Agilex™ 7 M-Series Known Issue List

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ID 851750
Date 9/29/2025
Public
Document Table of Contents
Document Table of Contents x
1. About This Document 2. Known Issue List for Devices 3. Arm* Cortex*-A53 MPCore and CoreSight* Errata 4. Agilex™ 7 M-Series User Guidelines 5. Document Revision History for the Agilex™ 7 M-Series Known Issue List
2. Known Issue List for Devices x
2.1. FPGA 2.2. EMIF 2.3. Configuration and Security 2.4. Fabric NoC 2.5. Device Power Supply, Core, I/O 2.6. HPS
2.1. FPGA x
2.1.1. F-Tile 2.1.2. R-Tile
2.1.1. F-Tile x
2.1.1.1. Requirement for F-Tile Devices which are Powered and Unconfigured 2.1.1.2. FGT PAM4 Compliance Support 2.1.1.3. FGT Transceivers Do Not Support Direct EXTEST JTAG Instruction in Boundary Scan Test 2.1.1.4. F-Tile: Unsuccessful TX Equalization 2.1.1.5. Link May Not Downgrade With Corrupt Lanes (F-Tile) 2.1.1.6. Occasional Equalization Timeout or PCIe Link Training Failure to Achieve Expected Link Speed during Link Disable, Hot Reset, and Speed Change 2.1.1.7. Link Fault Detection window of the F-Tile Ethernet Hard IP in 10GE-1 or 25GE-1 mode 2.1.1.8. FHT PMA Transmitter-to-Receiver Internal Serial Loopback operation for error-free BER results 2.1.1.9. F-Tile Ethernet Hard IP rst_tx_stats and rst_rx_stats register bits might not function correctly 2.1.1.10. F-Tile Ethernet Hard IP force_rf register bit might not function correctly 2.1.1.11. F-Tile Ethernet Hard IP tx_pause_request register bit might not function correctly 2.1.1.12. F-Tile Ethernet Hard IP PTP statistics might not clear correctly 2.1.1.13. F-Tile Ethernet Hard IP unable to achieve 100% throughput with some variants 2.1.1.14. F-Tile 400G Ethernet IP RX Priority Flow Control Issue 2.1.1.15. F-Tile Ethernet Hard IP Bidirectional Link Fault Signaling Issue 2.1.1.16. F-Tile SDI II IP and F-Tile PMA/FEC Direct PHY IP with “SDI” configuration rule are not of production quality 2.1.1.17. F-Tile HDMI IP and F-Tile PMA/FEC Direct PHY IP with 'HDMI' configuration rule are not of production quality 2.1.1.18. Ethernet Auto-Negotiation and Link Training (AN/LT) designs on F-Tile FGT may not link up when using Quartus Prime Pro Edition software version 25.1.1 and 25.3 2.1.1.19. IEEE 802.3-2022 50GBASE-KR compliance testing instability during Link Training (LT)
2.1.2. R-Tile x
2.1.2.1. Gen3/Gen4 link might be established without successfully performing Transmit Equalization (TX EQ) 2.1.2.2. Link may not downgrade with corrupt lanes 2.1.2.3. Malformed TLP incorrectly flagged as ECRC error 2.1.2.4. Assertion of PERST / warm reset during the Functional Level Reset results in PCIe* Link Failure 2.1.2.5. No Support for Page Request Services in Port 2 and Port 3 of 4x4 Configuration 2.1.2.6. Multiple Fatal Error Messages 2.1.2.7. PCIe* x4 cores may report Uncorrectable Fatal Error or Malformed TLP 2.1.2.8. Receiver Errors logged during back-to-back Secondary Bus Resets (SBR) operations when running at Gen 2 speed 2.1.2.9. Polling.Active time out during Link Disable-Enable loop tests 2.1.2.10. CXL 1.1 version does not support uncorrectable error reporting when receiving two LLCTRL-Init packet 2.1.2.11. R-tile might report Fatal Error in the Advance Error Reporting (AER) registers when using Address Translation Service (ATS)
