[Hardware Error]: TLP Header: 40000001 0000030f 90028090 00000000
> [ 148.894823] tg3 0000:04:00.0: AER: aer_status: 0x00100000, aer_mask: 0x00010000
> [ 148.902795] tg3 0000:04:00.0: AER: [20] UnsupReq (First)
> [ 148.910234] tg3 0000:04:00.0: AER: aer_layer=Transaction Layer, aer_agent=Requester ID
> [ 148.918806] tg3 0000:04:00.0: AER: aer_uncor_severity: 0x000ef030
> [ 148.925558] tg3 0000:04:00.0: AER: TLP Header: 40000001 0000030f 90028090 00000000
> 
> [...]

Here is the summary with links:
  - [v2] tg3: Disable tg3 device on system reboot to avoid triggering AER
    https://git.kernel.org/netdev/net/c/2ca1c94ce0b6

You are awesome, thank you!
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