Package: src:linux Followup-For: Bug #941197 X-Debbugs-Cc: m...@gallifrey-blr.fr
Dear Maintainer, I have the same issue on my laptop : Dell Latitude 7480 with i7 6600U. Here the dmesg error : [ 4.153948] i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun -- Package-specific info: ** Version: linux-image-5.9.0-1-amd64/unstable,now 5.9.1-1 amd64 [installé, automatique] -- Package-specific info: ** Version: Linux version 5.9.0-1-amd64 (debian-ker...@lists.debian.org) (gcc-10 (Debian 10.2.0-15) 10.2.0, GNU ld (GNU Binutils for Debian) 2.35.1) #1 SMP Debian 5.9.1-1 (2020-10-17) ** Command line: BOOT_IMAGE=/boot/vmlinuz-5.9.0-1-amd64 root=UUID=d23b375a-b50f-4aa4-a85f-a807fde4c138 ro quiet ** Not tainted ** 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: 1.14.1 board_vendor: Dell Inc. board_name: 00F6D3 board_version: A00 ** Loaded modules: ctr ccm rfcomm cmac algif_hash algif_skcipher af_alg bnep btusb btrtl btbcm btintel bluetooth x86_pkg_temp_thermal intel_powerclamp coretemp jitterentropy_rng kvm_intel snd_hda_codec_hdmi drbg snd_soc_skl kvm irqbypass snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_hda_codec_realtek snd_soc_sst_dsp snd_soc_acpi_intel_match aes_generic ghash_clmulni_intel snd_soc_acpi snd_hda_codec_generic ath10k_pci snd_soc_core ath10k_core snd_compress ath dell_rbtn snd_hda_intel uvcvideo mei_wdt mac80211 snd_intel_dspcfg dell_laptop snd_hda_codec aesni_intel videobuf2_vmalloc intel_rapl_msr videobuf2_memops ledtrig_audio crypto_simd snd_hda_core rapl videobuf2_v4l2 snd_hwdep intel_cstate videobuf2_common cryptd glue_helper dell_smm_hwmon snd_pcm iTCO_wdt intel_uncore cfg80211 dell_wmi ansi_cprng dell_smbios dcdbas videodev intel_pmc_bxt snd_timer iTCO_vendor_support tpm_crb intel_wmi_thunderbolt ecdh_generic wmi_bmof dell_wmi_descriptor snd mc ecc pcspkr serio_raw mei_me watchdog rfkill processor_thermal_device soundcore sg libarc4 libaes mei intel_xhci_usb_role_switch roles joydev tpm_tis tpm_tis_core intel_rapl_common intel_soc_dts_iosf intel_pch_thermal tpm int3403_thermal int340x_thermal_zone rng_core int3400_thermal intel_hid evdev acpi_pad ac acpi_thermal_rel intel_pmc_core sparse_keymap parport_pc ppdev lp parport ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic sd_mod t10_pi crc_t10dif crct10dif_generic hid_alps hid_generic i915 i2c_algo_bit drm_kms_helper rtsx_pci_sdmmc mmc_core cec ahci crct10dif_pclmul crct10dif_common libahci crc32_pclmul xhci_pci crc32c_intel drm xhci_hcd rtsx_pci e1000e libata usbcore ptp scsi_mod pps_core i2c_i801 i2c_smbus i2c_hid intel_lpss_pci usb_common hid wmi battery intel_lpss_acpi intel_lpss video idma64 button ** PCI devices: 00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers [8086:1904] (rev 08) Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th 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 IOMMU group: 0 Capabilities: <access denied> Kernel driver in use: skl_uncore 00:02.0 VGA compatible controller [0300]: Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 00 [VGA controller]) DeviceName: Onboard IGD Subsystem: Dell Skylake GT2 [HD Graphics 520] [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 129 IOMMU group: 1 Region 0: Memory at eb000000 (64-bit, non-prefetchable) [size=16M] Region 2: Memory at a0000000 (64-bit, prefetchable) [size=256M] Region 4: I/O ports at f000 [size=64] Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915 00:04.0 Signal processing controller [1180]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [8086:1903] (rev 08) 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- Latency: 0 Interrupt: pin A routed to IRQ 16 IOMMU group: 2 Region 0: Memory at ec340000 (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- Interrupt: pin A routed to IRQ 128 IOMMU group: 3 Region 0: Memory at ec330000 (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- Latency: 0 Interrupt: pin C routed to IRQ 18 IOMMU group: 3 Region 0: Memory at ec359000 (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 IOMMU group: 4 Region 0: Memory at ec358000 (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 IOMMU group: 4 Region 0: Memory at ec357000 (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 IOMMU group: 4 Region 0: Memory at