Bug Fixes History

3.12.2002

3678870

TACACS+

Enabling logging of system changes to a TACACS+ server may cause account daemon to fail.

4037679

MADs

In some cases where incorrect MAD handling causes the switch to become unresponsive to the SM, a switch reset is required.

4146212

Credits, Data Path, Fatal Cause

Inaccurate credits configurations in switch data path which, in rare cases, can lead to unexpected behavior or performance degradation.

4129741

SHARP

In rare cases, when a SHARP job is stopped while ANDR operations were in use, the next job may fail and require switch reboot.

4038484

Certificates

Specific certificates have an incorrect expiration date displayed.

3605188

Port Status, QM9700

When using an FR4-coherent optical module while running a split-unsplit flow, occasionally the port may not raise a link.

3782281

Optical Module, Split, QM9700

When performing a partial split (where only one port in a cage is split) on an optical module, port may not link up.

4035403

SHIELDv2, pFRN

In cases of repeating flapping links, the pFRN recovery mechanism might not be triggered.

3.12.1002

3896515

NTP

NTP settings are configured but not applied after running configuration switch-to.

3924542

SHARPv3

On rare occasions, SHARP job failure with trap 135 may be experienced as a result of previous jobs that have failed or stopped.

3811793

Transceiver

Failure to read transceiver module information (due to bad module) may cause multiple errors and the switch may slow its response.

3977077

Transceiver

A flap on one port of an NDR transceiver may cause the twin port on the same transceiver to also flap.

3813780

Transceiver, Link Up

Following a module reset, link up may take up to 70 seconds.

3892669

WebUI

An issue with the web server allowed an authentication bypass, granting partial access to the switch for specific URI requests.

3969193

WebUI

QM9700 systems, when performing partial split port on one port in a cage, the WebUI front panel ports illustration may reflect the logical position incorrectly.

3.11.4002

3824931

3843040

Check

Illegal packets of a permissive LID (0xFFFF) and VL other than 15 were incorrectly configured to destined for port 0 and be proceeded by the switch firmware, which lead to overloading of the switch firmware.

3787684

OpenSM

Customers using OpenSM on the switch may encounter switch OpenSM malfunctions.

3864399

pFRN

Sending pFRN packets to ports that were connected to themselves (loop), caused the switch hanged due to semaphore lock mismatch.

3715407

Cables, Timeout, QM9700

Because of a race condition in cable information interfaces, the cable read information may fail.

3860421

Data Path, Buffer, QM9700

Incorrect buffer configuration for trap and mirror packets may cause the switch data path to become stuck, potentially resulting in buffer overrun and internal credit leakage.

3724050

Debug, QM9700

While debugging, the PRBS register could not be properly disabled which caused the port to be stuck in debug mode.

3700332

Credit Packet, QM9700

Improve buffer utilization by fixing the ratio of transmitted data and credit packets on the link.

3657798

Management Port Split, QM9700

During the transition from 2x split to 4x split port configuration, the procedure for clearing routing logic for management ports was incorrect.

3707400

SHARP, Buffer, QM9700

In cases where buffer is overutilized, failure to allocate a buffer for the SHARP TX retry buffer may lead to buffer oversubscription.

3608820

SHARP, QM8700

On rare occasions, following an event of port link down, the SHARP resources cleanup may fail.

3858877

TACACS+, QM8700

Enabling logging of system changes to a TACACS+ server may cause account daemon to crash.

3591193

3591151

3591197

PLL Bandwidth, QM8700

Adjusted the PLL bandwidth to accommodate certain deviations in the switch link margins for improved resilience against temperature variations.

3.11.3006

3787192

OpenSM

Customers running OpenSM from the switch may encounter issues where the switch stops functioning properly due to a memory leak in OpenSM.

3793705

Director System, Optical Cables

Director system may became slow when it is has 800 optical cables connected.

3.11.3002

3671899

IP Filter

Whitelisted LDAP TLS port as part of the default firewall rules.

3733440

Parsing

Fixed out of range parsing of port split on NDR systems.

3.11.2016

3718528

SHARP

In Quantum-2 switch systems, the SHARP job fails occasionally while it is running and an error event triggers a firmware dump.

3718514

Packet Drops

Packets sent to port0 might be dropped due to heavy load, causing MADs timeouts in SM.

3718516

Switch management

In rare scenarios, the user might experience OS slowness due to periodic reading of cable information and MCIA reading error in the switch logs.

