http://bugzilla.suse.com/show_bug.cgi?id=1006392 Bug ID: 1006392 Summary: with kernel 4.8.3 system freezes after lightdm is started Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: x86-64 OS: Other Status: NEW Severity: Critical Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: michael@stroeder.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- After update to kernel 4.8.3 my system boots but freezes after lightdm is started. After some seconds the "LEDs" are blinking. Booting with 4.7.6 (still installed works). But even with 4.7.6 I see log messages like this: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1969 at ../drivers/gpu/drm/drm_irq.c:1318 drm_wait_one_vblank+0x17c/0x190 [drm] vblank wait timed out on crtc 0 Modules linked in: ebtable_filter ebtables ip6table_filter ip6_tables af_packet ipt_MASQUERADE nf_nat_masquerade_ ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack xt_tcpudp nf_log_ipv4 nf_log_common xt_LOG xt_limit iptable_filter ip_tables x _tables snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support ppdev arc4 coretemp kvm_intel kvm irqbypass snd_hda_intel snd_hda_codec snd_hda_core snd_hwd ep pcspkr snd_pcm joydev i2c_i801 smsc_ircc2 lpc_ich mfd_core irda iwl4965 crc_ccitt iwlegacy mac80211 snd_timer parport_pc parport i915 cfg80211 snd rfkill sky2 drm_kms_hel per fjes drm thermal fujitsu_laptop fb_sys_fops syscopyarea sysfillrect video sysimgblt ac i2c_algo_bit battery soundcore acpi_cpufreq tpm_tis tpm shpchp button dm_crypt xts gf128mul algif_skcipher af_alg hid_generic usbhid sr_mod cdrom ata_generic pcmcia ata_piix serio_raw sdhci_pci sdhci mmc_core yenta_socket pcmcia_rsrc pcmcia_core ehci_pci uhci_hcd ehci_hcd usbcore usb_common dm_mod sg drbg CPU: 1 PID: 1969 Comm: X Tainted: G W 4.7.6-1-default #1 Hardware name: FUJITSU SIEMENS LIFEBOOK E8310/FJNB1CE, BIOS Version 1.14 08/20/2008 0000000000000000 ffffffff81393a74 ffff8800bd863940 0000000000000000 ffffffff8107cb3e ffff8800ca423000 ffff8800bd863990 0000000000000000 000000000000000a ffff880129e08c08 ffff8800c9360000 ffffffff8107cbaf Call Trace: [<ffffffff8102ed5e>] dump_trace+0x5e/0x320 [<ffffffff8102f12c>] show_stack_log_lvl+0x10c/0x180 [<ffffffff8102fe41>] show_stack+0x21/0x40 [<ffffffff81393a74>] dump_stack+0x5c/0x78 [<ffffffff8107cb3e>] __warn+0xbe/0xe0 [<ffffffff8107cbaf>] warn_slowpath_fmt+0x4f/0x60 [<ffffffffc021729c>] drm_wait_one_vblank+0x17c/0x190 [drm] [<ffffffffc043778a>] intel_pre_plane_update+0x12a/0x150 [i915] [<ffffffffc0437fbc>] intel_atomic_commit+0x37c/0x12f0 [i915] [<ffffffffc043e59f>] intel_release_load_detect_pipe+0x1f/0x80 [i915] [<ffffffffc0478d21>] intel_tv_detect+0x341/0x5c0 [i915] [<ffffffffc02a9de4>] drm_helper_probe_single_connector_modes+0x2f4/0x4d0 [drm_kms_helper] [<ffffffffc0222a84>] drm_mode_getconnector+0x324/0x360 [drm] [<ffffffffc02155a1>] drm_ioctl+0x131/0x4c0 [drm] [<ffffffff81222f80>] do_vfs_ioctl+0x90/0x5c0 [<ffffffff81223524>] SyS_ioctl+0x74/0x80 [<ffffffff816bc276>] entry_SYSCALL_64_fastpath+0x1e/0xa8 DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x1e/0xa8 Leftover inexact backtrace: ---[ end trace 361a3527a5f32d00 ]--- With 4.8.3 this looks slightly different, especially X exits. BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffffa30be775>] __wake_up_common+0x25/0x80 PGD 118cc8067 PUD 118cc7067 PMD 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: ebtable_filter ebtables ip6table_filter ip6_tables af_packet ipt_MASQUERADE nf_nat_masquerade_ ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack xt_tcpudp nf_log_ipv4 nf_log_common xt_LOG xt_limit iptable_filter ip_tables x _tables snd_hda_codec_realtek iTCO_wdt iTCO_vendor_support snd_hda_codec_generic arc4 ppdev snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_timer iwl4965 pcspkr iwlegacy i2c_i801 joydev snd i2c_smbus mac80211 lpc_ich mfd_core smsc_ircc2 cfg80211 irda sky2 rfkill shpchp soundcore i915 drm_kms_helpe r parport_pc parport drm thermal fb_sys_fops syscopyarea sysfillrect sysimgblt i2c_algo_bit fjes acpi_cpufreq fujitsu_laptop tpm_tis tpm_tis_core video tpm ac button battery dm_crypt algif_skcipher af_alg hid_generic usbhid sr_mod cdrom ata_generic pcmcia ata_piix serio_raw sdhci_pci sdhci yenta_socket pcmcia_rsrc mmc_core pcmcia_core ehci_pci uhci_hcd ehci_hcd usbcore usb_common dm_mod sg CPU: 1 PID: 1919 Comm: X Tainted: G W 4.8.3-1-default #1 Hardware name: FUJITSU SIEMENS LIFEBOOK E8310/FJNB1CE, BIOS Version 1.14 08/20/2008 task: ffff8ba1e57da100 task.stack: ffff8ba1d8cf0000 RIP: 0010:[<ffffffffa30be775>] [<ffffffffa30be775>] __wake_up_common+0x25/0x80 RSP: 0018:ffff8ba1d8cf38a0 EFLAGS: 00010086 RAX: 0000000000000086 RBX: ffff8ba1e6647e58 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8ba1e6647e58 RBP: ffff8ba1e6647e60 R08: 0000000000000000 R09: 0000000000000036 R10: 0000000000021fd3 R11: 0000000000000005 R12: 0000000000000086 R13: 0000000000000000 R14: 0000000000000003 R15: ffff8ba1e85e01c8 FS: 00007f3452ca6a00(0000) GS:ffff8ba1efd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000012662b000 CR4: 00000000000006e0 Stack: 0000000000000036 ffff8ba1e6647e58 ffff8ba1e6647e50 0000000000000086 0000000000000000 ffff8ba1e85e01b0 ffff8ba1e85e01c8 ffffffffa30bf1d1 ffff8ba1d8c42280 ffff8ba1d8c42280 dead000000000200 ffffffffc0478065 Call Trace: [<ffffffffa30bf1d1>] complete_all+0x31/0x40 [<ffffffffc0478065>] drm_send_event_locked+0x25/0x100 [drm] [<ffffffffc047b094>] drm_vblank_off+0x164/0x210 [drm] [<ffffffffc05ea346>] i9xx_crtc_disable+0x66/0x490 [i915] [<ffffffffc05edd5a>] intel_atomic_commit_tail+0x14a/0x1060 [i915] [<ffffffffc05ef07c>] intel_atomic_commit+0x40c/0x510 [i915] [<ffffffffc05f46cf>] intel_release_load_detect_pipe+0x1f/0x80 [i915] [<ffffffffc062df2a>] intel_tv_detect+0x33a/0x5c0 [i915] [<ffffffffc051adfd>] drm_helper_probe_single_connector_modes+0x26d/0x510 [drm_kms_helper] [<ffffffffc0486314>] drm_mode_getconnector+0x324/0x360 [drm] [<ffffffffc0479913>] drm_ioctl+0x1b3/0x440 [drm] [<ffffffffa322c31f>] do_vfs_ioctl+0x8f/0x5d0 [<ffffffffa322c8d4>] SyS_ioctl+0x74/0x80 [<ffffffffa36d43f6>] entry_SYSCALL_64_fastpath+0x1e/0xa8 DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x1e/0xa8 2016-10-22T21:51:49.744469+02:00 nb2 kernel: [ 54.250115] Leftover inexact backtrace: 2016-10-22T21:51:49.744473+02:00 nb2 kernel: [ 54.250115] Code: 66 0f 1f 44 00 00 66 66 66 66 90 41 57 41 56 41 89 f6 41 55 41 54 55 53 48 8d 6f 08 48 83 ec 08 89 54 24 04 48 8b 57 08 48 39 d5 <48> 8b 32 74 43 48 8d 42 e8 4c 8d 7e e8 41 89 cd 4d 89 c4 8b 18 RIP [<ffffffffa30be775>] __wake_up_common+0x25/0x80 RSP <ffff8ba1d8cf38a0> CR2: 0000000000000000 ---[ end trace fc00c8c46ae49254 ]--- note: X[1919] exited with preempt_count 2 -- You are receiving this mail because: You are on the CC list for the bug.