ec356000 (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 130 IOMMU group: 5 Region 0: Memory at ec355000 (64-bit, non-prefetchable) [size=4K] Capabilities: <access denied> Kernel driver in use: mei_me Kernel modules: mei_me 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 127 IOMMU group: 6 Region 0: Memory at ec350000 (32-bit, non-prefetchable) [size=8K] Region 1: Memory at ec354000 (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 ec353000 (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 #1 [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 IOMMU group: 7 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: [disabled] Memory behind bridge: ec200000-ec2fffff [size=1M] Prefetchable memory behind bridge: [disabled] Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ 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 #3 [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 IOMMU group: 8 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: [disabled] Memory behind bridge: ec000000-ec1fffff [size=2M] Prefetchable memory behind bridge: [disabled] Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: <access denied> Kernel driver in use: pcieport 00:1c.4 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 [8086:9d14] (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 124 IOMMU group: 9 Bus: primary=00, secondary=03, subordinate=3b, sec-latency=0 I/O behind bridge: 00002000-00002fff [size=4K] Memory behind bridge: d4000000-ea0fffff [size=353M] Prefetchable memory behind bridge: 00000000b0000000-00000000d1ffffff [size=544M] Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: <access denied> Kernel driver in use: pcieport 00:1f.0 ISA bridge [0601]: Intel Corporation Sunrise Point-LP LPC Controller [8086:9d48] (rev 21) Subsystem: Dell Sunrise Point-LP LPC 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 IOMMU group: 10 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 IOMMU group: 10 Region 0: Memory at ec34c000 (32-bit, non-prefetchable) [size=16K] 00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d70] (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 131 IOMMU group: 10 Region 0: Memory at ec348000 (64-bit, non-prefetchable) [size=16K] Region 4: Memory at ec320000 (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 IOMMU group: 10 Region 0: Memory at ec352000 (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 126 IOMMU group: 10 Region 0: Memory at ec300000 (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 125 IOMMU group: 11 Region 1: Memory at ec200000 (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]: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter [168c:003e] (rev 32) Subsystem: Dell QCA6174 802.11ac Wireless Network Adapter [1028:0310] 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 132 IOMMU group: 12 Region 0: Memory at ec000000 (64-bit, non-prefetchable) [size=2M] Capabilities: <access denied> Kernel driver in use: ath10k_pci Kernel modules: ath10k_pci ** USB devices: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0cf3:e007 Qualcomm Atheros Communications Bus 001 Device 002: ID 0bda:5650 Realtek Semiconductor Corp. Integrated Webcam_HD Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub -- System Information: Debian Release: bullseye/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 5.9.0-1-amd64 (SMP w/4 CPU threads) Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE=fr Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages linux-image-5.9.0-1-amd64 depends on: ii initramfs-tools [linux-initramfs-tool] 0.139 ii kmod 27+20200310-2 ii linux-base 4.6 Versions of packages linux-image-5.9.0-1-amd64 recommends: ii apparmor 2.13.5-1 ii firmware-linux-free 20200122-1 Versions of packages linux-image-5.9.0-1-amd64 suggests: pn debian-kernel-handbook <none> ii grub-pc 2.04-9 pn linux-doc-5.9 <none> Versions of packages linux-image-5.9.0-1-amd64 is related to: ii firmware-amd-graphics 20200918-1 ii firmware-atheros 20200918-1 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> pn firmware-iwlwifi <none> pn firmware-libertas <none> ii firmware-linux-nonfree 20200918-1 ii firmware-misc-nonfree 20200918-1 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