Re: [Intel-wired-lan] [Bug 216599] New: i210 doesn't work and triggers netdev watchdog (Linux 5.10)

["jeffrey.tseng (曾弘)" <jeffrey.tseng@gigabyte.com>]

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Hi Bjorn , Jesse and Tony



I already updated my status on Bugzilla and the issue is still there.(P1)

https://bugzilla.kernel.org/show_bug.cgi?id=216599



Platform : imx8mm

Linux version : 5.10



My kernel log :

[    2.764994] pci 0000:01:00.0: BAR 0: assigned [mem 0x18100000-0x1817ffff]

[    2.771801] pci 0000:01:00.0: BAR 3: assigned [mem 0x18180000-0x18183fff]

[    2.778620] pci 0000:01:00.0: BAR 2: assigned [io  0x1000-0x101f]





The log of kernel issue.

  BAR 0: 0x40000000 (32-bit, non-prefetchable) [size=1M]

  BAR 3: 0x40200000 (32-bit, non-prefetchable) [size=16K]

  ROM:   0x40200000 (disabled) [size=1M]



I try to modify the PCIE driver of kernel to Expansion ROM but it seem to show not thing and work not well. (P2)





Dear Jesse and Anthony

Is this a igb driver issue or i210 defective ? If it already fixed, you can give me a suggestion to download the fixed version check it out.

Please kindly give me a hand.



Jeffrey











P1 :

[cid:image001.png@01D8E300.51031010]









P2:

[cid:image002.png@01D8E302.2D0EE420]





Best Regards,

Jeffrey Tseng 曾弘

技嘉科技 GIGABYTE

新北市新店區北新路三段213號11樓

電話: 02-89787668 ext. 556

Mobile : 0952432332

line : 0952432332

E-mail: jeffrey.tseng@gigabyte.com







-----Original Message-----
From: Bjorn Helgaas <helgaas@kernel.org>
Sent: Tuesday, October 18, 2022 1:08 AM
To: Jesse Brandeburg <jesse.brandeburg@intel.com>; Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: jeffrey.tseng (曾弘) <jeffrey.tseng@gigabyte.com>; netdev@vger.kernel.org; linux-pci@vger.kernel.org; intel-wired-lan@lists.osuosl.org; linux-kernel@vger.kernel.org
Subject: Re: [Bug 216599] New: i210 doesn't work and triggers netdev watchdog (Linux 5.10)



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On Mon, Oct 17, 2022 at 11:09:20AM +0000, bugzilla-daemon@kernel.org<mailto:bugzilla-daemon@kernel.org> wrote:

> https://urldefense.com/v3/__https://bugzilla.kernel.org/show_bug.cgi?i<https://urldefense.com/v3/__https:/bugzilla.kernel.org/show_bug.cgi?i>

> d=216599__;!!DaQGe0nW977OPw!nRfCuRVCLM4YW4T8lrmKHPy7gHiU2nPJVoN03EYlj2

> VYD6tGeXTlmGOoLhpX-vPc9_1P3_LsEz9r7zM6vnLuWnY$

>

>             Bug ID: 216599

>            Summary: i210 doesn't work and triggers netdev watchdog (Linux

>                     5.10)



> Created attachment 303021

>   -->

> https://urldefense.com/v3/__https://bugzilla.kernel.org/attachment.cgi<https://urldefense.com/v3/__https:/bugzilla.kernel.org/attachment.cgi>

> ?id=303021&action=edit__;!!DaQGe0nW977OPw!nRfCuRVCLM4YW4T8lrmKHPy7gHiU

> 2nPJVoN03EYlj2VYD6tGeXTlmGOoLhpX-vPc9_1P3_LsEz9r7zM6e138Wjg$

> This is the complete dmesg log and "sudo lspci -vv" output.

>

> Here is my question.

> My platform : imx8mm

> Ethernet Control : Intel I210

> Linux version 5.10.72-lts-5.10.y+g22ec7e8cbace (oe-user@oe-host)

> (aarch64-poky-linux-gcc (GCC) 10.2.0, GNU ld (GNU Binutils) 2. UTC

> 2011

>

> I follow this

> https://urldefense.com/v3/__https://git.kernel.org/linus/500b55b05d0a_<https://urldefense.com/v3/__https:/git.kernel.org/linus/500b55b05d0a_>

> _;!!DaQGe0nW977OPw!nRfCuRVCLM4YW4T8lrmKHPy7gHiU2nPJVoN03EYlj2VYD6tGeXT

> lmGOoLhpX-vPc9_1P3_LsEz9r7zM65IqfTIk$

> to add the patch in my platform.

>

> The issue and problem is still there. Anyone can give me a hand ?



Note this is an old v5.10 kernel on ARM64.  No indication of whether the problem occurs on a recent kernel.



We had an earlier issue with i210 when the disabled ROM BAR overlapped BAR 3 [1] and the watchdog triggered:



  BAR 0: 0x40000000 (32-bit, non-prefetchable) [size=1M]

  BAR 3: 0x40200000 (32-bit, non-prefetchable) [size=16K]

  ROM:   0x40200000 (disabled) [size=1M]

  ...

  NETDEV WATCHDOG: enP2p1s0 (igb): transmit queue 0 timed out

  Hardware name: Kontron SMARC-sAL28 (Single PHY) on SMARC Eval 2.0 carrier (DT)

  igb 0002:01:00.0 enP2p1s0: Reset adapter



But this case looks different because there is no ROM BAR at all.

From the dmesg attached at [2]:



  pci 0000:01:00.0: BAR 0: assigned [mem 0x18100000-0x1817ffff]

  pci 0000:01:00.0: BAR 3: assigned [mem 0x18180000-0x18183fff]

  pci 0000:01:00.0: BAR 2: assigned [io  0x1000-0x101f]

  ...

  igb 0000:01:00.0: Detected Tx Unit Hang

  NETDEV WATCHDOG: eth1 (igb): transmit queue 1 timed out



I'm assuming this is a driver issue, not a PCI core issue.  But please ping me if you think otherwise.



Bjorn



[1] https://urldefense.com/v3/__https://git.kernel.org/linus/500b55b05d0a__;!!DaQGe0nW977OPw!nRfCuRVCLM4YW4T8lrmKHPy7gHiU2nPJVoN03EYlj2VYD6tGeXTlmGOoLhpX-vPc9_1P3_LsEz9r7zM65IqfTIk$<https://urldefense.com/v3/__https:/git.kernel.org/linus/500b55b05d0a__;!!DaQGe0nW977OPw!nRfCuRVCLM4YW4T8lrmKHPy7gHiU2nPJVoN03EYlj2VYD6tGeXTlmGOoLhpX-vPc9_1P3_LsEz9r7zM65IqfTIk$>

[2] https://urldefense.com/v3/__https://bugzilla.kernel.org/show_bug.cgi?id=216599__;!!DaQGe0nW977OPw!nRfCuRVCLM4YW4T8lrmKHPy7gHiU2nPJVoN03EYlj2VYD6tGeXTlmGOoLhpX-vPc9_1P3_LsEz9r7zM6vnLuWnY$<https://urldefense.com/v3/__https:/bugzilla.kernel.org/show_bug.cgi?id=216599__;!!DaQGe0nW977OPw!nRfCuRVCLM4YW4T8lrmKHPy7gHiU2nPJVoN03EYlj2VYD6tGeXTlmGOoLhpX-vPc9_1P3_LsEz9r7zM6vnLuWnY$>

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