3.11.2006

3626729

Buffers / Performance

Fixed credit management of shared buffer scheme that effected the overall bandwidth performance of the switch.

3.11.2004

3650326

PSPA PRM Reg / Port Status

On a switch with FR4 optical module, running split-unsplit flow or enabling L3 routing may occasionally cause the port not to raise a link.

3468977

IP Filter

Occasionally, some packets could pass the default IP filter rules, skipping some of them.

3575881

Upgrade

When updating the QM9700 OS to version 3.11.1004, an intallation wizard will appear in CLI on initial boot.

3605465

Reboot

In some cases, the reboot process may be interrupted and fail.

3599629

JSON

Show health-report can’t be parsed by json-print.

3538336

HDR Systems

One-time trace during leaf insertion may cause system degradation but no impact on functionality.

3540874

HDR Systems

One-time trace during spine insertion may cause system degradation but no impact on functionality.

3571023

SSH

SSH-RSA causes weak cipher.

3.11.1014

This Release includes only FW bug fixes.

35926593585886

MVCR, Switch

Qantum-2 unmanaged switch may freeze while sending MVCR.

358904435877033573164

i2c, Switch

Rare issue that triggers the i2c to module connection to lock and causes the Quantum-2 switch to freeze.

3548254

Cables, link up

FR4 MMS4X50-NM cable link-up failure after a disconnect or AC cycle.

3570478

SNR

Fixed SNR value calculation for correct readings from the MMA4Z00 optical cable module.

3311198

Bandwidth

Disabled "low priority credits" feature on the switch side that caused the credits mechanism to overload the links with credit packets, reducing the available bandwidth for transmitting data packets on the link.

3.11.1004

3554182

Cables, link up

Link does not raise with 2nd source transvers MMS4X00-NS.

3478996

JSON

After overflooding the system with JSON requests (more than 1 million requests), system may not respond to other JSON queries.

3538638

Link Diagnostics

The message in the "show interfaces ib link-diagnostics" command output was incorrect.

3509247

Management Interfaces, IPv6

The IPv6 route command was fixed for InfiniBand switches.

3509292

Management Interface, ZTP, SLAAC

SLAAC does not work well with ZTP.

3533738

Transceiver Diagnostics

For show interfaces transceiver command, Tx bias current shows N/A on some cables.

3464879

Upgrade

Upgrading LTS versions 3.10.4202 and 3.10.4300 to a 3.10.50xx and 3.10.60xx versions does not work well. The fix enables upgrade from LTS version to GA versions 3.11.10xx.

3538638

NDR Switch, Link Diagnostics

The message in the "show interfaces ib link-diagnostics" command output was incorrect.

3451519

ibdiagnet, Module Temperature Alarm Type

When using ibdiagnet, an incorrect module alarm type was reported.

3448282

HDR Switch, BER

On HDR switches, at times, the link gets stuck due to unresponsive peer having very high BER.

3447029

HDR Switches, Port, Reboot, BER

On HDR switches, on some occasions, if a peer's port resets or is physically toggled, the port may be reported as unhealthy due to BER threshold crossing.

3407038

I2C

An unresponsive PSU client can cause the SDA I2C line to hang.

3499997

NDR Switch, SHARP

In some cases, the combination of SHARP SAT traffic and SHARP MADs can cause the switch to get stuck.

3.10.6004

3434543

LDAP SSL

LDAP SSL option (ldap ssl mode ssl) is missing from the CLI.

For more information see ldap sll command in "User Management and Security Commands" section in the user manual.

3354452

NDR Router, Multi-SWID

In QM9700 systems, in multi-SWID profile, the following CLI command "no sma port <subnet number> shutdown" will not work properly.

3355335

NDR Router, Multi-SWID

For QM9700 systems, on multi-SWID profile, when configuring through an external openSM a subnet-prefix with the value "0xfec0000000000000", the subnet state shown in CLI may appear as down instead of UP.

3335057

Port LED, Optic Cables

In QM9700 systems, when a transceiver module is plugged in when only one of the optic cables is connected (while the second cable is disconnected), the port LED may be incorrectly displayed on the disconnected side.

2824249

Installation, Firmware

After a firmware update failure, the bad image was not erased.

3283303/ 3298590

Link Maintenance

In the rare event of an error burst, the link maintenance stopped working.

3339363

pFRN

pFRN notification state machine got halted in busy-wait on all riscs due to inability to free TX credits.

