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Kernel panic on Slimbook executive 14 - intel core ultra 7

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maxime-ancelin
Executive

the errors

- Received Slimbook executive 14 with intel core ultra 7 chip thursday 19/02/2026

- Had multiple kernel panics Thursday and Friday, freezing the computer for minutes and shuting it down

- Crash happened always while on a google meet, mostly when sharing the screen and camera on


hardware problems before booting the OS


- I have 2 external monitors

- Noticed that when I enter the UEFI or the Limine menu, my screens shut down every seconds, periodically

- When I unplug the 2 HDMI monitors, this screen issue disappears

    - These screens do not cause any issue on my personal computer


current changes :


- In the UEFI, changed the operating mode to "Performance Mode"

- switched to another os , cachy OS, seems to be more stable; but still I had kernel panics

- Using Brave instead of Firefox, for the same conditions (test call on google meet with camera and screenshare), it use less processing power.

    - Firefox uses around 26% of processor

    - Brave uses around 17% of processor

Are there any know issues and solutions for this laptop with this chipset ?

Executive-14-UC2
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Samanta Sanchez Slimbook
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Good morning, 
Could you provide system logs when the kernel panics happened? It could help to figure out the issue

For the screens shutting down every few seconds, does this only happen in the external monitors, or the laptop monitor too?

Regards,

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maxime-ancelin
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Thanks for the quick reply !

Will provide logs next time it happens, systems stable for now.

The flicker only happens on the laptop screen, external monitors are off in UEFI and boot selection menu.

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maxime-ancelin
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I had 2 other kernel panics again this afternoon 

logs :

