From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 27652] 38-rc1: umount+rmmod cause ext4 error. Date: Fri, 28 Jan 2011 06:01:11 GMT Message-ID: <201101280601.p0S61Ben007804@demeter2.kernel.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" To: linux-ext4@vger.kernel.org Return-path: Received: from demeter2.kernel.org ([140.211.167.42]:36597 "EHLO demeter2.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752874Ab1A1GBM (ORCPT ); Fri, 28 Jan 2011 01:01:12 -0500 Received: from demeter2.kernel.org (localhost.localdomain [127.0.0.1]) by demeter2.kernel.org (8.14.4/8.14.3) with ESMTP id p0S61Bl6007819 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 28 Jan 2011 06:01:11 GMT In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: https://bugzilla.kernel.org/show_bug.cgi?id=27652 Tao Ma changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tm@tao.ma --- Comment #2 from Tao Ma 2011-01-28 06:01:10 --- ok, so I have applied the 2 patches. And now I did hit another bug every time, I have tried to revert these 2 patches. And it still show up every time. I use 38-rc2 now. So Maciej, is it necessary to open another bug for it? BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 IP: [] _raw_spin_lock_irqsave+0x11/0x22 PGD 12292c067 PUD 10fdb6067 PMD 0 Oops: 0002 [#1] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:19.0/irq CPU 1 Modules linked in: ext4(-) jbd2 ipv6 autofs4 hidp rfcomm l2cap crc16 bluetooth rfkill ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs lockd sunrpc cpufreq_ondemand acpi_cpufreq dm_mirror video sbs sbshc battery acpi_memhotplug ac lp sg snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm option usb_wwan usbserial rtc_cmos tpm_tis snd_timer snd soundcore tpm pcspkr i2c_i801 parport_pc e1000e serio_raw dcdbas shpchp rtc_core rtc_lib i2c_core parport snd_page_alloc button tpm_bios dm_region_hash dm_log dm_mod usb_storage ahci libahci libata sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode] Pid: 4015, comm: rmmod Not tainted 2.6.38-rc2+ #30 0V4W66/OptiPlex 780 RIP: 0010:[] [] _raw_spin_lock_irqsave+0x11/0x22 RSP: 0018:ffff88010fdbbe48 EFLAGS: 00010046 RAX: 0000000000000246 RBX: ffff88010fdbbe98 RCX: 00000000c0000100 RDX: 0000000000000100 RSI: ffff88010fdbbe98 RDI: 0000000000000020 RBP: ffff88010fdbbe48 R08: ffff88010fdba000 R09: ffff8800cfa0da70 R10: ffffffff82069498 R11: 0000000000000000 R12: 0000000000000020 R13: 0000000000000002 R14: 00007fffa52c5c60 R15: 0000000000000880 FS: 00007f7dd0d016e0(0000) GS:ffff8800cfa40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000020 CR3: 000000011dc48000 CR4: 00000000000406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process rmmod (pid: 4015, threadinfo ffff88010fdba000, task ffff88012271e180) Stack: ffff88010fdbbe88 ffffffff82055ee2 ffffffff82069498 ffff88010fdbbe98 ffff88010fdbbe98 ffffffffa04d8440 0000000000000880 00007fffa52c5c60 ffff88010fdbbed8 ffffffffa04ca2cc 0000000000000000 ffff88012271e180 Call Trace: [] prepare_to_wait+0x25/0x7b [] ? __try_stop_module+0x0/0x3d [] ext4_exit_fs+0x94/0x112 [ext4] [] ? autoremove_wake_function+0x0/0x3d [] sys_delete_module+0x1b5/0x218 [] ? audit_syscall_entry+0x187/0x1ba [] system_call_fastpath+0x16/0x1b Code: 1f 44 00 00 b8 00 01 00 00 f0 66 0f c1 07 38 e0 74 06 f3 90 8a 07 eb f6 c9 c3 55 48 89 e5 0f 1f 44 00 00 9c 58 fa ba 00 01 00 00 66 0f c1 17 38 f2 74 06 f3 90 8a 17 eb f6 c9 c3 55 48 89 e5 RIP [] _raw_spin_lock_irqsave+0x11/0x22 RSP CR2: 0000000000000020 ---[ end trace ec9d834b678544aa ]--- -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug.