Package: linux-image-amd64
Version: 4.18.0-3-amd64 #1 SMP Debian 4.18.20-2 (2018-11-23) x86_64 GNU/Linux
i915 driver crashes at startup with kernel 4.18.0-3-amd64 (buster) on old 946GZ chipset, monitor goes out of sync both on X and consoles.
All good running 4.18.0-2-amd64.
(...)
[ 11.827937] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[ 11.827945] PGD 0 P4D 0
[ 11.827950] Oops: 0000 [#1] SMP PTI
[ 11.827955] CPU: 2 PID: 429 Comm: systemd-udevd Not tainted 4.18.0-3-amd64 #1 Debian 4.18.20-2
[ 11.827959] Hardware name: LENOVO 9632Y4A/LENOVO, BIOS 2OKT48AUS 11/13/2008
[ 11.828043] RIP: 0010:gen4_render_ring_flush+0x55/0xf0 [i915]
[ 11.828046] Code: 00 be 16 00 00 00 48 89 ef e8 87 fe ff ff 48 3d 00 f0 ff ff 77 69 89 18 c7 40 04 02 40 00 7a 48 8b 55 78 48 8b 92 10 02 00 00 <48> 8b 52 08 48 c7 40 0c 00 00 00 00 83 ca 04 89 50 08 48 8d 50 14
[ 11.828085] RSP: 0018:ffffb5b140a4ba88 EFLAGS: 00010287
[ 11.828089] RAX: ffffb5b150002000 RBX: 0000000002000002 RCX: 000000000001ff68
[ 11.828092] RDX: 0000000000000000 RSI: 00000000000001a8 RDI: 0000000000000150
[ 11.828096] RBP: ffff9a6ef570aac0 R08: 0000000000000001 R09: 0000000000000004
[ 11.828099] R10: ffffb5b140a4ba58 R11: 0000000000000000 R12: ffff9a6ef4da0000
[ 11.828103] R13: ffff9a6ef7527600 R14: 0000000000000000 R15: ffff9a6ef570aac0
[ 11.828107] FS: 00007fdff69628c0(0000) GS:ffff9a6effd00000(0000) knlGS:0000000000000000
[ 11.828111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.828114] CR2: 0000000000000008 CR3: 0000000138bd8000 CR4: 00000000000006e0
[ 11.828117] Call Trace:
[ 11.828159] i915_request_alloc+0x243/0x360 [i915]
[ 11.828197] i915_gem_init+0x284/0x480 [i915]
[ 11.828231] i915_driver_load+0xb22/0xef0 [i915]
[ 11.828239] ? acpi_dev_found+0x5f/0x70
[ 11.828244] local_pci_probe+0x42/0xa0
[ 11.828248] ? pci_assign_irq+0x27/0x130
[ 11.828252] pci_device_probe+0x146/0x1b0
[ 11.828258] driver_probe_device+0x2fa/0x470
[ 11.828266] __driver_attach+0xdc/0x100
[ 11.828269] ? driver_probe_device+0x470/0x470
[ 11.828273] bus_for_each_dev+0x76/0xc0
[ 11.828277] ? klist_add_tail+0x3b/0x70
[ 11.828281] bus_add_driver+0x161/0x260
[ 11.828285] ? 0xffffffffc0c8e000
[ 11.828288] driver_register+0x5b/0xe0
[ 11.828292] ? 0xffffffffc0c8e000
[ 11.828296] do_one_initcall+0x46/0x1c8
[ 11.828301] ? _cond_resched+0x15/0x40
[ 11.828305] ? kmem_cache_alloc_trace+0x15d/0x1c0
[ 11.828309] ? do_init_module+0x22/0x201
[ 11.828313] do_init_module+0x5b/0x201
[ 11.828317] load_module.constprop.56+0x1649/0x1d80
[ 11.828321] ? vfs_read+0x113/0x130
[ 11.828325] ? vfs_read+0x113/0x130
[ 11.828328] ? __do_sys_finit_module+0xe9/0x110
[ 11.828332] __do_sys_finit_module+0xe9/0x110
[ 11.828336] do_syscall_64+0x55/0x110
[ 11.828340] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 11.828344] RIP: 0033:0x7fdff73c6a79
[ 11.828346] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d df 43 0c 00 f7 d8 64 89 01 48
