We did fix a memory leak recently.

Please backport this and see it it helps

https://github.com/torvalds/linux/commit/affab51082174f60ef71ced8ab5fbe71f00e9ae3

On Oct 14, 2018 15:26, Pali Rohár <pali.ro...@gmail.com> wrote:
Adding Mario to loop.

Memory leak can be also in ACPI/WMI or in the new dell-smbios.ko module.

On Sunday 14 October 2018 22:18:21 Marco d'Itri wrote:
> Package: src:linux
> Version: 4.18.10-2
> Severity: normal
> Tags: upstream
>
> (I am Cc'in the maintainers of the dell-laptop module, accordingly to
> modinfo.)
>
> After running this for about 1H:
>
> while true; do
>  echo 1 > 
> /sys/devices/platform/dell-laptop/leds/dell::kbd_backlight/brightness
>  sleep 0.25
>  echo 0 > 
> /sys/devices/platform/dell-laptop/leds/dell::kbd_backlight/brightness
>  sleep 0.25
> done
>
> most of the memory on my system is used and I get a flood of errors
> like these.
>
> This is a regression, I have noticed this behaviour for at least the
> past 4 months.
>
> Oct 14 16:01:37 bongo kernel: [534600.964709] kworker/1:3: page allocation 
> failure: order:4, mode:0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null)
> Oct 14 16:01:37 bongo kernel: [534600.964715] kworker/1:3 cpuset=/ 
> mems_allowed=0
> Oct 14 16:01:37 bongo kernel: [534600.964725] CPU: 1 PID: 32257 Comm: 
> kworker/1:3 Tainted: G        W  O      4.18.0-2-amd64 #1 Debian 4.18.10-1
> Oct 14 16:01:37 bongo kernel: [534600.964728] Hardware name: Dell Inc. 
> Latitude 7480/0R0YRF, BIOS 1.10.1 05/28/2018
> Oct 14 16:01:37 bongo kernel: [534600.964736] Workqueue: events 
> set_brightness_delayed
> Oct 14 16:01:37 bongo kernel: [534600.964739] Call Trace:
> Oct 14 16:01:37 bongo kernel: [534600.964749]  dump_stack+0x5c/0x7b
> Oct 14 16:01:37 bongo kernel: [534600.964756]  warn_alloc+0xfc/0x180
> Oct 14 16:01:37 bongo kernel: [534600.964763]  ? _cond_resched+0x15/0x40
> Oct 14 16:01:37 bongo kernel: [534600.964769]  
> __alloc_pages_slowpath+0xcfe/0xd40
> Oct 14 16:01:37 bongo kernel: [534600.964775]  
> __alloc_pages_nodemask+0x236/0x250
> Oct 14 16:01:37 bongo kernel: [534600.964782]  kmalloc_order+0x14/0x40
> Oct 14 16:01:37 bongo kernel: [534600.964787]  kmalloc_order_trace+0x1d/0xa0
> Oct 14 16:01:37 bongo kernel: [534600.964793]  
> acpi_ut_initialize_buffer+0x35/0x6b
> Oct 14 16:01:37 bongo kernel: [534600.964799]  
> acpi_evaluate_object+0x1d6/0x240
> Oct 14 16:01:37 bongo kernel: [534600.964810]  
> wmidev_evaluate_method+0x107/0x150 [wmi]
> Oct 14 16:01:37 bongo kernel: [534600.964819]  run_smbios_call+0x6d/0x1a0 
> [dell_smbios]
> Oct 14 16:01:37 bongo kernel: [534600.964825]  dell_smbios_wmi_call+0x82/0xd0 
> [dell_smbios]
> Oct 14 16:01:37 bongo kernel: [534600.964830]  dell_smbios_call+0x6f/0xc0 
> [dell_smbios]
> Oct 14 16:01:37 bongo kernel: [534600.964836]  kbd_get_state+0x42/0xf0 
> [dell_laptop]
> Oct 14 16:01:37 bongo kernel: [534600.964843]  kbd_led_level_set+0x3c/0x1a0 
> [dell_laptop]
> Oct 14 16:01:37 bongo kernel: [534600.964848]  
> set_brightness_delayed+0x5b/0xa0
> Oct 14 16:01:37 bongo kernel: [534600.964854]  process_one_work+0x195/0x370
> Oct 14 16:01:37 bongo kernel: [534600.964859]  worker_thread+0x30/0x390
> Oct 14 16:01:37 bongo kernel: [534600.964864]  ? process_one_work+0x370/0x370
> Oct 14 16:01:37 bongo kernel: [534600.964868]  kthread+0x113/0x130
> Oct 14 16:01:37 bongo kernel: [534600.964872]  ? 
