Bug 204057 - Enabling ASPM on 02:00:00 NVMe device causes RX CRC errors on 00:1f.6 ethernet
Summary: Enabling ASPM on 02:00:00 NVMe device causes RX CRC errors on 00:1f.6 ethernet
Status: RESOLVED CODE_FIX
Alias: None
Product: Drivers
Classification: Unclassified
Component: PCI (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: drivers_pci@kernel-bugs.osdl.org
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-07-03 11:24 UTC by Kai-Heng Feng
Modified: 2019-10-25 06:59 UTC (History)
2 users (show)

See Also:
Kernel Version: v5.2-rc7
Tree: Mainline
Regression: No


Attachments
dmesg (64.62 KB, text/plain)
2019-07-03 11:27 UTC, Kai-Heng Feng
Details
lspci -t (332 bytes, text/plain)
2019-07-03 11:27 UTC, Kai-Heng Feng
Details
lspci -vvv (27.01 KB, text/plain)
2019-07-03 11:27 UTC, Kai-Heng Feng
Details

Description Kai-Heng Feng 2019-07-03 11:24:23 UTC

    
Comment 1 Kai-Heng Feng 2019-07-03 11:27:06 UTC
Created attachment 283527 [details]
dmesg
Comment 2 Kai-Heng Feng 2019-07-03 11:27:26 UTC
Created attachment 283529 [details]
lspci -t
Comment 3 Kai-Heng Feng 2019-07-03 11:27:47 UTC
Created attachment 283531 [details]
lspci -vvv
Comment 4 Bjorn Helgaas 2019-07-03 12:49:39 UTC
Thanks for the logs.

Per [1], this issue doesn't occur on the out-of-tree e1000e driver, presumably from Intel:

  Same behavior can be observed on both mainline kernel and on your
  dev-queue branch.  OTOH, the same issue can’t be observed on
  out-of-tree e1000e.

  Is there any plan to close the gap between upstream and out-of-tree
  version?

So somebody needs to figure out the difference between the two and get the fix upstream.  This is just a heads-up that the solution is there, waiting to be discovered, so there's no need to try to debug it from scratch.

[1] https://lore.kernel.org/lkml/C4036C54-EEEB-47F3-9200-4DD1B22B4280@canonical.com/
Comment 5 Kai-Heng Feng 2019-10-25 06:59:40 UTC
Fixed by e5e9a2ecfe780975820e157b922edee715710b66 e1000e: add workaround for possible stalled packet

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