From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bojan Smojver Subject: Re: Memory corruption on hibernate/thaw with KMS Date: Mon, 10 Oct 2011 21:05:18 +1100 Message-ID: <1318241119.1901.1.camel@shrek.rexursive.com> References: <1317103928.1981.5.camel@shrek.rexursive.com> <1318230907.2019.4.camel@shrek.rexursive.com> <20111010075306.GC3021@phenom.ffwll.local> <1318234738.2010.8.camel@shrek.rexursive.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from beauty.rexursive.com (beauty.rexursive.com [150.101.121.179]) by gabe.freedesktop.org (Postfix) with ESMTP id AB7219E709 for ; Mon, 10 Oct 2011 03:05:10 -0700 (PDT) In-Reply-To: <1318234738.2010.8.camel@shrek.rexursive.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Daniel Vetter Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Mon, 2011-10-10 at 19:18 +1100, Bojan Smojver wrote: > I will try and let you know. From what I've seen at some other bugs, > it helped some people, but not others. After about 20 cycles, got: ----------------------------------------------- [ 173.834896] BUG: unable to handle kernel NULL pointer dereference at (null) [ 173.837583] IP: [] shmem_evict_inode+0x8b/0xd5 [ 173.840247] PGD 225d9f067 PUD 22c3ca067 PMD 0 [ 173.842880] Oops: 0000 [#1] SMP [ 173.845474] CPU 1 [ 173.845491] Modules linked in: fuse ppdev parport_pc lp parport bnep bluetooth sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf arc4 iwlagn mac80211 snd_hda_codec_hdmi snd_hda_codec_conexant qcserial snd_hda_intel snd_hda_codec usb_wwan snd_hwdep snd_seq cfg80211 uvcvideo videodev snd_seq_device media snd_pcm thinkpad_acpi e1000e snd_timer mxm_wmi pcspkr v4l2_compat_ioctl32 rfkill iTCO_wdt iTCO_vendor_support snd i2c_i801 intel_ips joydev snd_page_alloc soundcore wmi microcode ipv6 sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 173.858814] [ 173.861482] Pid: 4826, comm: rm Not tainted 3.1.0-rc9+ #105 LENOVO 4313CTO/4313CTO [ 173.864162] RIP: 0010:[] [] shmem_evict_inode+0x8b/0xd5 [ 173.866713] RSP: 0018:ffff88022c47de08 EFLAGS: 00010246 [ 173.869182] RAX: 000000004e92c20b RBX: ffff880228765f10 RCX: 0000000000038478 [ 173.871654] RDX: 0000000012e1ecfd RSI: ffffffffffffffff RDI: ffffffff81d64300 [ 173.874125] RBP: ffff88022c47de28 R08: 000000000000000e R09: 0000000000000000 [ 173.876540] R10: 0000000000000000 R11: ffffea0007afaf40 R12: 0000000000000000 [ 173.878834] R13: ffffffff81613c70 R14: ffff880228765f00 R15: 0000000000000000 [ 173.881140] FS: 00007fbef7ac4720(0000) GS:ffff88023bc80000(0000) knlGS:0000000000000000 [ 173.883483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.885822] CR2: 0000000000000000 CR3: 000000022c337000 CR4: 00000000000006e0 [ 173.888202] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 173.890595] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 173.892968] Process rm (pid: 4826, threadinfo ffff88022c47c000, task ffff880229aadc80) [ 173.895369] Stack: [ 173.897756] ffff880228765f10 ffff880228766010 ffffffff81613c70 00007fffdf431330 [ 173.900193] ffff88022c47de58 ffffffff8113b944 ffff880228766000 ffff880228765f10 [ 173.902662] ffff88022aae9c00 ffffffff81613c70 ffff88022c47de88 ffffffff8113bb74 [ 173.905117] Call Trace: [ 173.907532] [] evict+0x93/0x149 [ 173.909943] [] iput+0x17a/0x182 [ 173.912345] [] do_unlinkat+0x110/0x15f [ 173.914742] [] ? path_put+0x1f/0x23 [ 173.917132] [] ? audit_syscall_entry+0x145/0x171 [ 173.919509] [] sys_unlinkat+0x29/0x2b [ 173.921882] [] system_call_fastpath+0x16/0x1b [ 173.924223] Code: 44 f1 15 00 4c 89 63 e0 4c 89 63 e8 48 c7 c7 80 55 a3 81 e8 92 5a 3a 00 eb 09 48 8b 7f c8 e8 47 67 02 00 4c 8b 63 f0 4c 8d 73 f0 <4d> 8b 2c 24 eb 19 49 8b 7c 24 10 e8 2f 67 02 00 4c 89 e7 4d 89 [ 173.929579] RIP [] shmem_evict_inode+0x8b/0xd5 [ 173.932226] RSP [ 173.934866] CR2: 0000000000000000 [ 173.951595] ---[ end trace b2877a78c7f8d86f ]--- ----------------------------------------------- Which may or may not be corruption. Will have to test more. -- Bojan