My new-this-year MS-02 crashed tonight, so I’m going through journalctl -b -1 -p warning -r and I see a bunch of this repeated over and over going back for days:

Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00200000/00000000
Oct 12 23:59:50 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Receiver ID)
Oct 12 23:59:49 proxmox-06 kernel: pcieport 0000:80:1b.4: AER:   TLP Header: 0x34000000 0x00000052 0x00000000 0x00000000
Oct 12 23:59:49 proxmox-06 kernel: pcieport 0000:80:1b.4:    [21] ACSViol                (First)
Oct 12 23:59:49 proxmox-06 kernel: pcieport 0000:80:1b.4:    [20] UnsupReq              
Oct 12 23:59:49 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00300000/00000000
Oct 12 23:59:49 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Requester ID)
Oct 12 23:59:49 proxmox-06 kernel: aer_ratelimit: 119 callbacks suppressed
Oct 12 23:59:49 proxmox-06 kernel: pcieport 0000:80:1b.4:    [15] HeaderOF              
Oct 12 23:59:49 proxmox-06 kernel: pcieport 0000:80:1b.4:   device [8086:7f44] error status/mask=00008000/00002000
Oct 12 23:59:49 proxmox-06 kernel: pcieport 0000:80:1b.4: PCIe Bus Error: severity=Correctable, type=Transaction Layer, (Receiver ID)
Oct 12 23:59:49 proxmox-06 kernel: aer_ratelimit: 119 callbacks suppressed

Does this mean one of the SSDs is failing already? I have 1 Crucial P310 4TB SSD for the main drive and another for backups.

=== START OF INFORMATION SECTION ===
Model Number:                       CT4000P310SSD8
Serial Number:                      25465454F087
Firmware Version:                   V8CR010
PCI Vendor/Subsystem ID:            0xc0a9
IEEE OUI Identifier:                0x00a075
Controller ID:                      0
NVMe Version:                       1.4
Number of Namespaces:               1
Namespace 1 Size/Capacity:          4,000,787,030,016 [4.00 TB]
Namespace 1 Formatted LBA Size:     512
Namespace 1 IEEE EUI-64:            00a075 015454f087
Local Time is:                      Tue Oct 13 00:30:43 2026 EDT
Firmware Updates (0x14):            2 Slots, no Reset required
Optional Admin Commands (0x0017):   Security Format Frmw_DL Self_Test
Optional NVM Commands (0x00d7):     Comp Wr_Unc DS_Mngmt Sav/Sel_Feat Timestmp Verify
Log Page Attributes (0x1e):         Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg Pers_Ev_Lg
Maximum Data Transfer Size:         64 Pages
Warning  Comp. Temp. Threshold:     86 Celsius
Critical Comp. Temp. Threshold:     88 Celsius
Namespace 1 Features (0x18):        No_ID_Reuse NP_Fields

Supported Power States
St Op     Max   Active     Idle   RL RT WL WT  Ent_Lat  Ex_Lat
 0 +     6.30W       -        -    0  0  0  0        0       0
 1 +     2.40W       -        -    1  1  1  1        0       0
 2 +     1.50W       -        -    2  2  2  2        0       0
 3 -   0.0300W       -        -    3  3  3  3     1500    5000
 4 -   0.0025W       -        -    4  4  4  4     5000   30000

Supported LBA Sizes (NSID 0x1)
Id Fmt  Data  Metadt  Rel_Perf
 0 +     512       0         0
 1 -    4096       0         0

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff)
Critical Warning:                   0x00
Temperature:                        41 Celsius
Available Spare:                    100%
Available Spare Threshold:          5%
Percentage Used:                    1%
Data Units Read:                    428,281,946 [219 TB]
Data Units Written:                 44,641,186 [22.8 TB]
Host Read Commands:                 15,033,643,064
Host Write Commands:                1,728,938,256
Controller Busy Time:               25,445
Power Cycles:                       24
Power On Hours:                     3,255
Unsafe Shutdowns:                   18
Media and Data Integrity Errors:    0
Error Information Log Entries:      0
Warning  Comp. Temperature Time:    0
Critical Comp. Temperature Time:    0
Temperature Sensor 1:               41 Celsius

Error Information (NVMe Log 0x01, 16 of 255 entries)
No Errors Logged

Self-test Log (NVMe Log 0x06, NSID 0xffffffff)
Self-test status: No self-test in progress
No Self-tests Logged
=== START OF INFORMATION SECTION ===
Model Number:                       CT4000P310SSD8
Serial Number:                      2545543AD7B7
Firmware Version:                   V8CR010
PCI Vendor/Subsystem ID:            0xc0a9
IEEE OUI Identifier:                0x00a075
Controller ID:                      0
NVMe Version:                       1.4
Number of Namespaces:               1
Namespace 1 Size/Capacity:          4,000,787,030,016 [4.00 TB]
Namespace 1 Formatted LBA Size:     512
Namespace 1 IEEE EUI-64:            00a075 01543ad7b7
Local Time is:                      Tue Oct 13 00:28:48 2026 EDT
Firmware Updates (0x14):            2 Slots, no Reset required
Optional Admin Commands (0x0017):   Security Format Frmw_DL Self_Test
Optional NVM Commands (0x00d7):     Comp Wr_Unc DS_Mngmt Sav/Sel_Feat Timestmp Verify
Log Page Attributes (0x1e):         Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg Pers_Ev_Lg
Maximum Data Transfer Size:         64 Pages
Warning  Comp. Temp. Threshold:     86 Celsius
Critical Comp. Temp. Threshold:     88 Celsius
Namespace 1 Features (0x18):        No_ID_Reuse NP_Fields

Supported Power States
St Op     Max   Active     Idle   RL RT WL WT  Ent_Lat  Ex_Lat
 0 +     6.30W       -        -    0  0  0  0        0       0
 1 +     2.40W       -        -    1  1  1  1        0       0
 2 +     1.50W       -        -    2  2  2  2        0       0
 3 -   0.0300W       -        -    3  3  3  3     1500    5000
 4 -   0.0025W       -        -    4  4  4  4     5000   30000

Supported LBA Sizes (NSID 0x1)
Id Fmt  Data  Metadt  Rel_Perf
 0 +     512       0         0
 1 -    4096       0         0

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff)
Critical Warning:                   0x00
Temperature:                        38 Celsius
Available Spare:                    100%
Available Spare Threshold:          5%
Percentage Used:                    6%
Data Units Read:                    2,161,355 [1.10 TB]
Data Units Written:                 154,163,444 [78.9 TB]
Host Read Commands:                 8,882,927
Host Write Commands:                610,221,348
Controller Busy Time:               2,682
Power Cycles:                       24
Power On Hours:                     3,278
Unsafe Shutdowns:                   18
Media and Data Integrity Errors:    0
Error Information Log Entries:      0
Warning  Comp. Temperature Time:    0
Critical Comp. Temperature Time:    0
Temperature Sensor 1:               38 Celsius

Error Information (NVMe Log 0x01, 16 of 255 entries)
No Errors Logged

Self-test Log (NVMe Log 0x06, NSID 0xffffffff)
Self-test status: No self-test in progress
No Self-tests Logged