XPost: linux.debian.bugs.dist 
 From: sanjoy@mit.edu 
  
 Package: src:linux 
 Version: 6.16.9-1 
 Severity: normal 
 File: /usr/lib/modules/6.16.9+deb14-amd64/kernel/drivers/gpu/drm/i915 
  
  
 When I start chromium, the display (Xorg with no config file) hangs for 
 10 or so seconds, the screen goes black for a few seconds, and it 
 returns.  This hang--blank--return cycle repeats twice more.  Then all 
 is fine. 
  
 Here are relevant lines from the dmessages.  (I've also attached the GPU 
 error state.) 
  
 It's an old laptop (Thinkpad T61), but this problem appeared only after 
 a dist-upgrade a few days ago (while running kernel 6.12).  Maybe it's 
 triggered by the upgrade of chromium (went from v140.0 to v141.0)? 
  
 $ sudo dmesg | egrep -i 'gpu|i915|drm' 
 [    3.122844] ata3.00: supports DRM functions and may not be fully 
 accessible 
 [    3.124414] ata3.00: supports DRM functions and may not be fully 
 accessible 
 [   11.713176] systemd[1]: Starting modprobe@drm.service - Load Kernel 
 Module 
 drm... 
 [   12.047508] ACPI: bus type drm_connector registered 
 [   12.056673] systemd[1]: modprobe@drm.service: Deactivated successfully. 
 [   12.071499] systemd[1]: Finished modprobe@drm.service - Load Kernel 
 Module 
 drm. 
 [   18.306504] i915 0000:00:02.0: [drm] Found i965gm (device ID 2a02) 
 integrated display version 4.00 stepping N/A 
 [   18.389390] i915 0000:00:02.0: vgaarb: deactivate vga console 
 [   18.799500] i915 0000:00:02.0: vgaarb: VGA decodes changed: o 
 ddecodes=io+mem,decodes=io+mem:owns=io+mem 
 [   18.835046] i915 0000:00:02.0: [drm] Initialized overlay support. 
 [   18.847486] i915 0000:00:02.0: [drm] Skipping intel_backlight 
 registration 
 [   18.847597] [drm] Initialized i915 1.6.0 for 0000:00:02.0 on minor 0 
 [   18.931838] fbcon: i915drmfb (fb0) is primary device 
 [   19.455586] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device 
 [  187.069814] i915 0000:00:02.0: [drm] GPU HANG: ecode 4:1:9f47f9fd, in 
 chromium [4847] 
 [  187.069827] i915 0000:00:02.0: [drm] GPU error state saved to 
 /sys/class/drm/card0/error 
 [  197.607423] i915 0000:00:02.0: [drm] GT0: Resetting chip for stopped 
 heartbeat on rcs0 
 [  197.709968] i915 0000:00:02.0: [drm] chromium[4847] context reset due to 
 GPU hang 
 [  205.245883] i915 0000:00:02.0: [drm] GPU HANG: ecode 4:1:ab95f0fb, in 
 chromium [5012] 
 [  215.767378] i915 0000:00:02.0: [drm] GT0: Resetting chip for stopped 
 heartbeat on rcs0 
 [  215.869954] i915 0000:00:02.0: [drm] chromium[5012] context reset due to 
 GPU hang 
 [  225.213762] i915 0000:00:02.0: [drm] GPU HANG: ecode 4:1:9f47f9fd, in 
 chromium [5059] 
 [  235.743344] i915 0000:00:02.0: [drm] GT0: Resetting chip for stopped 
 heartbeat on rcs0 
 [  235.845956] i915 0000:00:02.0: [drm] chromium[5059] context reset due to 
 GPU hang 
  
  
 [SoupGate killed MIME-encoded file 00000000.ATT (13415 bytes)] 
 -- Package-specific info: 
  
 ** Version: 
 Linux version 6.16.9+deb14-amd64 (debian-kernel@lists.debian.org) 
 (x86_64-linux-gnu-gcc-14 (Debian 14.3.0-8) 14.3.0, GNU ld (GNU Binutils for 
 Debian) 2.45) #1 SMP PREEMPT_DYNAMIC Debian 6.16.9-1 (2025-09-27) 
  
 ** Command line: 
 BOOT_IMAGE=/boot/vmlinuz-6.16.9+deb14-amd64 root=UUID=9ab6a6f3-5 
 d8-48e4-a893-70efb798c6d6 ro 
  
 ** Not tainted 
  
 ** Kernel log: 
 Unable to read kernel log; any relevant messages should be attached 
  
 ** Model information 
 sys_vendor: LENOVO 
 product_name: 889703U 
 product_version: ThinkPad T61 
 chassis_vendor: LENOVO 
 chassis_version: Not Available 
 bios_vendor: LENOVO 
 bios_version: 7LETC9WW (2.29 ) 
 board_vendor: LENOVO 
 board_name: 889703U 
 board_version: Not Available 
  