[ 11.828384] RSP: 002b:00007ffc05b6a8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 11.828389] RAX: ffffffffffffffda RBX: 000055b9075f5ba0 RCX: 00007fdff73c6a79
[ 11.828393] RDX: 0000000000000000 RSI: 00007fdff72cccad RDI: 0000000000000012
[ 11.828396] RBP: 00007fdff72cccad R08: 0000000000000000 R09: 0000000000000000
[ 11.828399] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
[ 11.828403] R13: 000055b9075eb1c0 R14: 0000000000020000 R15: 000055b9075f5ba0
[ 11.828406] Modules linked in: i915(+) ipt_REJECT nf_reject_ipv4 snd_hda_codec_analog cfg80211 snd_hda_codec_generic xt_comment xt_multiport crc_ccitt rfkill nft_limit xt_limit snd_hda_intel xt_addrtype kvm_intel snd_hda_codec xt_tcpudp snd_hda_core snd_hwdep video kvm nf_conntrack_ipv4 nf_defrag_ipv4 drm_kms_helper snd_pcm xt_conntrack tg3 snd_timer drm r8169 snd nft_compat libphy iTCO_wdt soundcore irqbypass iTCO_vendor_support mii i2c_algo_bit floppy i2c_i801 nft_counter pcc_cpufreq button acpi_cpufreq nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack nf_tables nfnetlink it87 hwmon_vid coretemp parport_pc lp ip_tables x_tables f2fs crc32_generic xhci_pci xhci_hcd raid0 raid1 raid456 libcrc32c async_raid6_recov async_memcpy async_pq async_xor xor async_tx
[ 11.828473] raid6_pq raid10 md_mod autofs4 ppdev parport sunrpc rng_core sg arc4 ext4 crc16 mbcache jbd2 crc32c_generic fscrypto ecb crypto_simd cryptd glue_helper aes_x86_64 binfmt_misc fuse cpuid usbhid ohci_pci ohci_hcd hid_generic hid uas usb_storage sd_mod ata_generic evdev ata_piix psmouse pcspkr libata ehci_pci uhci_hcd serio_raw ehci_hcd scsi_mod lpc_ich usbcore usb_common
[ 11.828514] CR2: 0000000000000008
[ 11.828533] ---[ end trace 679f3a6d897b885c ]---
[ 11.828572] RIP: 0010:gen4_render_ring_flush+0x55/0xf0 [i915]
[ 11.828576] Code: 00 be 16 00 00 00 48 89 ef e8 87 fe ff ff 48 3d 00 f0 ff ff 77 69 89 18 c7 40 04 02 40 00 7a 48 8b 55 78 48 8b 92 10 02 00 00 <48> 8b 52 08 48 c7 40 0c 00 00 00 00 83 ca 04 89 50 08 48 8d 50 14
[ 11.828614] RSP: 0018:ffffb5b140a4ba88 EFLAGS: 00010287
[ 11.828618] RAX: ffffb5b150002000 RBX: 0000000002000002 RCX: 000000000001ff68
[ 11.828622] RDX: 0000000000000000 RSI: 00000000000001a8 RDI: 0000000000000150
[ 11.828626] RBP: ffff9a6ef570aac0 R08: 0000000000000001 R09: 0000000000000004
[ 11.828629] R10: ffffb5b140a4ba58 R11: 0000000000000000 R12: ffff9a6ef4da0000
[ 11.828633] R13: ffff9a6ef7527600 R14: 0000000000000000 R15: ffff9a6ef570aac0
[ 11.828637] FS: 00007fdff69628c0(0000) GS:ffff9a6effd00000(0000) knlGS:0000000000000000
[ 11.828641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.828644] CR2: 0000000000000008 CR3: 0000000138bd8000 CR4: 00000000000006e0
(...)
Incidently, reportbug on buster is also crashing after selecting the package, sorry for any lack of details it would automatically provide.
Pedro