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Ticket Resolution Summary Owner Reporter
#15140 fixed Cannot work with MTU sizes larger than 2 KB => Fixed in SVN JFMG
Description

I have the following setup:

  • Host OS: Windows 7.
  • Guest OS: CentOS Linux 7.
  • Bridged adapter:
    • Host NIC: Intel(R) 82579LM Gigabit Network Connection. This NIC has jumbo packets (9014 bytes) enabled in Windows.
    • Adapter type: any of the three Intel adapter types available.

I set the MTU size to 5000 bytes (using the corresponding "/etc/sysconfig/network-scripts/ifcfg-enp0sx" file) and I succeed ("ip a" command shows it).

Then I try to ping from the guest NIC to the host NIC or vice versa, I can do it with the default ping packet size or even with 2000 byte packet size (which I couldn't before setting the MTU size to 5000 bytes), but not with larger packet sizes. Of course, pinging with larger than 2 KB packets works when I do it between host LAN NICs.

I've tried with a Fedora image and I get the same results.

#18054 invalid Serial Port Mode TCP Client not working JImC
Description

The VM fails to start when using a Serial Port with Mode TCP Client. I have another VM running with a Serial Port in TCP Server mode and it works fine. I can telnet to the port and transmit characters. But the client side VM fails to start with the following message. I have attached the full VM log as well. I have used this functionality successfully in the past. I don't remember exactly when it broke, but I believe it was within the last few months. I have verified that this problem exists on MacOS and Windows. I suspect it is not platform dependent.

Failed to open a session for the virtual machine ISOSCELES PCA Pump seL4.

DrvTCP#0: The location misses the port to connect to (VERR_NOT_FOUND).

Result Code: NS_ERROR_FAILURE (0x80004005)
Component: ConsoleWrap
Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}
#11030 wontfix BLKCACHE_IOERR error pauses VM JJ
Description

BLKCACHE_IOERR observed and it paused the VM. Please check the log for details. The disk space is enough on both host OS (windows 7) and VM OS (Oracle Linux), please refer to the screenshot for "df -h" command.

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