2.2. EMIF x
2.2.1. DDR5 x32 + user bits through NoC is not supported 2.2.2. PhyMux EMIF lockstep pinout configurations Restrictions 2.2.3. GPIO-B blocked in mixed GPIO-B/EMIF use cases 2.2.4. DDR4 rDBI is not working 2.2.5. LPDDR5 and DDR5 reduced sequential write/read bandwidth when using Fabric Sync Fabric direct mode in x16 2-channel configuration 2.2.6. LPDDR5 and DDR5 maximum bandwidth for sequential short write is limited 2.2.7. LPDDR5 and DDR5 controller does not support non-aligned transactions
2.3. Configuration and Security x
2.3.1. AS Fast mode BootROM delay
2.4. Fabric NoC x
2.4.1. Lower than expected performance with Fabric NoC-enabled design
2.5. Device Power Supply, Core, I/O x
2.5.1. I/O PLL reference clock frequency and duty cycle specification update
2.6. HPS x
2.6.1. HPS EMAC RX Interface In Unresponsive State
3. Arm* Cortex*-A53 MPCore and CoreSight* Errata x
3.1. 843819: Memory Locations May be Accessed Speculatively Due to Instruction Fetches When HCR.VM is Set 3.2. 845719: A Load May Read Incorrect Data 3.3. 855871: ETM Does Not Report IDLE State When Disabled Using OSLOCK 3.4. 855872: A Store-Exclusive Instruction Might Pass When it Should Fail 3.5. 711668: Configuration Extension Register Has Wrong Value Status 3.6. 720107: Periodic Synchronization Can Be Delayed and Cause Overflow 3.7. 855873: An Eviction Might Overtake a Cache Clean Operation 3.8. 853172: ETM May Assert AFREADY Before All Data Has Been Output 3.9. 836870: Non-Allocating Reads May Prevent a Store Exclusive From Passing 3.10. 836919: Write of the JMCR in EL0 Does Not Generate an UNDEFINED Exception 3.11. 845819: Instruction Sequences Containing AES Instructions May Produce Incorrect Results 3.12. 851672: ETM May Trace an Incorrect Exception Address 3.13. 851871: ETM May Lose Counter Events While Entering WFx Mode 3.14. 852071: Direct Branch Instructions Executed Before a Trace Flush May be Output in an Atom Packet After Flush Acknowledgment 3.15. 852521: A64 Unconditional Branch May Jump to Incorrect Address 3.16. 855827: PMU Counter Values May Be Inaccurate When Monitoring Certain Events 3.17. 855829: Reads of PMEVCNTR<n> are not Masked by HDCR.HPMN 3.18. 855830: Loads of Mismatched Size May not be Single-Copy Atomic
4. Agilex™ 7 M-Series User Guidelines x
4.1. Power Estimation Guardband
1. About This Document
2. Known Issue List for Devices
3. Arm* Cortex*-A53 MPCore and CoreSight* Errata
4. Agilex™ 7 M-Series User Guidelines
5. Document Revision History for the Agilex™ 7 M-Series Known Issue List