> kthread_create_worker_on_cpu+0x70/0x70
> Oct 14 16:01:37 bongo kernel: [534600.964876]  ret_from_fork+0x35/0x40
> Oct 14 16:01:37 bongo kernel: [534600.964881] warn_alloc_show_mem: 2 
> callbacks suppressed
> Oct 14 16:01:37 bongo kernel: [534600.964881] Mem-Info:
> Oct 14 16:01:37 bongo kernel: [534600.964891] active_anon:472110 
> inactive_anon:155641 isolated_anon:0
> Oct 14 16:01:37 bongo kernel: [534600.964891]  active_file:302512 
> inactive_file:103400 isolated_file:0
> Oct 14 16:01:37 bongo kernel: [534600.964891]  unevictable:52 dirty:2 
> writeback:0 unstable:0
> Oct 14 16:01:37 bongo kernel: [534600.964891]  slab_reclaimable:34039 
> slab_unreclaimable:27446
> Oct 14 16:01:37 bongo kernel: [534600.964891]  mapped:104119 shmem:28056 
> pagetables:8196 bounce:0
> Oct 14 16:01:37 bongo kernel: [534600.964891]  free:108743 free_pcp:1 
> free_cma:0
> Oct 14 16:01:37 bongo kernel: [534600.964903] Node 0 active_anon:1888440kB 
> inactive_anon:622564kB active_file:1210048kB inactive_file:413600kB 
> unevictable:208kB isolated(anon):0kB isolated(file):0kB mapped:416476kB 
> dirty:8kB writeback:0kB shmem:112224kB shmem_thp: 0kB shmem_pmdmapped: 0kB 
> anon_thp: 817152kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
> Oct 14 16:01:37 bongo kernel: [534600.964906] Node 0 DMA free:15888kB 
> min:132kB low:164kB high:196kB active_anon:0kB inactive_anon:0kB 
> active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB 
> present:15988kB managed:15888kB mlocked:0kB kernel_stack:0kB pagetables:0kB 
> bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> Oct 14 16:01:37 bongo kernel: [534600.964915] lowmem_reserve[]: 0 3123 7812 
> 7812 7812
> Oct 14 16:01:37 bongo kernel: [534600.964922] Node 0 DMA32 free:302908kB 
> min:26968kB low:33708kB high:40448kB active_anon:474228kB 
> inactive_anon:109220kB active_file:145492kB inactive_file:75160kB 
> unevictable:0kB writepending:0kB present:3298264kB managed:3232156kB 
> mlocked:0kB kernel_stack:64kB pagetables:748kB bounce:0kB free_pcp:0kB 
> local_pcp:0kB free_cma:0kB
> Oct 14 16:01:37 bongo kernel: [534600.964930] lowmem_reserve[]: 0 0 4688 4688 
> 4688
> Oct 14 16:01:37 bongo kernel: [534600.964936] Node 0 Normal free:116176kB 
> min:40480kB low:50600kB high:60720kB active_anon:1414212kB 
> inactive_anon:513344kB active_file:1064556kB inactive_file:338440kB 
> unevictable:208kB writepending:8kB present:4956160kB managed:4805464kB 
> mlocked:208kB kernel_stack:10992kB pagetables:32036kB bounce:0kB free_pcp:4kB 
> local_pcp:4kB free_cma:0kB