feb 25 15:12:42 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=5148 DF PROTO=2
feb 25 15:14:47 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=12263 DF PROTO=2
feb 25 15:16:52 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=21007 DF PROTO=2
feb 25 15:21:02 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=38915 DF PROTO=2
feb 25 15:23:07 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=43717 DF PROTO=2
feb 25 15:25:12 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=45715 DF PROTO=2
feb 25 15:27:17 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=47128 DF PROTO=2
feb 25 15:29:22 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=55260 DF PROTO=2
feb 25 15:31:27 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=57700 DF PROTO=2
feb 25 15:33:32 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=62235 DF PROTO=2
feb 25 15:34:44 mancelin kernel: BUG: unable to handle page fault for address: 000000000002a200
feb 25 15:34:44 mancelin kernel: #PF: supervisor read access in kernel mode
feb 25 15:34:44 mancelin kernel: #PF: error_code(0x0000) - not-present page
feb 25 15:34:44 mancelin kernel: PGD 0 P4D 0
feb 25 15:34:44 mancelin kernel: Oops: Oops: 0000 [#1] SMP NOPTI
feb 25 15:34:44 mancelin kernel: CPU: 1 UID: 1000 PID: 51029 Comm: brave Not tainted 6.19.3-2-cachyos #1 PREEMPT(full)  f2bce840bffef2d6b67251105be99df876aef710
feb 25 15:34:44 mancelin kernel: Hardware name: SLIMBOOK Executive-14-UC2/Executive-14-UC2, BIOS N.1.14GOS01 09/24/2025
feb 25 15:34:44 mancelin kernel: RIP: 0010:folio_add_new_anon_rmap+0xc3/0x270
feb 25 15:34:44 mancelin kernel: Code: e8 d2 eb ff ff 48 8b 4b 38 48 89 c8 48 83 e0 f8 f6 c1 02 0f 85 82 01 00 00 45 29 ef 48 85 c0 0f 84 a6 e9 f6 ff 0f 1f 44 00 00 <49> 63 8c 24 00 a2 02 00 4c 8b ac c8 80 06 00 00 49 83 c5 40 49 8b
feb 25 15:34:44 mancelin kernel: RSP: 0000:ffffd3fffec67cb8 EFLAGS: 00010282
feb 25 15:34:44 mancelin kernel: RAX: ffff8e4504d86540 RBX: fffff66756b53640 RCX: ffff8e4504d86540
feb 25 15:34:44 mancelin kernel: RDX: 0000000056c08052 RSI: ffff8e45f4ef9200 RDI: fffff66756b53640
feb 25 15:34:44 mancelin kernel: RBP: 0000000000000000 R08: 000000000000001a R09: 000065b328149ed4
feb 25 15:34:44 mancelin kernel: R10: ffffd3fffec67c18 R11: ffff8e4c3ffd6000 R12: 0000000000000000
feb 25 15:34:44 mancelin kernel: R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000011
feb 25 15:34:44 mancelin kernel: FS:  00007fe6ef52f640(0000) GS:ffff8e4c9711b000(0000) knlGS:0000000000000000
feb 25 15:34:44 mancelin kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
feb 25 15:34:44 mancelin kernel: CR2: 000000000002a200 CR3: 0000000108d56006 CR4: 0000000000f72ef0
feb 25 15:34:44 mancelin kernel: PKRU: 55555558
feb 25 15:34:44 mancelin kernel: Call Trace:
feb 25 15:34:44 mancelin kernel:  <TASK>
feb 25 15:34:44 mancelin kernel:  do_pte_missing+0x28f/0xef0
feb 25 15:34:44 mancelin kernel:  handle_mm_fault+0x682/0x720
feb 25 15:34:44 mancelin kernel:  do_user_addr_fault+0x26e/0x450
feb 25 15:34:44 mancelin kernel:  exc_page_fault+0x66/0xd0
feb 25 15:34:44 mancelin kernel:  asm_exc_page_fault+0x26/0x30
feb 25 15:34:44 mancelin kernel: RIP: 0033:0x5631e22f8f52
feb 25 15:34:44 mancelin kernel: Code: d7 ff e0 67 0f b9 40 02 45 85 c0 7e 2c 55 48 89 e5 4c 63 ca 48 c1 e9 02 48 63 d1 48 c1 e2 02 41 ff c0 89 f0 4c 89 d7 4c 89 c9 <f3> ab 49 01 d2 41 ff c8 41 83 f8 01 77 ea 5d c3 cc cc cc cc cc cc
feb 25 15:34:44 mancelin kernel: RSP: 002b:00007fff71929040 EFLAGS: 00010202
feb 25 15:34:44 mancelin kernel: RAX: 0000000000000000 RBX: 00007fff71929b90 RCX: 00000000000002e4
feb 25 15:34:44 mancelin kernel: RDX: 0000000000002cfc RSI: 0000000000000000 RDI: 0000056c08052000
feb 25 15:34:44 mancelin kernel: RBP: 00007fff71929040 R08: 00000000000005f8 R09: 0000000000000b3f
feb 25 15:34:44 mancelin kernel: R10: 0000056c0804fe94 R11: 00005631e20346c0 R12: 00007fff71929088
feb 25 15:34:44 mancelin kernel: R13: 00005631ebd71530 R14: 00007fff71929c10 R15: 00007fff71929b38
feb 25 15:34:44 mancelin kernel:  </TASK>
feb 25 15:34:44 mancelin kernel: Modules linked in: nf_conntrack_netlink xt_nat veth overlay xt_MASQUERADE bridge stp llc xfrm_user xfrm_algo xt_set ip_set nft_chain_nat nf_nat tun typec_displayport snd_seq_dummy rfcomm snd_hrtimer snd_seq ccm cmac algif_hash algif_skcipher af_alg bnep vfat fat snd_hda_codec_intelhdmi snd_hda_codec_conexant snd_hda_codec_generic snd_hda_intel snd_sof_pci_intel_mtl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_hda_codec_hdmi snd_sof_intel_hda_mlink soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_hda_ext_core snd_hda_codec snd_hda_core snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks snd_intel_dspcfg snd_intel_sdw_acpi soundwire_generic_allocation snd_soc_sdw_utils intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal snd_soc_acpi iwlmvm intel_powerclamp soundwire_bus coretemp snd_usb_audio snd_soc_sdca mac80211 snd_usbmidi_lib processor_thermal_device_pci snd_soc_core