2. Known Issue List for Devices

Table 2.  Device Issues
Issue Affected Devices (OPN) Planned Fix (OPN) Document Update Notification
FPGA
F-Tile
Requirement for F-Tile Devices which are Powered and Unconfigured

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
FGT PAM4 Compliance Support

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 Quartus® Prime Pro Edition software version 25.1.1 N/A N/A
FGT Transceivers Do Not Support Direct EXTEST JTAG Instruction in Boundary Scan Test

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
F-Tile: Unsuccessful TX Equalization

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
Link May Not Downgrade With Corrupt Lanes (F-Tile)

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
Occasional Equalization Timeout or PCIe Link Training Failure to Achieve Expected Link Speed during Link Disable, Hot Reset, and Speed Change

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
Link Fault Detection window of the F-Tile Ethernet Hard IP in 10GE-1 or 25GE-1 mode

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
FHT PMA Transmitter-to-Receiver Internal Serial Loopback operation for error-free BER results

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
F-Tile Ethernet Hard IP rst_tx_stats and rst_rx_stats register bits might not function correctly

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
F-Tile Ethernet Hard IP force_rf register bit might not function correctly

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
F-Tile Ethernet Hard IP tx_pause_request register bit might not function correctly

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
F-Tile Ethernet Hard IP PTP statistics might not clear correctly

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
F-Tile Ethernet Hard IP unable to achieve 100% throughput with some variants

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
F-Tile 400G Ethernet IP RX Priority Flow Control Issue

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 Future release of Quartus® Prime Pro Edition software N/A N/A
F-Tile Ethernet Hard IP Bidirectional Link Fault Signaling Issue

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 Quartus® Prime Pro Edition software version 25.1.1 N/A N/A
F-Tile SDI II IP and F-Tile PMA/FEC Direct PHY IP with “SDI” configuration rule are not of production quality

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 Future release of Quartus® Prime Pro Edition software N/A N/A
F-Tile HDMI IP and F-Tile PMA/FEC Direct PHY IP with "HDMI" configuration rule are not of production quality

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 Future release of Quartus® Prime Pro Edition software N/A N/A
Ethernet Auto-Negotiation and Link Training (AN/LT) designs on F-Tile FGT may not link up when using Quartus Prime Pro Edition software version 25.1.1 and 25.3

Agilex™ 7 M-Series production devices

AGMxxxxxxxxxxxx

 This issue is planned to be fixed in a future release of the Quartus® Prime Pro Edition software N/A N/A
IEEE 802.3-2022 50GBASE-KR compliance testing instability during Link Training (LT)

Agilex™ 7 M-Series production devices

AGMxxxxxxxxxxxx

 This issue is planned to be fixed in a future release of the Quartus® Prime Pro Edition software N/A N/A
R-Tile
Gen3/Gen4 link might be established without successfully performing Transmit Equalization (TX EQ)

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
Link may not downgrade with corrupt lanes

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
Malformed TLP incorrectly flagged as ECRC error

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
Assertion of PERST / warm reset during the Functional Level Reset results in PCIe Link Failure

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
No Support for Page Request Services in Port 2 and Port 3 of 4x4 Configuration

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
Multiple Fatal Error Messages

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
PCIe x4 cores may report Uncorrectable Fatal Error or Malformed TLP

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
Receiver Errors logged during back-to-back Secondary Bus Resets (SBR) operations when running at Gen 2 speed

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
Polling.Active time out during Link Disable-Enable loop tests

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
CXL 1.1 version does not support uncorrectable error reporting when receiving two LLCTRL-Init packet

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

 None N/A N/A
R-tile might report Fatal Error in the Advance Error Reporting (AER) registers when using Address Translation Service (ATS)

Agilex™ 7M-Series production devices

(AGMx0xxR47Axxxx)

 This issue is planned to be fixed in a future release of the Quartus® Prime Pro Edition software N/A N/A
EMIF
DDR5 x32 + user bits through NoC is not supported

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
PhyMux EMIF lockstep pinout configurations Restrictions

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
GPIO-B blocked in mixed GPIO-B/EMIF use cases

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
DDR4 rDBI is not working

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
LPDDR5 and DDR5 reduced sequential write/read bandwidth when using Fabric Sync Fabric direct mode in x16 2-channel configuration

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
LPDDR5 and DDR5 maximum bandwidth for sequential short write is limited

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
LPDDR5 and DDR5 controller does not support non-aligned transactions

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
Configuration and Security
AS Fast mode BootROM delay

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
Fabric NoC
Lower than expected performance with Fabric NoC-enabled design

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
Device Power Supply, Core, I/O
I/O PLL reference clock frequency and duty cycle specification update

Agilex™ 7 M-Series production devices

(AGMx0xxR47Axxxx)

(AGMx0xxR31Bxxxx)

(AGMx0xxR47Bxxxx)

 None N/A N/A
HPS
HPS EMAC RX Interface In Unresponsive State

Agilex™ 7 M-Series production devices

(AGM[B,E,F]0xxR47Axxxx)

(AGMB0xxR31Bxxxx)

(AGMF0xxR47Bxxxx)

 None N/A N/A

Section Content
FPGA
EMIF
Configuration and Security
Fabric NoC
Device Power Supply, Core, I/O
HPS

Level Two Title