> Oct 14 16:01:37 bongo kernel: [534600.964970] lowmem_reserve[]: 0 0 0 0 0
> Oct 14 16:01:37 bongo kernel: [534600.965003] Node 0 DMA: 2*4kB (U) 3*8kB (U) 
> 3*16kB (U) 0*32kB 3*64kB (U) 2*128kB (U) 0*256kB 0*512kB 1*1024kB (U) 
> 1*2048kB (M) 3*4096kB (M) = 15888kB
> Oct 14 16:01:37 bongo kernel: [534600.965086] Node 0 DMA32: 11164*4kB (UME) 
> 8284*8kB (UME) 5590*16kB (UME) 3144*32kB (UE) 1*64kB (H) 1*128kB (H) 1*256kB 
> (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 302960kB
> Oct 14 16:01:37 bongo kernel: [534600.965114] Node 0 Normal: 3062*4kB (UMEH) 
> 3479*8kB (UMEH) 2294*16kB (UMEH) 1225*32kB (UEH) 8*64kB (H) 3*128kB (H) 
> 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 116880kB
> Oct 14 16:01:37 bongo kernel: [534600.965141] Node 0 hugepages_total=0 
> hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
> Oct 14 16:01:37 bongo kernel: [534600.965145] Node 0 hugepages_total=0 
> hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
> Oct 14 16:01:37 bongo kernel: [534600.965148] 468671 total pagecache pages
> Oct 14 16:01:37 bongo kernel: [534600.965154] 34702 pages in swap cache
> Oct 14 16:01:37 bongo kernel: [534600.965158] Swap cache stats: add 1264190, 
> delete 1229501, find 912771/1090742
> Oct 14 16:01:37 bongo kernel: [534600.965161] Free swap  = 7857048kB
> Oct 14 16:01:37 bongo kernel: [534600.965164] Total swap = 8807744kB
> Oct 14 16:01:37 bongo kernel: [534600.965168] 2067603 pages RAM
> Oct 14 16:01:37 bongo kernel: [534600.965170] 0 pages HighMem/MovableOnly
> Oct 14 16:01:37 bongo kernel: [534600.965173] 54226 pages reserved
> Oct 14 16:01:37 bongo kernel: [534600.965176] 0 pages hwpoisoned
> Oct 14 16:01:37 bongo kernel: [534600.965192] leds dell::kbd_backlight: 
> Setting an LED's brightness failed (-5)
>
>
> -- Package-specific info:
> ** Version:
> Linux version 4.18.0-2-amd64 (debian-ker...@lists.debian.org) (gcc version 
> 7.3.0 (Debian 7.3.0-29)) #1 SMP Debian 4.18.10-1 (2018-09-30)
>
> ** Command line:
> BOOT_IMAGE=/vmlinuz-4.18.0-2-amd64 
> root=UUID=bee56789-3e00-4f0c-8ca0-7d40d3902766 ro iomem=relaxed 
> vsyscall=emulate iomem=relaxed vsyscall=emulate splash
>
> ** Tainted: WO (4608)
>  * Taint on warning.
>  * Out-of-tree module has been loaded.
>
> ** Kernel log:
> Unable to read kernel log; any relevant messages should be attached
>
> ** Model information
> sys_vendor: Dell Inc.
> product_name: Latitude 7480
> product_version:
> chassis_vendor: Dell Inc.
> chassis_version:
> bios_vendor: Dell Inc.
> bios_version: 1.10.1
> board_vendor: Dell Inc.