 ** Configuration for modprobe: 
 blacklist arkfb 
 blacklist aty128fb 
 blacklist atyfb 
 blacklist radeonfb 
 blacklist cirrusfb 
 blacklist cyber2000fb 
 blacklist kyrofb 
 blacklist matroxfb_base 
 blacklist mb862xxfb 
 blacklist neofb 
 blacklist pm2fb 
 blacklist pm3fb 
 blacklist s3fb 
 blacklist savagefb 
 blacklist sisfb 
 blacklist tdfxfb 
 blacklist tridentfb 
 blacklist vt8623fb 
 options snd_pcsp index=-2 
 options cx88_alsa index=-2 
 options snd_atiixp_modem index=-2 
 options snd_intel8x0m index=-2 
 options snd_via82xx_modem index=-2 
 options md_mod start_ro=1 
 options cirrus modeset=1 
 options mgag200 modeset=1 
 options bonding max_bonds=0 
 options dummy numdummies=0 
 options ifb numifbs=0 
  
 ** Loaded modules: 
 snd_seq_dummy 
 snd_hrtimer 
 snd_seq_midi 
 snd_seq_midi_event 
 snd_rawmidi 
 snd_seq 
 snd_seq_device 
 xt_owner 
 xt_LOG 
 nf_log_syslog 
 nft_masq 
 xt_tcpudp 
 nft_chain_nat 
 nf_nat 
 xt_conntrack 
 nf_conntrack 
 nf_defrag_ipv6 
 bridge 
 nf_defrag_ipv4 
 nft_compat 
 stp 
 llc 
 nf_tables 
 ccm 
 uinput 
 ath9k 
 ath9k_common 
 ath9k_hw 
 btusb 
 btrtl 
 btintel 
 btbcm 
 ath 
 btmtk 
 bluetooth 
 mac80211 
 i915 
 snd_hda_codec_analog 
 snd_hda_codec_generic 
 kvm_intel 
 snd_hda_intel 
 snd_intel_dspcfg 
 libarc4 
 snd_intel_sdw_acpi 
 kvm 
 snd_hda_codec 
 cfg80211 
 snd_hda_core 
 snd_hwdep 
 cpufreq_ondemand 
 snd_pcm_oss 
 drm_buddy 
 ttm 
 snd_mixer_oss 
 drm_display_helper 
 irqbypass 
 cec 
 pcmcia 
 sha512_ssse3 
 snd_pcm 
 thinkpad_acpi 
 sha1_ssse3 
 rc_core 
 yenta_socket 
 vga16fb 
 vgastate 
 drm_client_lib 
 wmi_bmof 
 acpi_cpufreq 
 snd_timer 
 pcspkr 
 nvram 
 sparse_keymap 
 platform_profile 
 pcmcia_rsrc 
 pcmcia_core 
 snd 
 drm_kms_helper 
 rfkill 
 ac 
 soundcore 
 i2c_algo_bit 
 button 
 nfsd 
 auth_rpcgss 
 nfs_acl 
 sg 
 evdev 
 joydev 
 lockd 
 grace 
 sunrpc 
 binfmt_misc 
 coretemp 
 drm 
 parport_pc 
 ppdev 
 lp 
 dm_mod 
 parport 
 efi_pstore 
 configfs 
 nfnetlink 
 ip_tables 
 x_tables 
 autofs4 
 ext4 
 crc16 
 mbcache 
 jbd2 
 crc32c_cryptoapi 
 btrfs 
 raid10 
 raid456 
 async_raid6_recov 
 async_memcpy 
 async_pq 
 async_xor 
 async_tx 
 xor 
 raid6_pq 
 raid1 
 raid0 
 md_mod 
 sr_mod 
 cdrom 
 sd_mod 
 iTCO_wdt 
 intel_pmc_bxt 
 ata_generic 
 iTCO_vendor_support 
 ahci 
 psmouse 
 watchdog 
 libahci 
 uhci_hcd 
 ata_piix 
 libata 
 ehci_pci 
 serio_raw 
 battery 
 ehci_hcd 
 e1000e 
 video 
 i2c_i801 
 scsi_mod 
 usbcore 
 lpc_ich 
 wmi 
 i2c_smbus 
 scsi_common 
 usb_common 
  
 ** PCI devices: 
 00:00.0 Host bridge [0600]: Intel Corporation Mobile PM965/GM965/GL960 
 Memory 
 Controller Hub [8086:2a00] (rev 0c) 
  Subsystem: Lenovo ThinkPad T61/R61 [17aa:20b3] 
  Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
 Stepping- 
 SERR+ FastB2B- DisINTx- 
  
 [continued in next message] 
  
 --- SoupGate-Win32 v1.05 
  * Origin: you cannot sedate... all the things you hate (1:229/2)