Package: kernel Version: SMP Debian 4.4.6-1 (2016-03-17) x86_64 GNU/Linux Severity: normal
--- Please enter the report below this line. --- When entering hibernate or suspend or logging off I almost always get a kernel bug and the system (Thinkpad T61) freezes. I find these lines in the logfile in this situation: Apr 03 22:04:15 haktar kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000060 Apr 03 22:04:18 haktar kernel: IP: [<ffffffffa0650ad7>] intel_fb_obj_invalidate+0x17/0xf0 [i915] Apr 03 22:04:19 haktar kernel: PGD 0 Apr 03 22:04:19 haktar kernel: Oops: 0000 [#1] SMP Apr 03 22:04:19 haktar kernel: Modules linked in: sha256_ssse3 sha256_generic hmac drbg ansi_cprng ctr ccm appletalk ax25 ipx p8023 p8022 psnap llc nfsd auth_r Apr 03 22:04:21 haktar kernel: 8250_fintek drm video i2c_algo_bit tpm_tis button tpm processor evdev joydev tun hdaps input_polldev arc4 iwl3945 iwlegacy mac8 Apr 03 22:04:21 haktar kernel: CPU: 0 PID: 1736 Comm: Xorg Not tainted 4.4.0-1-amd64 #1 Debian 4.4.6-1 Apr 03 22:04:22 haktar kernel: Hardware name: LENOVO 64665DG/64665DG, BIOS 7LETC6WW (2.26 ) 05/11/2009 Apr 03 22:04:23 haktar kernel: task: ffff880036b60400 ti: ffff8800bae44000 task.ti: ffff8800bae44000 Apr 03 22:04:23 haktar kernel: RIP: 0010:[<ffffffffa0650ad7>] [<ffffffffa0650ad7>] intel_fb_obj_invalidate+0x17/0xf0 [i915] Apr 03 22:04:23 haktar kernel: RSP: 0018:ffff8800bae47aa8 EFLAGS: 00010246 Apr 03 22:04:23 haktar kernel: RAX: ffff880036b60400 RBX: ffff880036fd8f00 RCX: ffff8801aee81d00 Apr 03 22:04:23 haktar kernel: RDX: ffff880135b29400 RSI: 0000000000000000 RDI: ffff880036fd8f00 Apr 03 22:04:23 haktar kernel: RBP: 0000000000000000 R08: ffffea0000022d1f R09: 0000000000000003 Apr 03 22:04:23 haktar kernel: R10: ffff880018febc60 R11: ffff88000baacc20 R12: 0000000000000000 Apr 03 22:04:23 haktar kernel: R13: ffff8800b8d03060 R14: 0000000000000080 R15: ffff8800b8d03000 Apr 03 22:04:23 haktar kernel: FS: 00007fdfecf9ea00(0000) GS:ffff88013bc00000(0000) knlGS:0000000000000000 Apr 03 22:04:23 haktar kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Apr 03 22:04:23 haktar kernel: CR2: 0000000000000060 CR3: 0000000135cd8000 CR4: 00000000000006f0 Apr 03 22:04:23 haktar kernel: Stack: Apr 03 22:04:23 haktar kernel: ffff8800b8a72400 0000000000000000 0000000000200001 ffff8800b8d03060 Apr 03 22:04:23 haktar kernel: 0000000000000080 ffffffffa065a4a0 0000000035798280 ffff8800bae47c78 Apr 03 22:04:23 haktar kernel: ffffffff8135e6d8 0000000000000000 ffff8800bae47b84 ffff8800bae47b84 Apr 03 22:04:23 haktar kernel: Call Trace: Apr 03 22:04:23 haktar kernel: [<ffffffffa065a4a0>] ? intel_fbdev_set_par+0x40/0x60 [i915] Apr 03 22:04:23 haktar kernel: [<ffffffff8135e6d8>] ? fb_set_var+0x208/0x400 Apr 03 22:04:23 haktar kernel: [<ffffffff811ec056>] ? do_sys_poll+0x146/0x560 Apr 03 22:04:23 haktar kernel: [<ffffffff810a8386>] ? update_curr+0xb6/0x130 Apr 03 22:04:23 haktar kernel: [<ffffffff810ab5e9>] ? enqueue_entity+0x359/0x9b0 Apr 03 22:04:23 haktar kernel: [<ffffffff813550c1>] ? fbcon_blank+0x2f1/0x330 Apr 03 22:04:23 haktar kernel: [<ffffffff810a87f0>] ? check_preempt_wakeup+0xe0/0x1e0 Apr 03 22:04:23 haktar kernel: [<ffffffff813d1428>] ? do_unblank_screen+0xd8/0x1a0 Apr 03 22:04:23 haktar kernel: [<ffffffff813c6ae4>] ? complete_change_console+0x54/0xd0 Apr 03 22:04:23 haktar kernel: [<ffffffff813c7238>] ? vt_ioctl+0x6d8/0x1290 Apr 03 22:04:23 haktar kernel: [<ffffffffa04bf452>] ? drm_ioctl+0x162/0x4c0 [drm] Apr 03 22:04:23 haktar kernel: [<ffffffff813bae6c>] ? tty_ioctl+0x33c/0xbf0 Apr 03 22:04:23 haktar kernel: [<ffffffff81196af1>] ? handle_mm_fault+0x10b1/0x1710 Apr 03 22:04:23 haktar kernel: [<ffffffff811ea25e>] ? do_vfs_ioctl+0x2ae/0x490 Apr 03 22:04:23 haktar kernel: [<ffffffff811ea4b4>] ? SyS_ioctl+0x74/0x80 Apr 03 22:04:23 haktar kernel: [<ffffffff8158ec32>] ? system_call_fast_compare_end+0xc/0x67 Apr 03 22:04:23 haktar kernel: Code: 41 5e e9 bd f7 ff ff 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 41 56 41 55 41 54 55 41 89 f4 53 48 8b 6f 08 48 Apr 03 22:04:23 haktar kernel: RIP [<ffffffffa0650ad7>] intel_fb_obj_invalidate+0x17/0xf0 [i915] Apr 03 22:04:24 haktar kernel: RSP <ffff8800bae47aa8> Apr 03 22:04:24 haktar kernel: CR2: 0000000000000060 Apr 03 22:04:24 haktar kernel: ---[ end trace cb27ca4add0222dd ]--- The log is quite old, because usually I see only the lines: Apr 16 15:15:16 haktar kernel: BUG: unable to handle kernel Apr 16 15:15:16 haktar kernel: NULL pointer dereference Apr 16 15:15:16 haktar kernel: at 0000000000000060 Apr 16 15:15:16 haktar kernel: IP: -- Reboot -- --- System information. --- Architecture: amd64 Kernel: Linux 4.4.0-1-amd64 Debian Release: stretch/sid 700 testing www.deb-multimedia.org 700 testing security.debian.org 700 testing ftp2.de.debian.org 600 unstable ftp2.de.debian.org 500 utopic ppa.launchpad.net 500 saucy ppa.launchpad.net 500 grml-testing deb.grml.org --- Package information. --- Package's Depends field is empty. Package's Recommends field is empty. Package's Suggests field is empty. -- Markus Grunwald https://www.the-grue.de Fragen zur Mail? https://www.the-grue.de/mail_und_co https://www.the-grue.de/~markus/markus_grunwald.gpg