3342918

Port Link Up, Port Toggling, Optical Modules

On rare occasions, the port might get stuck (in all speeds) during the link up flow when using optical modules.

3336788

SHARP

When operating in dynamic trees allocation mode, MAD error responses might be received in libsharp.

3436317

SHARP

In HDR systems, on rare occasions, when a SHARP QP exceeds the allowed amount of retries, the switch may hang due to an incorrect flow execution.

3389432

SM, Timeout, Flint, Failure

In QM9700 systems, the flint burning firmware process might take longer than expected, possibly leading to timeouts in SM and logical links drops by the SM, which, in turn, may lead to failure of the flint burn command.

3362200

Turbo Path

In rare cases that involve stress of traffic, unexpected hardware fast path behavior may occur, possibly leading to the switch firmware hanging when toggling the ports.

3.10.5002

3362685

Port LED, Optic Cables

In QM9700 systems, when a transceiver module is plugged in when only one of the optic cables is connected (while the second cable is disconnected), the port LED may be incorrectly displayed on the disconnected side.

3377608

sharp_am, libsharp

When operating in dynamic trees allocation mode, MAD error responses might be received in libsharp.

3362200

Turbo Path

In rare cases that involve stress of traffic, unexpected hardware fast path behavior may occur, possibly leading to the switch firmware hanging when toggling the ports.

3.10.5000

3264093

CS7500, BER

On CS7500 systems, in cases of high error rate on one of ports connected, the firmware may hang, causing the module to go into fatal mode.

3301825

Counters

The firmware does not return values for the counters "PortSwLifetimeLimitDiscards" and "PortSwHOQLifetimeLimitDiscards". Support has now been added for the counters.

3230314

Health Notification

For 1U systems, in cases where the MGMT module becomes fatal, a health alert is not sent properly.

3291564

Logging

The following log is printed once per minute (instead of not printing at all):

“bind(23) AF_INET6 ::1#123 flags 0×5 failed: Cannot assign requested address”

3335002

PFRN

pFRN mirror v1 header pad count showed an invalid padding size.

3261861

Quantum, Quantum-2, HDR-to-NDR

Connecting an HDR device to an NDR device with Optical cables longer than 30m causes degradation in the bandwidth.

2974424

Quantum-2, Cables, Polarity Inversion

Currently, there is no link up when connecting to Quantum-2 systems with cables that perform polarity inversion.

3332824

Quantum-2, LED

On QM9700, when any fan is plugged out, the front panel fan status LED remains green instead of turning amber.

3331691

Quantum-2, LED

On QM9700, when FAN7 is plugged out, the rear panel FAN7 status LED remains green instead turning amber.

3335044

Quantum-2, Ports, Display

On QM9700, on the WebUI "Ports" page, the port cages that are located on the bottom row of front panel had an incorrect visual display for sub-ports 1 and 2.

3143685

Quantum-2, Transceiver

The switch does not return SN or PN when trying to call via mlxlink or ibdiagnet.

3438507

SHARP

On rare occasions, on switches with SHARP configuration, the ASIC may hang due to an incorrect flow execution.

3.10.4202

3364526

Boot, I²C

On are occasion, a race condition occurred in the platform driver that causes I²C bus initialization failure during system boot.

3264093

CS7500, BER

On CS7500 systems, in cases of high error rate on one of ports connected, the firmware may hang, causing the module to go into fatal mode.

3375327

CS8500, LID

On CS8500 systems, when changing locally attached device, a bad LID may be reported.

3261861

HDR-to-NDR

Connecting an HDR device to an NDR device with Optical cables longer than 30m causes degradation in the bandwidth.

3315167

NTP, Logging

When NTP is configured, the following print may appear to the log every minute:

ntpd5510: bind(23) AF_INET6 ::1#123 flags 0×5 failed: Cannot assign requested address

3364639

Quantum, Quantum-2, pFRN

When pFRN is configured, on very rare occasions, when more than nine ports go down at once, the ASIC may not respond and may not run traffic properly.

3372998

Quantum-2, sharp_am, libsharp

MAD error responses might be received in libsharp when operating in dynamic trees allocation mode.

3232534

Switch-IB 2, Link, Port

On some occasions, when shutting down a port, the link can take a few additional seconds to close the port.

3335044

Web UI, QM9700, Ports

On QM9700, on the WebUI "Ports" page, the port cages that are located on the bottom row of front panel had an incorrect visual display for sub-ports 1 and 2.