> board_name: 0R0YRF
> board_version: A01
>
> ** Loaded modules:
> nfnetlink_queue
> nfnetlink_log
> nfnetlink
> wireguard(O)
> ip6_udp_tunnel
> udp_tunnel
> cpuid
> tcp_diag
> inet_diag
> pci_stub
> tun
> nls_utf8
> isofs
> uas
> usb_storage
> sctp
> cbc
> cts
> rpcsec_gss_krb5
> nfsv4
> dns_resolver
> nfs
> lockd
> grace
> fscache
> fuse
> ctr
> ccm
> ip6table_mangle
> ip6t_MASQUERADE
> ip6table_nat
> nf_conntrack_ipv6
> nf_defrag_ipv6
> nf_nat_ipv6
> ip6t_REJECT
> nf_reject_ipv6
> ip6table_filter
> ip6_tables
> nf_conntrack_tftp
> xt_CT
> cpufreq_conservative
> cpufreq_powersave
> cpufreq_userspace
> iptable_raw
> iptable_mangle
> ipt_MASQUERADE
> xt_REDIRECT
> xt_mark
> xt_cgroup
> iptable_nat
> nf_nat_ipv4
> nf_nat
> nf_log_ipv4
> nf_log_common
> xt_LOG
> ipt_REJECT
> nf_reject_ipv4
> nf_conntrack_ipv4
> nf_defrag_ipv4
> xt_tcpudp
> xt_recent
> xt_conntrack
> nf_conntrack
> libcrc32c
> crc32c_generic
> iptable_filter
> intel_rapl
> x86_pkg_temp_thermal
> intel_powerclamp
> kvm_intel
> kvm
> irqbypass
> nls_ascii
> intel_cstate
> nls_cp437
> intel_uncore
> serio_raw
> dell_wmi
> intel_rapl_perf
> vfat
> dell_smm_hwmon
> arc4
> wmi_bmof
> fat
> snd_hda_codec_hdmi
> efi_pstore
> efivars
> dell_rbtn
> dell_laptop
> dell_smbios
> iwlmvm
> dell_wmi_descriptor
> iTCO_wdt
> mac80211
> iTCO_vendor_support
> snd_soc_skl
> iwlwifi
> btusb
> snd_soc_skl_ipc
> btrtl
> btbcm
> snd_soc_sst_ipc
> snd_hda_codec_realtek
> btintel
> snd_soc_sst_dsp
> snd_hda_codec_generic
> snd_hda_ext_core
> uvcvideo
> bluetooth
> snd_soc_acpi
> cfg80211
> videobuf2_vmalloc
> snd_soc_core
> videobuf2_memops
> videobuf2_v4l2
> snd_compress
> rtsx_pci_ms
> drbg
> videobuf2_common
> ansi_cprng
> memstick
> snd_hda_intel
> sg
> videodev
> ecdh_generic
> snd_hda_codec
> rfkill
> media
> snd_hda_core
> joydev
> snd_hwdep
> snd_pcm_oss
> snd_mixer_oss
> snd_pcm
> snd_timer
> snd
> soundcore
> idma64
> tpm_crb
> int3403_thermal
> tpm_tis
> intel_hid
> tpm_tis_core
> tpm
> int3400_thermal
> battery
> evdev
> rng_core
> acpi_thermal_rel
> sparse_keymap
> acpi_pad
> ac
> pcc_cpufreq
> mei_me
> mei
> processor_thermal_device
> int340x_thermal_zone
> intel_pch_thermal
> intel_soc_dts_iosf
> dcdbas
> i2c_dev
> auth_rpcgss
> coretemp
> sunrpc
> efivarfs
> ip_tables
> x_tables
> autofs4
> ext4
> crc16
> mbcache
> jbd2
> fscrypto
> algif_skcipher
> af_alg
> dm_crypt
> dm_mod
> sd_mod
> hid_alps
> hid_generic
> rtsx_pci_sdmmc
> mmc_core
> crct10dif_pclmul
> crc32_pclmul
> crc32c_intel
> ghash_clmulni_intel
> pcbc
> aesni_intel
> aes_x86_64
> crypto_simd
> cryptd
> glue_helper
> rtsx_pci
> ahci
> libahci
> xhci_pci
> i915
> libata
> xhci_hcd
> i2c_algo_bit
> drm_kms_helper
> scsi_mod
> e1000e
> usbcore
> i2c_i801
> usb_common
> intel_lpss_pci
> drm
> thermal
> wmi
> i2c_hid
> hid
> video
> intel_lpss_acpi
> intel_lpss
> button
>
> ** PCI devices:
> 00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v6/7th Gen Core 
> Processor Host Bridge/DRAM Registers [8086:5904] (rev 02)
>        Subsystem: Dell Xeon E3-1200 v6/7th Gen Core Processor Host 
> Bridge/DRAM Registers [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Capabilities: <access denied>
>
> 00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 620 
> [8086:5916] (rev 02) (prog-if 00 [VGA controller])
>        Subsystem: Dell HD Graphics 620 [1028:07a0]
>        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin A routed to IRQ 128
>        Region 0: Memory at ee000000 (64-bit, non-prefetchable) [size=16M]
>        Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M]
>        Region 4: I/O ports at f000 [size=64]
>        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
>        Capabilities: <access denied>
>        Kernel driver in use: i915