feb 25 15:34:44 mancelin kernel:  processor_thermal_device snd_hwdep kvm_intel uvcvideo ptp processor_thermal_power_floor snd_ump ac97_bus processor_thermal_wt_hint pps_core uvc libarc4 snd_rawmidi snd_pcm_dmaengine processor_thermal_wt_req videobuf2_vmalloc kvm snd_compress snd_seq_device processor_thermal_rfim btusb iwlwifi videobuf2_memops spd5118 processor_thermal_mbox snd_pcm btmtk platform_temperature_control videobuf2_v4l2 btbcm irqbypass snd_timer ucsi_acpi processor_thermal_rapl intel_rapl_msr videobuf2_common btintel rapl intel_rapl_common mei_gsc_proxy snd typec_ucsi i2c_i801 cfg80211 typec videodev processor_thermal_soc_slider soundcore btrtl spi_nor mei_me i2c_smbus intel_cstate roles hid_multitouch intel_uncore asus_wmi mtd wmi_bmof pcspkr crc8 bluetooth i2c_mux mousedev mei joydev mc thunderbolt rfkill intel_vpu platform_profile igen6_edac i2c_hid_acpi intel_pmc_core apple_mfi_fastcharge i2c_hid int3403_thermal int340x_thermal_zone intel_pmc_ssram_telemetry pmt_telemetry pmt_discovery intel_hid int3400_thermal acpi_tad
feb 25 15:34:44 mancelin kernel:  acpi_pad sparse_keymap pinctrl_meteorlake pmt_class acpi_thermal_rel mac_hid ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt ipt_REJECT nf_reject_ipv4 xt_LOG nf_log_syslog nft_limit xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat x_tables nf_tables ntsync crypto_user pkcs8_key_parser i2c_dev nfnetlink zram 842_decompress 842_compress lz4hc_compress lz4_compress dm_crypt encrypted_keys trusted tee asn1_encoder hid_cmedia hid_apple xe drm_suballoc_helper gpu_sched drm_ttm_helper drm_gpuvm drm_exec drm_gpusvm_helper dm_mod i915 sdhci_pci nvme drm_buddy cqhci intel_gtt nvme_core sdhci_uhs2 ttm sdhci i2c_algo_bit nvme_keyring ghash_clmulni_intel spi_intel_pci drm_display_helper intel_lpss_pci nvme_auth mmc_core aesni_intel hkdf intel_lpss spi_intel cec intel_vsec idma64 video wmi serio_raw
feb 25 15:34:44 mancelin kernel: CR2: 000000000002a200
feb 25 15:34:44 mancelin kernel: ---[ end trace 0000000000000000 ]---
feb 25 15:34:44 mancelin kernel: RIP: 0010:folio_add_new_anon_rmap+0xc3/0x270
feb 25 15:34:44 mancelin kernel: Code: e8 d2 eb ff ff 48 8b 4b 38 48 89 c8 48 83 e0 f8 f6 c1 02 0f 85 82 01 00 00 45 29 ef 48 85 c0 0f 84 a6 e9 f6 ff 0f 1f 44 00 00 <49> 63 8c 24 00 a2 02 00 4c 8b ac c8 80 06 00 00 49 83 c5 40 49 8b
feb 25 15:34:44 mancelin kernel: RSP: 0000:ffffd3fffec67cb8 EFLAGS: 00010282
feb 25 15:34:44 mancelin kernel: RAX: ffff8e4504d86540 RBX: fffff66756b53640 RCX: ffff8e4504d86540
feb 25 15:34:44 mancelin kernel: RDX: 0000000056c08052 RSI: ffff8e45f4ef9200 RDI: fffff66756b53640
feb 25 15:34:44 mancelin kernel: RBP: 0000000000000000 R08: 000000000000001a R09: 000065b328149ed4
feb 25 15:34:44 mancelin kernel: R10: ffffd3fffec67c18 R11: ffff8e4c3ffd6000 R12: 0000000000000000
feb 25 15:34:44 mancelin kernel: R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000011
feb 25 15:34:44 mancelin kernel: FS:  00007fe6ef52f640(0000) GS:ffff8e4c9711b000(0000) knlGS:0000000000000000
feb 25 15:34:44 mancelin kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
feb 25 15:34:44 mancelin kernel: CR2: 000000000002a200 CR3: 0000000108d56006 CR4: 0000000000f72ef0
feb 25 15:34:44 mancelin kernel: PKRU: 55555558
feb 25 15:34:44 mancelin kernel: note: brave[51029] exited with irqs disabled
feb 25 15:34:44 mancelin kernel: note: brave[51029] exited with preempt_count 1
feb 25 15:35:37 mancelin kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:38:a6:59:ca:dc:e7:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=4530 DF PROTO=2

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Samanta Sanchez Slimbook
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Good morning, 
Logs seem to say that there's some sort of RAM issues/corruption
To check if it also crashes under load, you could try doing a stress test (with s-tui or stress) and doing a memtest to check if the RAM modules pass the memtest

In any case, I recommend contacting with Slimbook support Team (at https://slimbook.com/en/support ) if while stressing it kernel panics, or the memtest failed

Regards,

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