Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755574Ab1EESAm (ORCPT ); Thu, 5 May 2011 14:00:42 -0400 Received: from mail.tpi.com ([70.99.223.143]:1554 "EHLO mail.tpi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754451Ab1EESAl (ORCPT ); Thu, 5 May 2011 14:00:41 -0400 Message-ID: <4DC2E5C3.2050602@canonical.com> Date: Thu, 05 May 2011 12:00:35 -0600 From: Tim Gardner Reply-To: tim.gardner@canonical.com User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Thunderbird/3.1.10 MIME-Version: 1.0 To: Jesse Barnes CC: Anca Emanuel , kernel-team@lists.ubuntu.com, LKML , Linus Torvalds Subject: Re: Patch not upstream: fix race between open and removal of framebuffers References: <4D9DC39A.2080207@canonical.com> <20110505095656.41bcd946@jbarnes-desktop> In-Reply-To: <20110505095656.41bcd946@jbarnes-desktop> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4429 Lines: 95 On 05/05/2011 10:56 AM, Jesse Barnes wrote: > On Thu, 5 May 2011 19:54:20 +0300 > Anca Emanuel wrote: >> I'm using 2.6.39-rc6 now >> >> I still get: >> [ 21.964367] BUG: unable to handle kernel paging request at 0000010a00000010 >> [ 21.964396] IP: [] fb_release+0x30/0x70 >> [ 21.964410] PGD 0 >> [ 21.964416] Oops: 0000 [#1] SMP >> [ 21.964424] last sysfs file: /sys/devices/virtual/vtconsole/vtcon1/uevent >> [ 21.964434] CPU 1 >> [ 21.964438] Modules linked in: parport_pc ppdev >> snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm >> adt7475 hwmon_vid snd_seq_midi snd_rawmidi snd_seq_midi_event nouveau >> snd_seq snd_timer snd_seq_device ttm drm_kms_helper snd intel_agp >> psmouse soundcore serio_raw intel_gtt snd_page_alloc drm i2c_algo_bit >> video lp parport pata_marvell ahci libahci r8169 mii >> [ 21.964528] >> [ 21.964533] Pid: 221, comm: plymouthd Not tainted 2.6.39-rc6 #7 >> MICRO-STAR INTERNATIONAL CO.,LTD MS-7360/MS-7360 >> [ 21.964548] RIP: 0010:[] [] >> fb_release+0x30/0x70 >> [ 21.964560] RSP: 0018:ffff880037211eb8 EFLAGS: 00010286 >> [ 21.964566] RAX: ffff880037210000 RBX: ffff88007f817000 RCX: 0000000000000001 >> [ 21.964573] RDX: 0000010a00000000 RSI: ffff8800370f5540 RDI: ffff88007f817008 >> [ 21.964580] RBP: ffff880037211ec8 R08: 0000000000000000 R09: 0000000000000000 >> [ 21.964588] R10: ffff8800370f5550 R11: 0000000000000246 R12: ffff88007f817008 >> [ 21.964595] R13: ffff88007d3db540 R14: ffff88007be34d90 R15: ffff88007be34d90 >> [ 21.964604] FS: 00007fb335025720(0000) GS:ffff88007fc80000(0000) >> knlGS:0000000000000000 >> [ 21.964739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 21.964746] CR2: 0000010a00000010 CR3: 000000007b41a000 CR4: 00000000000006e0 >> [ 21.964754] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >> [ 21.964762] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 >> [ 21.964770] Process plymouthd (pid: 221, threadinfo >> ffff880037210000, task ffff880036cd16c0) >> [ 21.964778] Stack: >> [ 21.964782] ffff8800370f5540 0000000000000008 ffff880037211f18 >> ffffffff8115cfaa >> [ 21.964797] ffff8800370f5550 ffff8800793c7b00 ffff88006744fcd0 >> ffff8800370f5540 >> [ 21.964811] ffff88007c3b9080 0000000000000000 000000000000000b >> 0000000000000000 >> [ 21.964825] Call Trace: >> [ 21.964834] [] fput+0xea/0x220 >> [ 21.964842] [] filp_close+0x66/0x90 >> [ 21.964849] [] sys_close+0xb7/0x120 >> [ 21.964858] [] system_call_fastpath+0x16/0x1b >> [ 21.964865] Code: 83 ec 10 48 89 1c 24 4c 89 64 24 08 0f 1f 44 00 >> 00 48 8b 9e a0 00 00 00 4c 8d 63 08 4c 89 e7 e8 d7 ea 29 00 48 8b 93 >> b8 03 00 00 >> [ 21.964944] 8b 42 10 48 85 c0 74 11 be 01 00 00 00 48 89 df ff d0 48 8b >> [ 21.964983] RIP [] fb_release+0x30/0x70 >> [ 21.964992] RSP >> [ 21.964997] CR2: 0000010a00000010 >> >> I can use de PC, but when it wake up from S3, hangs. >> full dmesg at: http://pastebin.com/rhMJrF2x >> uname -a >> Linux ubuntu 2.6.39-rc6 #7 SMP Wed May 4 12:26:39 EEST 2011 x86_64 >> x86_64 x86_64 GNU/Linux >> >> I read that Ubuntu have something like 150 patches NOT upstreamed. Why ? >> And other guys complaining about the hard work they do to maintain >> stable and mainline. >> >> If you not upstream your work, then what is the ideea ? Keep it only >> for Ubuntu users ? >> >> I have the latest Linus git tree, and I applied the patch like this: >> wget http://is.gd/otIfGc >> git apply otIfGc >> >> Linus, if nobody ask you, please apply the patch. >> With Tested-by: Anca Emanuel >> >> full dmesg after the patch: http://pastebin.com/XtNXzgPc >> Tested sleep and wake up from S3. > > Yeah, I'd like to see this fixed too. Without it, everyone on > the latest Ubuntu release will see this bug whenever they try to boot > an upstream kernel. > OK, I've sent it to the references indicated by scripts/get_maintainers.pl rtg -- Tim Gardner tim.gardner@canonical.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/