From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx166.postini.com [74.125.245.166]) by kanga.kvack.org (Postfix) with SMTP id 8355B6B13F0 for ; Mon, 13 Feb 2012 03:08:49 -0500 (EST) Message-ID: <4F38C502.40306@gmx.de> Date: Mon, 13 Feb 2012 08:08:34 +0000 From: Florian Tobias Schandinat MIME-Version: 1.0 Subject: BUG: scheduling while atomic Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: LKML Cc: linux-mm@kvack.org, Jens Axboe Hi all, since I upgraded to 3.3-rc3 I received this bug. Probably a regression although I also recently updated git, so I can't say for sure. It looks like it happens quite often here when doing git push in kernel trees. [19313.126490] BUG: scheduling while atomic: git/3379/0x00000002 [19313.131251] Modules linked in: rtl8187 eeprom_93cx6 snd_hda_codec_realtek fbcon font bitblit softcursor snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc i2c_viapro ehci_hcd uhci_hcd video viafb(O) fb fbdev i2c_algo_bit cfbcopyarea cfbimgblt cfbfillrect [19313.131479] Pid: 3379, comm: git Tainted: G O 3.3.0-rc3+ #2 [19313.131506] Call Trace: [19313.131558] [] __schedule_bug+0x67/0x70 [19313.131607] [] __schedule+0x537/0x570 [19313.131660] [] ? __blk_run_queue+0x14/0x20 [19313.131697] [] ? queue_unplugged+0x51/0x70 [19313.131743] [] schedule+0x32/0x50 [19313.131780] [] io_schedule+0x32/0x50 [19313.131824] [] sleep_on_page_killable+0x8/0x30 [19313.131863] [] __wait_on_bit+0x47/0x70 [19313.131900] [] ? sleep_on_page+0x10/0x10 [19313.131941] [] wait_on_page_bit_killable+0x98/0xb0 [19313.131988] [] ? autoremove_wake_function+0x50/0x50 [19313.132053] [] __lock_page_or_retry+0x84/0xa0 [19313.132094] [] filemap_fault+0x267/0x3a0 [19313.132137] [] __do_fault+0x66/0x4a0 [19313.132182] [] ? read_cache_page+0x20/0x20 [19313.132219] [] handle_pte_fault+0x8b/0x830 [19313.132271] [] ? prio_tree_insert+0x209/0x280 [19313.132321] [] ? pte_alloc_one+0x1e/0x40 [19313.132356] [] ? __pte_alloc+0x6d/0xc0 [19313.132393] [] handle_mm_fault+0xcf/0x120 [19313.132436] [] do_page_fault+0x150/0x3d0 [19313.132524] [] ? vma_link+0xc4/0xd0 [19313.132560] [] ? do_brk+0x2a5/0x350 [19313.132596] [] ? do_brk+0x246/0x350 [19313.132635] [] ? mm_fault_error+0x1e0/0x1e0 [19313.132671] [] error_code+0x58/0x60 [19313.132712] [] ? mm_fault_error+0x1e0/0x1e0 [19313.132752] [] ? clear_user+0x32/0x50 [19313.132796] [] load_elf_binary+0x905/0x1a10 [19313.132845] [] ? lru_cache_add_lru+0x25/0x40 [19313.132897] [] ? pte_alloc_one+0x1e/0x40 [19313.132934] [] ? strrchr+0xe/0x30 [19313.132972] [] ? load_misc_binary+0x16e/0x3e0 [19313.133013] [] ? __get_user_pages+0xe3/0x410 [19313.133077] [] ? get_user_pages+0x57/0x70 [19313.133124] [] search_binary_handler+0xfa/0x310 [19313.133167] [] ? elf_map+0x130/0x130 [19313.133204] [] do_execve+0x2b5/0x360 [19313.133249] [] sys_execve+0x4a/0x70 [19313.133286] [] ptregs_execve+0x12/0x18 [19313.133321] [] ? sysenter_do_call+0x12/0x26 [19313.133521] note: git[3379] exited with preempt_count 1 Any suggestions/ideas/fixes? Best regards, Florian Tobias Schandinat -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org