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Hi,
Can anyone help me?
OS:
Linux kernel 4.14.49 from Open Network Linux (http://www.opennetlinux.org)
Linux kernel 4.14.49 from Open Network Linux (http://www.opennetlinux.org)
PCI information:
>lspci -nn
...
00:00.0 Host bridge [0600]: Intel Corporation Atom processor C2000 SoC Transaction Router [8086:1f0b] (rev 03)
>lspci -nn
...
00:00.0 Host bridge [0600]: Intel Corporation Atom processor C2000 SoC Transaction Router [8086:1f0b] (rev 03)
00:01.0 PCI bridge [0604]: Intel Corporation Atom processor C2000 PCIe Root Port1 [8086:1f10] (rev 03)
00:02.0 PCI bridge [0604]: Intel Corporation Atom processor C2000 PCIe Root Port2 [8086:1f11] (rev 03)
00:02.0 PCI bridge [0604]: Intel Corporation Atom processor C2000 PCIe Root Port2 [8086:1f11] (rev 03)
00:03.0 PCI bridge [0604]: Intel Corporation Atom processor C2000 PCIe Root Port3 [8086:1f12] (rev 03)
00:04.0 PCI bridge [0604]: Intel Corporation Atom processor C2000 PCIe Root Port4 [8086:1f13] (rev 03)
...
00:04.0 PCI bridge [0604]: Intel Corporation Atom processor C2000 PCIe Root Port4 [8086:1f13] (rev 03)
...
Test steps:
1. Power on the device
2. Wait Linux system boot up to enter Linux shell
3. Input "dmesg" command to check messages generated during the boot up process
4. Input "reboot" command to reboot the device
Repeat Steps 2~4 for more than 24 hours
1. Power on the device
2. Wait Linux system boot up to enter Linux shell
3. Input "dmesg" command to check messages generated during the boot up process
4. Input "reboot" command to reboot the device
Repeat Steps 2~4 for more than 24 hours
Test result:
"PCIe Bus Error" message in Step 3
>dmesg
...
[ 19.481374] pcieport 0000:00:02.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0010(Requester ID)
[ 19.494511] pcieport 0000:00:02.0: device [8086:1f11] error status/mask=00004000/00400000
[ 19.503852] pcieport 0000:00:02.0: [14] Completion Timeout (First)
[ 19.511446] pcieport 0000:00:02.0: AER: Device recovery failed
[ 19.517967] pcieport 0000:00:02.0: AER: Uncorrected (Non-Fatal) error received: id=0010
[ 19.526920] pcieport 0000:00:02.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0010(Requester ID)
[ 19.540047] pcieport 0000:00:02.0: device [8086:1f11] error status/mask=00004000/00400000
[ 19.549387] pcieport 0000:00:02.0: [14] Completion Timeout (First)
[ 19.556979] pcieport 0000:00:02.0: AER: Device recovery failed
...
"PCIe Bus Error" message in Step 3
>dmesg
...
[ 19.481374] pcieport 0000:00:02.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0010(Requester ID)
[ 19.494511] pcieport 0000:00:02.0: device [8086:1f11] error status/mask=00004000/00400000
[ 19.503852] pcieport 0000:00:02.0: [14] Completion Timeout (First)
[ 19.511446] pcieport 0000:00:02.0: AER: Device recovery failed
[ 19.517967] pcieport 0000:00:02.0: AER: Uncorrected (Non-Fatal) error received: id=0010
[ 19.526920] pcieport 0000:00:02.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0010(Requester ID)
[ 19.540047] pcieport 0000:00:02.0: device [8086:1f11] error status/mask=00004000/00400000
[ 19.549387] pcieport 0000:00:02.0: [14] Completion Timeout (First)
[ 19.556979] pcieport 0000:00:02.0: AER: Device recovery failed
...
PCIe Root Port2 can not recover unless power off and power on again.
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1 Reply
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Hello, @BenjaminLee:
Thank you for contacting Intel Embedded Community.
We sent an email to the address related to your account with information that may help you.
Best regards,

Reply
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