Usually libvirt's log might provide hints (yet , no clues) of any issues. For example: /var/log/libvirt/qemu/<VM_NAME>.log
Anything changed recently (maybe oVirt version was increased) ? Best Regards, Strahil Nikolov В понеделник, 21 септември 2020 г., 23:28:13 Гринуич+3, Vinícius Ferrão <fer...@versatushpc.com.br> написа: Hi Strahil, Both disks are VirtIO-SCSI and are Preallocated: Thanks, > > On 21 Sep 2020, at 17:09, Strahil Nikolov <hunter86...@yahoo.com> wrote: > > > > What type of disks are you using ? Any change you use thin disks ? > > Best Regards, > Strahil Nikolov > > > > > > > В понеделник, 21 септември 2020 г., 07:20:23 Гринуич+3, Vinícius Ferrão via > Users <users@ovirt.org> написа: > > > > > > Hi, sorry to bump the thread. > > But I still with this issue on the VM. This crashes are still happening, and > I really don’t know what to do. Since there’s nothing on logs, except from > that message on `dmesg` of the host machine I started changing setting to see > if anything changes or if I at least I get a pattern. > > What I’ve tried: > 1. Disabled I/O Threading on VM. > 2. Increased I/O Threading to 2 form 1. > 3. Disabled Memory Balooning. > 4. Reduced VM resources form 10 CPU’s and 48GB of RAM to 6 CPU’s and 24GB of > RAM. > 5. Moved the VM to another host. > 6. Dedicated a host specific to this VM. > 7. Check on the storage system to see if there’s any resource starvation, but > everything seems to be fine. > 8. Checked both iSCSI switches to see if there’s something wrong with the > fabrics: 0 errors. > > I’m really running out of ideas. The VM was working normally and suddenly > this started. > > Thanks, > > PS: When I was typing this message it crashed again: > > [427483.126725] *** Guest State *** > [427483.127661] CR0: actual=0x0000000000050032, shadow=0x0000000000050032, > gh_mask=fffffffffffffff7 > [427483.128505] CR4: actual=0x0000000000002050, shadow=0x0000000000000000, > gh_mask=fffffffffffff871 > [427483.129342] CR3 = 0x00000001849ff002 > [427483.130177] RSP = 0xffffb10186ffffb0 RIP = 0x0000000000008000 > [427483.131014] RFLAGS=0x00000002 DR7 = 0x0000000000000400 > [427483.131859] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 > [427483.132708] CS: sel=0x9b00, attr=0x08093, limit=0xffffffff, > base=0x000000007ff9b000 > [427483.133559] DS: sel=0x0000, attr=0x08093, limit=0xffffffff, > base=0x0000000000000000 > [427483.134413] SS: sel=0x0000, attr=0x08093, limit=0xffffffff, > base=0x0000000000000000 > [427483.135237] ES: sel=0x0000, attr=0x08093, limit=0xffffffff, > base=0x0000000000000000 > [427483.136040] FS: sel=0x0000, attr=0x08093, limit=0xffffffff, > base=0x0000000000000000 > [427483.136842] GS: sel=0x0000, attr=0x08093, limit=0xffffffff, > base=0x0000000000000000 > [427483.137629] GDTR: limit=0x00000057, > base=0xffffb10186eb4fb0 > [427483.138409] LDTR: sel=0x0000, attr=0x10000, limit=0x000fffff, > base=0x0000000000000000 > [427483.139202] IDTR: limit=0x00000000, > base=0x0000000000000000 > [427483.139998] TR: sel=0x0040, attr=0x0008b, limit=0x00000067, > base=0xffffb10186eb3000 > [427483.140816] EFER = 0x0000000000000000 PAT = 0x0007010600070106 > [427483.141650] DebugCtl = 0x0000000000000000 DebugExceptions = > 0x0000000000000000 > [427483.142503] Interruptibility = 00000009 ActivityState = 00000000 > [427483.143353] *** Host State *** > [427483.144194] RIP = 0xffffffffc0c65024 RSP = 0xffff9253c0b9bc90 > [427483.145043] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 > [427483.145903] FSBase=00007fcc13816700 GSBase=ffff925adf240000 > TRBase=ffff925adf244000 > [427483.146766] GDTBase=ffff925adf24c000 IDTBase=ffffffffff528000 > [427483.147630] CR0=0000000080050033 CR3=00000010597b6000 CR4=00000000001627e0 > [427483.148498] Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff8f196cc0 > [427483.149365] EFER = 0x0000000000000d01 PAT = 0x0007050600070106 > [427483.150231] *** Control State *** > [427483.151077] PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=00000ceb > [427483.151942] EntryControls=0000d1ff ExitControls=002fefff > [427483.152800] ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 > [427483.153661] VMEntry: intr_info=00000000 errcode=00000006 ilen=00000000 > [427483.154521] VMExit: intr_info=00000000 errcode=00000000 ilen=00000004 > [427483.155376] reason=80000021 qualification=0000000000000000 > [427483.156230] IDTVectoring: info=00000000 errcode=00000000 > [427483.157068] TSC Offset = 0xfffccfc261506dd9 > [427483.157905] TPR Threshold = 0x0d > [427483.158728] EPT pointer = 0x00000009b437701e > [427483.159550] PLE Gap=00000080 Window=00080000 > [427483.160370] Virtual processor ID = 0x0004 > > > >> On 16 Sep 2020, at 17:11, Vinícius Ferrão <fer...