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Virtual Machine on Security Gateway VE Network Mode might crash and enter a reboot loop
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Technical Level
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Solution ID |
sk105382 |
Technical Level |
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Product |
Quantum Security Gateways, CloudGuard Network |
Version |
R77.20, R77.30 (EOL), R80.10 (EOL), R80.20, R80.30, R80.40, R81 |
OS |
Gaia |
Platform / Model |
VMWare ESX |
Date Created |
30-Mar-2015
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Last Modified |
25-Mar-2021
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Symptoms
Virtual Machine on Security Gateway VE Network Mode might crash and enter a reboot loop.
The following is seen on the console during boot loop, and in /var/log/boot.log file, when booting Virtual Machine in "Maintenance mode":
... ... ...
Configuring Interfaces: divide error: 0000 [1] SMP
last sysfs file: /class/net/eth0/vrf
Entering kdb (current=0x..., pid N) on processor 0 Oops: <NULL>
due to oops @ 0x...
... ... ...
divide error: 0000 [1] SMP
last sysfs file: /class/net/eth0/vrf
Stack traceback for pid N
0x... N ...
rsp rip Function (args)
0x... 0x... [vmxnet3]vmxnet3_set_ringparam+0x... (unknown, unknown)
bb_actual_rollback: no bb_exit_state, cannot rollback
Using old style backtrace, unreliable with no arguments
rsp rip Function (args)
0x... 0x... [vmxnet3]vmxnet3_set_ringparam+0x...
0x... 0x... dev_ethtool+0x...
0x... 0x... avc_has_perm+0x...
0x... 0x... dev_ioctl+0x...
0x... 0x... inode_has_perm+0x...
0x... 0x... sock_ioctl+0x...
0x... 0x... do_ioctl+0x...
0x... 0x... vfs_ioctl+0x...
0x... 0x... sys_ioctl+0x...
0x... 0x... ethtool_ioctl+0x...
0x... 0x... compat_sys_ioctl+0x...
wdt stop function not defined
Deleting all interfaces in a Virtual Machine resolves the issue. However, this issue may reoccur randomly, for instance, after changing the number of CPU cores in the Virtual Machine, or after installing a policy on the Security Gateway VE.
Cause
The Rx / Tx ring size that was configured on interfaces is not supported on Security Gateway VE as described in sk101209 - R77.20 Known Limitations:
Limitation 01481843 - TX/RX ringsize configuration via Gaia OS is not supported.
Solution
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