--- title: "dmesg_wlan" slug: "dmesg-wlan" updated: 2025-05-23T15:55:43Z published: 2025-05-23T15:55:43Z canonical: "docs.zpesystems.com/dmesg-wlan" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.zpesystems.com/llms.txt > Use this file to discover all available pages before exploring further. # dmesg_wlan Reads the last 24 hours of dmesg, saving known failure situations related to the PCIE port in the database. If persistent, this check might indicate low-level problems with the wireless modem. ## Command Executed ```plaintext dmesg -T --since "24 hours ago" | grep -Ei "pcieport|config space inaccessible" ``` ## **I**ssue Identification 1. Navigate to *Tracking :: System :: System Check* and look for dmesg events. Summary Message: Possible problem in Wlan. 2. Drill down into the system check the entry on the System Check Summary Table or click **Last Check.** 3. Check for dmesg_wlan error count in the Command Table. ## Issue Types - pcieport - config space inaccessible ## Example Expected Output ```plaintext root@nodegrid:~# dmesg -T --since "24 hours ago" | grep -Ei "pcieport|config space inaccessible" ``` ## Example Errors Output ```plaintext root@nodegrid:~# dmesg -T --since "24 hours ago" | grep -Ei "pcieport|config space inaccessible" [108957.958808] pcieport 0000:00:03.0:    Error of this Agent(0018) is reported first [108957.958813] pcieport 0000:03:00.0:    PCIe Bus Error: severity=Corrected, type=Data Link Layer, id=0300(Transmitter ID) [108957.958816] pcieport 0000:03:00.0:    device [10b5:8747] error status/mask=00001000/0000e000 [108957.958819] pcieport 0000:03:00.0:    [12] Replay Timer Timeout ```