>        Kernel modules: i915
>
> 00:04.0 Signal processing controller [1180]: Intel Corporation Skylake 
> Processor Thermal Subsystem [8086:1903] (rev 02)
>        Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor 
> Thermal Subsystem [1028:07a0]
>        Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Interrupt: pin A routed to IRQ 16
>        Region 0: Memory at ef240000 (64-bit, non-prefetchable) [size=32K]
>        Capabilities: <access denied>
>        Kernel driver in use: proc_thermal
>        Kernel modules: processor_thermal_device
>
> 00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0 
> xHCI Controller [8086:9d2f] (rev 21) (prog-if 30 [XHCI])
>        Subsystem: Dell Sunrise Point-LP USB 3.0 xHCI Controller [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin A routed to IRQ 125
>        Region 0: Memory at ef230000 (64-bit, non-prefetchable) [size=64K]
>        Capabilities: <access denied>
>        Kernel driver in use: xhci_hcd
>        Kernel modules: xhci_pci
>
> 00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise 
> Point-LP Thermal subsystem [8086:9d31] (rev 21)
>        Subsystem: Dell Sunrise Point-LP Thermal subsystem [1028:07a0]
>        Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Interrupt: pin C routed to IRQ 18
>        Region 0: Memory at ef25a000 (64-bit, non-prefetchable) [size=4K]
>        Capabilities: <access denied>
>        Kernel driver in use: intel_pch_thermal
>        Kernel modules: intel_pch_thermal
>
> 00:15.0 Signal processing controller [1180]: Intel Corporation Sunrise 
> Point-LP Serial IO I2C Controller #0 [8086:9d60] (rev 21)
>        Subsystem: Dell Sunrise Point-LP Serial IO I2C Controller [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0, Cache Line Size: 64 bytes
>        Interrupt: pin A routed to IRQ 16
>        Region 0: Memory at ef259000 (64-bit, non-prefetchable) [size=4K]
>        Capabilities: <access denied>
>        Kernel driver in use: intel-lpss
>        Kernel modules: intel_lpss_pci
>
> 00:15.1 Signal processing controller [1180]: Intel Corporation Sunrise 
> Point-LP Serial IO I2C Controller #1 [8086:9d61] (rev 21)
>        Subsystem: Dell Sunrise Point-LP Serial IO I2C Controller [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0, Cache Line Size: 64 bytes
>        Interrupt: pin B routed to IRQ 17
>        Region 0: Memory at ef258000 (64-bit, non-prefetchable) [size=4K]
>        Capabilities: <access denied>
>        Kernel driver in use: intel-lpss
>        Kernel modules: intel_lpss_pci
>
> 00:15.2 Signal processing controller [1180]: Intel Corporation Sunrise 
> Point-LP Serial IO I2C Controller #2 [8086:9d62] (rev 21)
>        Subsystem: Dell Sunrise Point-LP Serial IO I2C Controller [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0, Cache Line Size: 64 bytes
>        Interrupt: pin C routed to IRQ 18
>        Region 0: Memory at ef257000 (64-bit, non-prefetchable) [size=4K]
>        Capabilities: <access denied>
>        Kernel driver in use: intel-lpss
>        Kernel modules: intel_lpss_pci
>
> 00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP 
> CSME HECI #1 [8086:9d3a] (rev 21)
>        Subsystem: Dell Sunrise Point-LP CSME HECI [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin A routed to IRQ 124
>        Region 0: Memory at ef256000 (64-bit, non-prefetchable) [size=4K]
>        Capabilities: <access denied>
>        Kernel driver in use: mei_me
>        Kernel modules: mei_me
>
> 00:16.3 Serial controller [0700]: Intel Corporation Device [8086:9d3d] (rev 
> 21) (prog-if 02 [16550])
>        Subsystem: Dell Device [1028:07a0]
>        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Interrupt: pin D routed to IRQ 19
>        Region 0: I/O ports at f0a0 [size=8]
