https://bugzilla.novell.com/show_bug.cgi?id=732908 https://bugzilla.novell.com/show_bug.cgi?id=732908#c4 --- Comment #4 from Andreas Hartmann <andihartmann@freenet.de> 2011-12-05 14:47:09 UTC --- Today. the machine emitted during checking the md5sums of some directories after resume this oops: Dec 5 14:43:33 notebook2 kernel: [ 4463.174181] BUG: unable to handle kernel NULL pointer dereference at 0000000000000060 Dec 5 14:43:33 notebook2 kernel: [ 4463.174225] IP: [<ffffffff810f9e81>] sys_fadvise64_64+0xb1/0x260 Dec 5 14:43:33 notebook2 kernel: [ 4463.174256] PGD a537067 PUD 608f9067 PMD 0 Dec 5 14:43:33 notebook2 kernel: [ 4463.174281] Oops: 0000 [#1] PREEMPT SMP Dec 5 14:43:33 notebook2 kernel: [ 4463.174312] CPU 2 Dec 5 14:43:33 notebook2 kernel: [ 4463.174323] Modules linked in: af_packet cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf microcode sr_mod sg cdrom joydev arc4 battery ac snd_hda_codec_hdmi wmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm ath9k_common ath9k_hw iTCO_wdt ath iTCO_vendor_support cfg80211 r8169 snd_timer snd soundcore snd_page_alloc pcspkr msi_laptop sparse_keymap intel_ips rfkill i2c_i801 autofs4 reiserfs sha256_generic cbc dm_crypt dm_mod linear i915 drm_kms_helper drm i2c_algo_bit fan thermal button video processor thermal_sys [last nloaded: mac80211] Dec 5 14:43:33 notebook2 kernel: [ 4463.174697] Dec 5 14:43:33 notebook2 kernel: [ 4463.174707] Pid: 12826, comm: md5sum Not tainted 3.1.0-1.2-desktop #1 Micro-Star International CR620/CR620 Dec 5 14:43:33 notebook2 kernel: [ 4463.174751] RIP: 0010:[<ffffffff810f9e81>] [<ffffffff810f9e81>] sys_fadvise64_64+0xb1/0x260 Dec 5 14:43:33 notebook2 kernel: [ 4463.174784] RSP: 0018:ffff88000b2adf48 EFLAGS: 00010282 Dec 5 14:43:33 notebook2 kernel: [ 4463.174805] RAX: 0000000000000000 RBX: ffff88005a721780 RCX: 0000000000000001 Dec 5 14:43:33 notebook2 kernel: [ 4463.174831] RDX: 0000000000000001 RSI: ffff88005a7217b0 RDI: 0000000000000004 Dec 5 14:43:33 notebook2 kernel: [ 4463.174856] RBP: ffff88006fc155a8 R08: 0000000000000008 R09: 0000000000000001 Dec 5 14:43:33 notebook2 kernel: [ 4463.174882] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 Dec 5 14:43:33 notebook2 kernel: [ 4463.174907] R13: ffffffffffffffe3 R14: 0000000000000000 R15: 0000000000000002 Dec 5 14:43:33 notebook2 kernel: [ 4463.174932] FS: 00007fda3ab82700(0000) GS:ffff880076c80000(0000) knlGS:0000000000000000 Dec 5 14:43:33 notebook2 kernel: [ 4463.174960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Dec 5 14:43:33 notebook2 kernel: [ 4463.174982] CR2: 0000000000000060 CR3: 0000000062801000 CR4: 00000000000006e0 Dec 5 14:43:33 notebook2 kernel: [ 4463.175011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Dec 5 14:43:33 notebook2 kernel: [ 4463.175036] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Dec 5 14:43:33 notebook2 kernel: [ 4463.175062] Process md5sum (pid: 12826, threadinfo ffff88000b2ac000, task ffff88000a622080) Dec 5 14:43:33 notebook2 kernel: [ 4463.175090] Stack: Dec 5 14:43:33 notebook2 kernel: [ 4463.175101] 0000000000000020 000000000060a980 000000000060a922 00007fff0e907c00 Dec 5 14:43:33 notebook2 kernel: [ 4463.175136] 0000000000000000 000000000060a900 0000000000000020 ffffffff815a3292 Dec 5 14:43:33 notebook2 kernel: [ 4463.175171] 0000000000000246 0000000000000002 0000000000000001 0000000000000008 Dec 5 14:43:33 notebook2 kernel: [ 4463.175206] Call Trace: Dec 5 14:43:33 notebook2 kernel: [ 4463.175227] [<ffffffff815a3292>] system_call_fastpath+0x16/0x1b Dec 5 14:43:33 notebook2 kernel: [ 4463.175254] [<00007fda3a6bf6cd>] 0x7fda3a6bf6cc Dec 5 14:43:33 notebook2 kernel: [ 4463.175271] Code: 24 10 4c 8b 64 24 18 4c 8b 6c 24 20 4c 8b 74 24 28 4c 8b 7c 24 30 48 83 c4 38 c3 0f 1f 80 00 00 00 00 48 85 ed 74 bf 48 8b 45 70 Dec 5 14:43:33 notebook2 kernel: [ 4463.175567] RIP [<ffffffff810f9e81>] sys_fadvise64_64+0xb1/0x260 Dec 5 14:43:33 notebook2 kernel: [ 4463.175592] RSP <ffff88000b2adf48> Dec 5 14:43:33 notebook2 kernel: [ 4463.175607] CR2: 0000000000000060 Dec 5 14:43:33 notebook2 kernel: [ 4463.232398] ---[ end trace e441b303b45dc39e ]--- A few seconds later, the machine crashed completely. Meanwhile, I got some more broken files after resume. I detected, that the files could be "repaired" by issuing the following command: echo "1" > /proc/sys/vm/drop_caches -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.