I just tested the new version of qemu (7.2) on the PVEtest repository. This seems to fix the issue!
Thank you so much for the help! I'll mark this thread as solved!
In the mean time until the new release is out and we can test it we will be using NFS for the VM disks. Which runs without issues but with less performance. I'll keep an eye on any updates.
Thanks again!
Two more traces
Thread 3 "kvm" received signal SIGABRT, Aborted.
[Switching to Thread 0x7f86f9660700 (LWP 15397)]
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) t a a bt
Thread 6 (Thread...
I have just triggered the crash a few more times. I'll post the results below:
Thread 3 "kvm" received signal SIGABRT, Aborted.
[Switching to Thread 0x7f33c23ef700 (LWP 1491768)]
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No...
Aha that's weird.
The problem does happen over three seperate hosts though so I can't imagine it being a hardware issue. Unless all three of our hosts are bad (Dell R640's). Is there anywhere else I can look? I'll memtest one to be sure though!
I have installed libisci-bin and ran the debugger again. The following stacktrace was printed out after triggering the crash again:
GNU gdb (Debian 10.1-1.7) 10.1.90.20210103-git
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later...
I don't think the network would be the issue as the storage connection is just a flat network between the host and TrueNAS. It just goes over one switch.
I have tried disabling the link aggregation on the interfaces on both the NAS and Proxmox side but that hasn't fixed anything either
After some more investigating I've found that creating an IO load on the VM side while migrating a disk also causes the same crashing issue to happen.
I've found some logs that appear on the truenas side before the VM actually crashes.
[Wed Feb 15 13:51:46 2023] [6302]: iscsi-scst...
Hello!
In the past few weeks we've been setting up a Proxmox cluster to be able to host our applications.
From the start we've been experiencing some weird issues when backing up the VM's to an NFS target (Synology NAS)
Randomly during the backup (sometimes 0 or sometimes multiple) VM's seem...
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