Hello Holger Possible, i see the error in the syslog: > Feb 15 12:37:56 kernel: [ 1.153027] Intel(R) Wireless WiFi driver for Linux > Feb 15 12:37:56 kernel: [ 1.153942] iwlwifi 0000:3b:00.0: firmware: failed to load iwlwifi-7260-17.ucode (-2) > Feb 15 12:37:56 kernel: [ 1.154394] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware > Feb 15 12:37:56 kernel: [ 1.155786] iwlwifi 0000:3b:00.0: Direct firmware load for iwlwifi-7260-17.ucode failed with error -2 > Feb 15 12:37:56 kernel: [ 1.156779] iwlwifi 0000:3b:00.0: iwlwifi-7260-17 is required > Feb 15 12:37:56 kernel: [ 1.157246] iwlwifi 0000:3b:00.0: check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git > Feb 15 12:37:56 kernel: [ 1.158384] stack segment: 0000 [#1] PREEMPT SMP PTI > Feb 15 12:37:56 kernel: [ 1.158941] CPU: 6 PID: 108 Comm: kworker/6:1 Not tainted 5.16.0-1-amd64 #1 Debian 5.16.7-2 > Feb 15 12:37:56 kernel: [ 1.159433] Hardware name: ASUSTeK COMPUTER INC. N501JW/N501JW, BIOS N501JW.212 04/16/2019 > Feb 15 12:37:56 kernel: [ 1.159931] Workqueue: events request_firmware_work_func > Feb 15 12:37:56 kernel: [ 1.160440] RIP: 0010:kfree+0x66/0x270 > Feb 15 12:37:56 kernel: [ 1.160939] Code: 80 4c 01 e5 0f 82 1d 02 00 00 48 c7 c0 00 00 00 80 48 2b 05 bc d5 ef 00 48 01 c5 48 c1 ed 0c 48 c1 e5 06 48 03 2d 9a d5 ef 00 <48> 8b 45 08 48 8d 50 ff > a8 01 48 0f 45 ea 48 8b 55 08 48 8d 42 ff > Feb 15 12:37:56 kernel: [ 1.162446] RSP: 0018:ffffa98840b27cb8 EFLAGS: 00010207 > Feb 15 12:37:56 kernel: [ 1.162821] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00 > Feb 15 12:37:56 kernel: [ 1.162987] RAX: 000067c580000000 RBX: ffff983b060421c8 RCX: 0000000000298006 > Feb 15 12:37:56 kernel: [ 1.163545] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.16 > Feb 15 12:37:56 kernel: [ 1.164070] RDX: 0000000000000000 RSI: ffffffffc06b0056 RDI: 36415f5f0004000f > Feb 15 12:37:56 kernel: [ 1.164599] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 > Feb 15 12:37:56 kernel: [ 1.165147] RBP: 00d8f9b3d4001000 R08: ffffffffaaa57580 R09: ffffa98840b27bf0 > Feb 15 12:37:56 kernel: [ 1.165680] usb usb4: Product: EHCI Host Controller > Feb 15 12:37:56 kernel: [ 1.166235] R10: ffff983b00e3a000 R11: 0000000000000000 R12: 36415f5f0004000f > Feb 15 12:37:56 kernel: [ 1.166790] usb usb4: Manufacturer: Linux 5.16.0-1-amd64 ehci_hcd > Feb 15 12:37:56 kernel: [ 1.167352] R13: ffff983e6efb6900 R14: 0000000000000000 R15: ffff983b06042000 > Feb 15 12:37:56 kernel: [ 1.167354] FS: 0000000000000000(0000) GS:ffff983e6ef80000(0000) knlGS:0000000000000000 > Feb 15 12:37:56 kernel: [ 1.167925] usb usb4: SerialNumber: 0000:00:1d.0 > Feb 15 12:37:56 kernel: [ 1.168494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > Feb 15 12:37:56 kernel: [ 1.169148] hub 4-0:1.0: USB hub found > Feb 15 12:37:56 kernel: [ 1.169618] CR2: 00007f44e94bd899 CR3: 0000000105a50006 CR4: 00000000001706e0 > Feb 15 12:37:56 kernel: [ 1.170182] hub 4-0:1.0: 2 ports detected > Feb 15 12:37:56 kernel: [ 1.170726] Call Trace: > Feb 15 12:37:56 kernel: [ 1.172401] <TASK> > Feb 15 12:37:56 kernel: [ 1.172944] iwl_dealloc_ucode+0x36/0x110 [iwlwifi] > Feb 15 12:37:56 kernel: [ 1.173500] iwl_req_fw_callback+0x2b9/0x2300 [iwlwifi] > Feb 15 12:37:56 kernel: [ 1.174049] ? vprintk_emit+0xc1/0x250 > Feb 15 12:37:56 kernel: [ 1.174581] ? _request_firmware+0x23a/0x630 > Feb 15 12:37:56 kernel: [ 1.175103] ? kfree+0x20d/0x270 > Feb 15 12:37:56 kernel: [ 1.175606] ? _request_firmware+0x23a/0x630 > Feb 15 12:37:56 kernel: [ 1.176099] request_firmware_work_func+0x4d/0x90 > Feb 15 12:37:56 kernel: [ 1.176589] process_one_work+0x1e8/0x3c0 > Feb 15 12:37:56 kernel: [ 1.177070] worker_thread+0x50/0x3b0 > Feb 15 12:37:56 kernel: [ 1.177538] ? rescuer_thread+0x370/0x370 > Feb 15 12:37:56 kernel: [ 1.178000] kthread+0x16b/0x190 > Feb 15 12:37:56 kernel: [ 1.178454] ? set_kthread_struct+0x40/0x40 > Feb 15 12:37:56 kernel: [ 1.178900] ret_from_fork+0x22/0x30 > Feb 15 12:37:56 kernel: [ 1.179334] </TASK> > Feb 15 12:37:56 kernel: [ 1.179758] Modules linked in: iwlwifi cfg80211 rtsx_pci_sdmmc xhci_pci mmc_core xhci_hcd ehci_pci ehci_hcd usbcore crc32_pclmul rtsx_pci rfkill usb_common wmi battery > video > Feb 15 12:37:56 kernel: [ 1.180656] ---[ end trace c0f2959d9b734fbb ]--- > Feb 15 12:37:56 kernel: [ 1.181089] RIP: 0010:kfree+0x66/0x270 > Feb 15 12:37:56 kernel: [ 1.181517] Code: 80 4c 01 e5 0f 82 1d 02 00 00 48 c7 c0 00 00 00 80 48 2b 05 bc d5 ef 00 48 01 c5 48 c1 ed 0c 48 c1 e5 06 48 03 2d 9a d5 ef 00 <48> 8b 45 08 48 8d 50 ff > a8 01 48 0f 45 ea 48 8b 55 08 48 8d 42 ff > Feb 15 12:37:56 kernel: [ 1.182838] RSP: 0018:ffffa98840b27cb8 EFLAGS: 00010207 > Feb 15 12:37:56 kernel: [ 1.183275] RAX: 000067c580000000 RBX: ffff983b060421c8 RCX: 0000000000298006 > Feb 15 12:37:56 kernel: [ 1.183718] RDX: 0000000000000000 RSI: ffffffffc06b0056 RDI: 36415f5f0004000f > Feb 15 12:37:56 kernel: [ 1.184154] RBP: 00d8f9b3d4001000 R08: ffffffffaaa57580 R09: ffffa98840b27bf0 > Feb 15 12:37:56 kernel: [ 1.184597] R10: ffff983b00e3a000 R11: 0000000000000000 R12: 36415f5f0004000f > Feb 15 12:37:56 kernel: [ 1.185038] R13: ffff983e6efb6900 R14: 0000000000000000 R15: ffff983b06042000 > Feb 15 12:37:56 kernel: [ 1.185471] FS: 0000000000000000(0000) GS:ffff983e6ef80000(0000) knlGS:0000000000000000 > Feb 15 12:37:56 kernel: [ 1.185907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > Feb 15 12:37:56 kernel: [ 1.186313] CR2: 00007f44e94bd899 CR3: 0000000105a50006 CR4: 00000000001706e0 > Feb 15 12:37:56 kernel: [ 1.358807] tsc: Refined TSC clocksource calibration: 2593.980 MHz > Feb 15 12:37:56 kernel: [ 1.358821] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x256405314e2, max_idle_ns: 440795286291 ns > Feb 15 12:37:56 kernel: [ 1.358852] clocksource: Switched to clocksource tsc > Feb 15 12:37:56 kernel: [ 1.382839] usb 1-1: new high-speed USB device number 2 using ehci-pci > Feb 15 12:37:56 kernel: [ 1.386836] usb 2-3: new high-speed USB device number 2 using xhci_hcd > Feb 15 12:37:56 entropy-source: haveged not needed: rdrand CPU flag detected > Is it possible, that the missing firmware for iwlwifi results in a Trap? In my case, i don't have the firmware because of network boot with PXE. Also, i don't know, if loading firmware with USB is possible in this early stage. Best regards Bernhard
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