@versatushpc.com.br> wrote: >> >> Hello, >> >> I’m an Exchange Server VM that’s going down to suspend without possibility >> of recovery. I need to click on shutdown and them power on. I can’t find >> anything useful on the logs, except on “dmesg” of the host: >> >> [47807.747606] *** Guest State *** >> [47807.747633] CR0: actual=0x0000000000050032, shadow=0x0000000000050032, >> gh_mask=fffffffffffffff7 >> [47807.747671] CR4: actual=0x0000000000002050, shadow=0x0000000000000000, >> gh_mask=fffffffffffff871 >> [47807.747721] CR3 = 0x00000000001ad002 >> [47807.747739] RSP = 0xffffc20904fa3770 RIP = 0x0000000000008000 >> [47807.747766] RFLAGS=0x00000002 DR7 = 0x0000000000000400 >> [47807.747792] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 >> [47807.747821] CS: sel=0x9100, attr=0x08093, limit=0xffffffff, >> base=0x000000007ff91000 >> [47807.747855] DS: sel=0x0000, attr=0x08093, limit=0xffffffff, >> base=0x0000000000000000 >> [47807.747889] SS: sel=0x0000, attr=0x08093, limit=0xffffffff, >> base=0x0000000000000000 >> [47807.747923] ES: sel=0x0000, attr=0x08093, limit=0xffffffff, >> base=0x0000000000000000 >> [47807.747957] FS: sel=0x0000, attr=0x08093, limit=0xffffffff, >> base=0x0000000000000000 >> [47807.747991] GS: sel=0x0000, attr=0x08093, limit=0xffffffff, >> base=0x0000000000000000 >> [47807.748025] GDTR: limit=0x00000057, >> base=0xffff80817e7d5fb0 >> [47807.748059] LDTR: sel=0x0000, attr=0x10000, limit=0x000fffff, >> base=0x0000000000000000 >> [47807.748093] IDTR: limit=0x00000000, >> base=0x0000000000000000 >> [47807.748128] TR: sel=0x0040, attr=0x0008b, limit=0x00000067, >> base=0xffff80817e7d4000 >> [47807.748162] EFER = 0x0000000000000000 PAT = 0x0007010600070106 >> [47807.748189] DebugCtl = 0x0000000000000000 DebugExceptions = >> 0x0000000000000000 >> [47807.748221] Interruptibility = 00000009 ActivityState = 00000000 >> [47807.748248] *** Host State *** >> [47807.748263] RIP = 0xffffffffc0c65024 RSP = 0xffff9252bda5fc90 >> [47807.748290] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 >> [47807.748318] FSBase=00007f46d462a700 GSBase=ffff9252ffac0000 >> TRBase=ffff9252ffac4000 >> [47807.748351] GDTBase=ffff9252ffacc000 IDTBase=ffffffffff528000 >> [47807.748377] CR0=0000000080050033 CR3=000000105ac8c000 CR4=00000000001627e0 >> [47807.748407] Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff8f196cc0 >> [47807.748435] EFER = 0x0000000000000d01 PAT = 0x0007050600070106 >> [47807.748461] *** Control State *** >> [47807.748478] PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=00000ceb >> [47807.748507] EntryControls=0000d1ff ExitControls=002fefff >> [47807.748531] ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 >> [47807.748561] VMEntry: intr_info=00000000 errcode=00000006 ilen=00000000 >> [47807.748589] VMExit: intr_info=00000000 errcode=00000000 ilen=00000001 >> [47807.748618] reason=80000021 qualification=0000000000000000 >> [47807.748645] IDTVectoring: info=00000000 errcode=00000000 >> [47807.748669] TSC Offset = 0xfffff9b8c8d943b6 >> [47807.748699] TPR Threshold = 0x00 >> [47807.748715] EPT pointer = 0x000000105cd5601e >> [47807.748735] PLE Gap=00000080 Window=00001000 >> [47807.748755] Virtual processor ID = 0x0003 >> >> So something really went crazy. The VM is going down at least two times a >> day for the last 5 days. >> >> At first I thought it would be an hardware issue, so I restarted the VM on >> other host, and the same thing happened. >> >> About the VM it’s configured with 10 CPUs, 48GB of RAM running oVirt 4.3.10 >> with iSCSI storage to a FreeNAS box, where the VM disks are running; there >> are a 300GB disc for C:\ and 2TB disk for D:\. >> >> Any ideia on how to start troubleshooting it? >> >> Thanks, >> >> > > _______________________________________________ > Users mailing list -- users@ovirt.org > To unsubscribe send an email to users-le...@ovirt.org > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/OIAIVV6I2MUVPVR4FBJQTZW5OL4MNS5Q/ > > > > _______________________________________________ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-le...@ovirt.org Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/CKTQPJHR4T7FEI5TAK4P3G2PVP44X6VJ/