>        Region 1: Memory at ef255000 (32-bit, non-prefetchable) [size=4K]
>        Capabilities: <access denied>
>        Kernel driver in use: serial
>
> 00:17.0 SATA controller [0106]: Intel Corporation Sunrise Point-LP SATA 
> Controller [AHCI mode] [8086:9d03] (rev 21) (prog-if 01 [AHCI 1.0])
>        Subsystem: Dell Sunrise Point-LP SATA Controller [AHCI mode] 
> [1028:07a0]
>        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin A routed to IRQ 126
>        Region 0: Memory at ef250000 (32-bit, non-prefetchable) [size=8K]
>        Region 1: Memory at ef254000 (32-bit, non-prefetchable) [size=256]
>        Region 2: I/O ports at f090 [size=8]
>        Region 3: I/O ports at f080 [size=4]
>        Region 4: I/O ports at f060 [size=32]
>        Region 5: Memory at ef253000 (32-bit, non-prefetchable) [size=2K]
>        Capabilities: <access denied>
>        Kernel driver in use: ahci
>        Kernel modules: ahci
>
> 00:1c.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express 
> Root Port [8086:9d10] (rev f1) (prog-if 00 [Normal decode])
>        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin A routed to IRQ 122
>        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
>        Memory behind bridge: ef100000-ef1fffff
>        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- <SERR- <PERR-
>        BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
>                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
>        Capabilities: <access denied>
>        Kernel driver in use: pcieport
>
> 00:1c.2 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express 
> Root Port [8086:9d12] (rev f1) (prog-if 00 [Normal decode])
>        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin C routed to IRQ 123
>        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
>        Memory behind bridge: ef000000-ef0fffff
>        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- <SERR- <PERR-
>        BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
>                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
>        Capabilities: <access denied>
>        Kernel driver in use: pcieport
>
> 00:1f.0 ISA bridge [0601]: Intel Corporation Intel(R) 100 Series Chipset 
> Family LPC Controller/eSPI Controller - 9D4E [8086:9d4e] (rev 21)
>        Subsystem: Dell Intel(R) 100 Series Chipset Family LPC Controller/eSPI 
> Controller - 9D4E [1028:07a0]
>        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>
> 00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-LP PMC 
> [8086:9d21] (rev 21)
>        Subsystem: Dell Sunrise Point-LP PMC [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Region 0: Memory at ef24c000 (32-bit, non-prefetchable) [size=16K]
>
> 00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio 
> [8086:9d71] (rev 21)
>        Subsystem: Dell Sunrise Point-LP HD Audio [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 32
>        Interrupt: pin B routed to IRQ 129
>        Region 0: Memory at ef248000 (64-bit, non-prefetchable) [size=16K]
>        Region 4: Memory at ef220000 (64-bit, non-prefetchable) [size=64K]
>        Capabilities: <access denied>
>        Kernel driver in use: snd_hda_intel
>        Kernel modules: snd_hda_intel, snd_soc_skl
>
> 00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23] 
> (rev 21)
>        Subsystem: Dell Sunrise Point-LP SMBus [1028:07a0]
>        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
>        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Interrupt: pin A routed to IRQ 16
>        Region 0: Memory at ef252000 (64-bit, non-prefetchable) [size=256]
>        Region 4: I/O ports at f040 [size=32]
>        Kernel driver in use: i801_smbus
