After device difference is as below:
Network Controller configurations differ, before:
PCI: 0000:03:00.0, VID: e4:27, Class: 02:80 (Network controller)
Config:
0000: e4 14 27 47 06 00 18 00 01 00 80 02 10 00 00 00 ..'G............
0010: 04 00 50 f3 00 00 00 00 00 00 00 00 00 00 00 00 ..P.............
0020: 00 00 00 00 00 00 00 00 00 00 00 00 e4 14 08 06 ................
0030: 00 00 00 00 40 00 00 00 00 00 00 00 07 01 00 00 ....@...........
versus after:
PCI: 0000:03:00.0, VID: e4:27, Class: 02:80 (Network controller)
Config:
0000: e4 14 27 47 06 00 10 00 01 00 80 02 10 00 00 00 ..'G............
0010: 04 00 50 f3 00 00 00 00 00 00 00 00 00 00 00 00 ..P.............
0020: 00 00 00 00 00 00 00 00 00 00 00 00 e4 14 08 06 ................
0030: 00 00 00 00 40 00 00 00 00 00 00 00 07 01 00 00 ....@...........
Carefully comparing them found BYTE 6 is changed from 0x18 to 0x10, i.e.
BIT3 changed. According to PCI spec, it is Status Register and its
"interrupt Status" (This read-only bit reflects the state of the
interrupt in the device/function.) This can indicate the device was be
used when fwts reads its pci registers.
This can also be safely ignored.
** Changed in: linux-lts-saucy (Ubuntu)
Status: New => Opinion
** Changed in: linux-lts-saucy (Ubuntu)
Importance: Medium => Low
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https://bugs.launchpad.net/bugs/1284926
Title:
[Lenovo B490s] fwts: FAILED [HIGH] DevConfigDiffAfterS3
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