3.10.4100

3236568

Cables, CMIS

The CMIS cables lengths were rounded. Improved accuracy of CMIS cables length to display exact cable length.

3284414

EULA

On WebUI and CLI, the EULA document did not appear properly.

3261861

HDR-to-NDR

Connecting an HDR device to an NDR device with Optical cables longer than 30m causes degradation in the bandwidth.

3283539

Power Supply, Fan

When power supply cable is removed and inserted again, the fan speed sometimes did not set properly on the power supply fan.

3269531

Quantum, MSPS

On Quantum switches, after multiple MSPS (Management System Power Supply register) calls, the switch gets stuck.

3441229

Quantum, SHARP

On rare occasions, on switches with SHARP configuration, the ASIC may hang due to an incorrect flow execution.

3199650

Quantum, Quantum-2, SHARP

A physical link failure between switches while a SHARP job is running and utilizing the link can cause one of the switches to become invalid for further SHARP jobs. This can result in either a "No resource" response for new SHARP job requests or in jobs getting stuck.

The bug fix requires SHARP version 3.2.

3267152

Quantum-2, BER COLLECT

On NDR devices, when collecting BER data, the peer falls, causing the switch to hang.

3253800

Switch-IB 2, CPLD

SB78xx systems show a boot error message when hw-mgmt tried to read the CPLD version, even though correct CPLD versions were reported for CPLD1 and CPLD2.

3.10.4006

3223270

CS8500, LIDR

On CS8500 systems spine modules, in some cases, timeout on applications that send LIDR MAD packets (such as smpquery) may occur.

3173334

Management Interfaces

On systems that include two management interfaces, when connecting mgmt1, ping may not be available for mgmt0.

3254801

Quantum, QM8700, Chassis Management

On QM8700 systems with version 3.10.3100, some of the voltage sensors may indicate wrong values which could result in a false health alert and an incorrect CLI output.

3245821

Quantum, Quantum-2, PFRN

In case of an AR group table set request, the ARN mask is flushed for group that has an active pFRN timer.

3242209

Quantum, Quantum-2, PFRN

Set PFRN mad did not return error on wrong inputs in mask_clear_timer and mask_force_clear_timer fields.

3253717

Quantum, Quantum-2, pFRN

mask_force_clear_timeout timer in pFRN feature was not functional (the mask was not cleared when the timer expired).

3.10.3100

3172779

ACL, IPv6

The ACLD may crash when ACL with log action captures an IPv6 frame with a very large number of nested headers (total header length larger then 512B). Unexpected system behavior may occur due to the crash.

3172851

JSON API Authentication

In version 3.10.300x, JSON API authentication fails when posting to

/admin/launch?script=rh&template=json-request&action=json-login.

3190552

Secure Upgrade

On QM9700 systems, a secure upgrade from 3.10.300x to a higher version depends on an updated system date. If the date is not in the range of September 1, 2021 to June 1, 2036, the upgrade will not work.

3135787

Sysdump

On rare occasions, during the snapshot creation, sysdump was not automatically generated.

3.10.3002

3096687

CS85xx, CS75xx, Subnet Manager

During a standby switch management failure, the spine of the switch may be incorrectly configured, possibly causing it to have the same LID as another spine.

2878837

InfiniBand Interface, Ports

If the end subport is not specified, the current behavior of "interface ib <start_port-<end_port> " will change to include all subports of the end port in the command (e.g., interface ib 1/1-1/3 shutdown will shut down ports 1/1,1/2,1/3 or, in case of split, 1/1,1/2,1/3/1,1/3/2).

3085287

Password Hardening

On some occasions, after setting a password for new user, an internal error in password hardening may appear.

2998597

Quantum, Performance

In Quantum systems, bandwidth degradation may be visible in large scale random traffic patterns (e.g., all2all and Adaptive Routing) due to wrong fast path configurations.

2974424

Quantum-2, Cables, Polarity Inversion

Currently, there is no link up when connecting to Quantum-2 systems with cables that perform polarity inversion.

3082569

Quantum-2, Counters

In some traffic patterns involving small packets, the PortRcvErrors counter may mistakenly count events of local physical errors due to an internal flow in the hardware that involves link packets.

3085427

Quantum-2, SHARPv3

On rare occasions, SHARP semaphore may remain locked on a port following an event of a port link down or an application crash.

