From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1444] DMAR error in kernel caused FlexRAN retarted
Date: Mon, 20 May 2024 03:09:17 +0000 [thread overview]
Message-ID: <bug-1444-3@http.bugs.dpdk.org/> (raw)
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https://bugs.dpdk.org/show_bug.cgi?id=1444
Bug ID: 1444
Summary: DMAR error in kernel caused FlexRAN retarted
Product: DPDK
Version: 22.11
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: juoren_wang@pegatroncorp.com
Target Milestone: ---
Hi sir,
Our gNB running FlexRAN on pod but sometimes will got DMAR error in kernel, it
will caused it stop and restartrd, we don't know what happened in DPDK? could
you please help/suggest the direction to check what is means for and probably
caused?
Test environment
1) OS : WRCP 22.12 patch4 (StarlingX Debian 5.10.177.1.stx.73)
2) DPDK : 22.11.6
2) NIC : Intel E823 (intel ice-d CPU built-in NIC)
3) NIC : Device id (pf/vf): 8086:188c / 8086:1889
4) Accelerator: Intel Acc100
5) Used Kernel driver and F/W version
Driver version: 1.10.1.2 (ice)
firmware-version: 3.26
--Syslog-----------------------------------------------------------------------
2024-03-14T15:10:59.004 controller-0 kernel: err [283403.137190] DMAR: [DMA
Read] Request device [89:01.2] PASID ffffffff fault addr 280103000 [fault
reason 06] PTE Read access is not set
2024-03-14T15:10:59.004 controller-0 kernel: err [283403.137199] DMAR: DRHD:
handling fault status reg 2
2024-03-14T15:10:59.004 controller-0 kernel: err [283403.137201] DMAR: [DMA
Read] Request device [89:01.2] PASID ffffffff fault addr 28010a000 [fault
reason 06] PTE Read access is not set
2024-03-14T15:10:59.004 controller-0 kernel: err [283403.137206] DMAR: DRHD:
handling fault status reg 3
2024-03-14T15:10:59.004 controller-0 kernel: info [283403.137206] ice
0000:89:00.0: 1 Tx Malicious Driver Detection events detected on PF 0 VF 2 MAC
00:02:01:1a:73:d1.
2024-03-14T15:10:59.004 controller-0 kernel: err [283403.137208] DMAR: [DMA
Read] Request device [89:01.2] PASID ffffffff fault addr 28010b000 [fault
reason 06] PTE Read access is not set
2024-03-14T15:10:59.004 controller-0 kernel: err [283403.137217] DMAR: DRHD:
handling fault status reg 3
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Thank you
Best Regards,
Juoren
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