>        Kernel modules: i2c_i801
>
> 00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (4) 
> I219-LM [8086:15d7] (rev 21)
>        Subsystem: Dell Ethernet Connection (4) I219-LM [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin A routed to IRQ 130
>        Region 0: Memory at ef200000 (32-bit, non-prefetchable) [size=128K]
>        Capabilities: <access denied>
>        Kernel driver in use: e1000e
>        Kernel modules: e1000e
>
> 01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI 
> Express Card Reader [10ec:525a] (rev 01)
>        Subsystem: Dell RTS525A PCI Express Card Reader [1028:07a0]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin A routed to IRQ 127
>        Region 1: Memory at ef100000 (32-bit, non-prefetchable) [size=4K]
>        Capabilities: <access denied>
>        Kernel driver in use: rtsx_pci
>        Kernel modules: rtsx_pci
>
> 02:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 
> [8086:24fd] (rev 78)
>        Subsystem: Intel Corporation Wireless 8265 / 8275 [8086:0050]
>        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx+
>        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>        Latency: 0
>        Interrupt: pin A routed to IRQ 131
>        Region 0: Memory at ef000000 (64-bit, non-prefetchable) [size=8K]
>        Capabilities: <access denied>
>        Kernel driver in use: iwlwifi
>        Kernel modules: iwlwifi
>
>
> ** USB devices:
> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 001 Device 002: ID 0bda:568c Realtek Semiconductor Corp.
> Bus 001 Device 004: ID 0a5c:5832 Broadcom Corp.
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>
>
> -- System Information:
> Debian Release: buster/sid
>   APT prefers unstable
>   APT policy: (500, 'unstable'), (1, 'experimental')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
>
> Kernel: Linux 4.18.0-2-amd64 (SMP w/4 CPU cores)
> Locale: LANG=it_IT.utf8, LC_CTYPE=it_IT.utf8 (charmap=UTF-8), 
> LANGUAGE=it_IT.utf8 (charmap=UTF-8)
> Shell: /bin/sh linked to /usr/bin/dash
> Init: systemd (via /run/systemd/system)
> LSM: AppArmor: enabled
>
> Versions of packages linux-image-4.18.0-2-amd64 depends on:
> ii  initramfs-tools [linux-initramfs-tool]  0.132
> ii  kmod                                    25-1
> ii  linux-base                              4.5
>
> Versions of packages linux-image-4.18.0-2-amd64 recommends:
> ii  apparmor             2.13-8
> ii  firmware-linux-free  3.4
> pn  irqbalance           <none>
>
> Versions of packages linux-image-4.18.0-2-amd64 suggests:
> pn  debian-kernel-handbook  <none>
> ii  grub-efi-amd64          2.02+dfsg1-6
> pn  linux-doc-4.18          <none>
>
> Versions of packages linux-image-4.18.0-2-amd64 is related to:
> pn  firmware-amd-graphics     <none>
> pn  firmware-atheros          <none>
> pn  firmware-bnx2             <none>
> pn  firmware-bnx2x            <none>
> pn  firmware-brcm80211        <none>
> pn  firmware-cavium           <none>
> pn  firmware-intel-sound      <none>
> pn  firmware-intelwimax       <none>
> pn  firmware-ipw2x00          <none>
> pn  firmware-ivtv             <none>
> ii  firmware-iwlwifi          20180825+dfsg-1
> pn  firmware-libertas         <none>
> pn  firmware-linux-nonfree    <none>
> ii  firmware-misc-nonfree     20180825+dfsg-1
> pn  firmware-myricom          <none>
> pn  firmware-netxen           <none>
> pn  firmware-qlogic           <none>
> pn  firmware-realtek          <none>
> pn  firmware-samsung          <none>
> pn  firmware-siano            <none>
> pn  firmware-ti-connectivity  <none>
> pn  xen-hypervisor            <none>
>
> -- no debconf information
>

--
Pali Rohár
pali.ro...@gmail.com

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