3011581

Quantum-2, SHARPv3

On rare occasions, job failures with SharpError trap may be experienced as a result of previous jobs that have failed.

3127727

Quantum-2, Switch Hang, Fast Path, Split

On rare occasion, on Quantum-2 systems, when egress port is split to two, the egress port may get stuck due to wrong Fast Path configuration.

3129809

WebUI

The default certificates (rather than customer-loaded certificates) were used upon conducting a reload.

3.10.2202

3000602

Cables

After disconnecting MMS4X00-NL* cable and connecting Ultron cable to the same port, the port fails to link up.

3060122

SHARPv3

In the event of link fault of a link between root switch and non-root switch during the run of a job, the next job run on the non-root switch may fail.

3077375

Upgrade, IP Filter

When upgrading to 3.10.20xx with existing IP filter configuration, the upgrade will fail and there will be a rollback to the older software version.

3.10.2102

3040232

PLFT, SMA

PLFT mapping for SMA port (port 0) was configured in a way that caused PLFT of FDB 0 to be used instead of PLFT of FDB 1.

2859363

Quantum-2, Auto-Negotiation

When using Quantum-2 systems in Auto-Neg mode, NDR speed in one lane (1x) is not supported.

3033131

Qunatum-2, SHARPv3

The number of flows changed from 2 to 1, as intended.

3003011

Memory

A memory leak in the master module caused it to stall, causing the standby module to take over and become master.

3.10.2000

2950888

Certification

When whitespaces appeared in the "flag" certificate, caused certificate parsing failure.

2963304

Email Notifications

White spaces in the "flag" certificate caused certificate parsing failure.

2918315

OpenSM

Tools that require MAD RMPP protocol (such as saquery and ibqueryerrors) fail with "Connection timed out" error due to an SDK bug that prevented RMPP SM responses from being caught.

2982113

SHARPv3

On rare occasions, job resource cleanup may fail.

2972388

SHARPv3

Running of concurrent jobs may lead to states where jobs unexpectedly terminate or get stuck.

2971339

SHARPv3

Users may experience performance degradation on high load scenarios,

3004309

SSH

Applying "ssh server listen interface [interface name]" caused improper SSHD configuration, preventing the establishment of a new SSH session. Sessions established before mentioned configuration remained.

3.10.1214

2910161

Quantum-2, Auto-Negotiation, Copper Cables

In auto-negotiation flow, using copper cables when toggling both port's sides may cause the port to get stuck on rare occasions.

2849215

Quantum-2, Cables

On Quantum-2 switches, when working with MFA7U10-H0xx cables, if one of the ports in a cage is disabled at the time of initialization by user configuration, reenabling the port will require toggling the link (i.e., enable → disable → enable).

2885798

Quantum-2, Copper Cables

In Quantum-2 systems, effective errors may occur with short Copper cable MCP4Y10-N00B.

2890632

Quantum-2, Optical Modules

Currently, on Quantum-2 systems, changing the Optical module rate is not allowed.

2933388

Quantum, CS8500, Speeds

In CS8500 platform, the system may get stuck when trying to raise a link in an unsupported speed when using Optical cables.

2709851

SM Traps

In some cases, traps that were sent when there is a change in link state may not be sent to SM due to wrong logic of the link state machine in the firmware.

3.10.1202

2833052

Password

Changing the user password and then proceeding SSH login with the new password affects configurations. When running "show configuration files", the "unsaved changes" field is reflected as "yes" (instead of "no").

3.10.1110

2863063

Quantum-2, Split

Split is currently not supported in Quantum-2 systems.

2798848

Quantum-2, Tx

In Quantum-2 systems, changing the SerDes Tx set values is not operational.

3.10.1000/1016

2798556

BER

Modified the Effective BER calculation method. Due to this, the value of the Effective BER will be slightly higher, however the link quality remains the same as prior to this change.

Note: There is no change in the Symbol BER, it is the same as prior to this change.

2803887

Logging

Updated format of port state change event print to log to include severity.

2836940

Quantum-2, InfiniBand Data Packet

InfiniBand traffic is not passing with operational vl 1 configured on switch interfaces.

2837883

Quantum-2, Link Up

Using Quantum-2 systems with copper cables and toggling all ports frequently, on rare occasions, may cause a port may get stuck and no longer link up.

2853051

Recovery

For CS8500 systems, when spine at slot 1 gets into error state, errors may occur during recovery flow.