Hi, Sometimes, when removing the g_file_storage module, i got that : --- Jun 5 15:58:42 coyote klogd: BUG: unable to handle kernel NULL pointer dereference at 00000010 Jun 5 15:58:42 coyote klogd: IP: [<f82876f6>] ext3_sync_file+0x16/0x110 [ext3] Jun 5 15:58:42 coyote klogd: *pde = 00000000 Jun 5 15:58:42 coyote klogd: Oops: 0000 [#1] SMP Jun 5 15:58:42 coyote klogd: last sysfs file: /sys/module/g_file_storage/refcnt Jun 5 15:58:42 coyote klogd: Modules linked in: vboxdrv(F) nls_iso8859_1 nls_cp437 vfat fat g_file_storage(-) dummy_hcd nfs lockd fscache nfs_acl auth_rpcgss sunrpc af_packet binfmt_misc loop nls_utf8 ntfs fuse dm_mod cpufreq_ondemand cpufreq_conservative cpufreq_powersave powernow_k8 freq_table mperf snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm snd_timer snd_mixer_oss snd soundcore wacom usbhid hid i2c_viapro usb_storage snd_page_alloc i2c_core shpchp atl1 uhci_hcd pci_hotplug mii evdev ehci_hcd sr_mod thermal sg asus_atk0110 pcspkr processor button k8temp serio_raw floppy usbcore sata_via aic7xxx scsi_transport_spi ide_generic ata_generic ide_pci_generic pata_acpi via82cxxx ide_gd_mod ide_core pata_via libata sd_mod scsi_mod crc_t10dif ext3 jbd [last unloaded: scsi_wait_scan] Jun 5 15:58:42 coyote klogd: Jun 5 15:58:42 coyote klogd: Pid: 10236, comm: file-storage-ga Tainted: GF 2.6.34-next-20100528filestorage+ #2 M2V/System Product Name Jun 5 15:58:42 coyote klogd: EIP: 0060:[<f82876f6>] EFLAGS: 00010246 CPU: 1 Jun 5 15:58:42 coyote klogd: EIP is at ext3_sync_file+0x16/0x110 [ext3] Jun 5 15:58:42 coyote klogd: EAX: f637c800 EBX: 00000000 ECX: 00000001 EDX: 00000000 Jun 5 15:58:42 coyote klogd: ESI: 00000000 EDI: f829a460 EBP: c3ea9e2c ESP: c3ea9e1c Jun 5 15:58:42 coyote klogd: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Jun 5 15:58:42 coyote klogd: Process file-storage-ga (pid: 10236, ti=c3ea8000 task=c433bd90 task.ti=c3ea8000) Jun 5 15:58:42 coyote klogd: Stack: Jun 5 15:58:42 coyote klogd: c3ea9e2c f637c800 00000000 f829a460 c3ea9e50 c020de71 ffffffff 7fffffff Jun 5 15:58:42 coyote klogd: <0> c32508ec 000000d8 00000001 00000005 f613fa00 c3ea9e64 c020df37 ffffffff Jun 5 15:58:42 coyote klogd: <0> 7fffffff 00000001 c3ea9e6c f8263650 c3ea9f14 f8265a34 00000202 c3ea9e80 Jun 5 15:58:42 coyote klogd: Call Trace: Jun 5 15:58:42 coyote klogd: [<c020de71>] ? vfs_fsync_range+0x71/0x90 Jun 5 15:58:42 coyote klogd: [<c020df37>] ? vfs_fsync+0x27/0x30 Jun 5 15:58:42 coyote klogd: [<f8263650>] ? fsg_lun_fsync_sub+0x20/0x30 [g_file_storage] Jun 5 15:58:42 coyote klogd: [<f8265a34>] ? handle_exception+0x284/0x3a0 [g_file_storage] Jun 5 15:58:42 coyote klogd: [<f82636b1>] ? sleep_thread+0x51/0x90 [g_file_storage] Jun 5 15:58:42 coyote klogd: [<f8265005>] ? get_next_command+0x115/0x410 [g_file_storage] Jun 5 15:58:42 coyote klogd: [<f82648cb>] ? send_status+0x16b/0x220 [g_file_storage] Jun 5 15:58:42 coyote klogd: [<f8265c4f>] ? fsg_main_thread+0xff/0x14c0 [g_file_storage] Jun 5 15:58:42 coyote klogd: [<c0134f06>] ? can_nice+0x16/0x40 Jun 5 15:58:42 coyote klogd: [<c042538a>] ? schedule+0x37a/0x7a0 Jun 5 15:58:42 coyote klogd: [<f8265b50>] ? fsg_main_thread+0x0/0x14c0 [g_file_storage] Jun 5 15:58:42 coyote klogd: [<f8265b50>] ? fsg_main_thread+0x0/0x14c0 [g_file_storage] Jun 5 15:58:42 coyote klogd: [<c015ce24>] ? kthread+0x74/0x80 Jun 5 15:58:42 coyote klogd: [<c015cdb0>] ? kthread+0x0/0x80 Jun 5 15:58:42 coyote klogd: [<c01041fe>] ? kernel_thread_helper+0x6/0x10 Jun 5 15:58:42 coyote klogd: Code: d1 df ff ff 89 f8 e8 9a e9 19 c8 8b 55 f0 eb 88 90 90 90 90 90 55 89 e5 83 ec 10 89 5d f4 89 75 f8 89 7d fc 0f 1f 44 00 00 31 db <8b> 72 10 8b 86 a4 00 00 00 8b 90 80 01 00 00 f6 40 30 01 8b ba Jun 5 15:58:42 coyote klogd: EIP: [<f82876f6>] ext3_sync_file+0x16/0x110 [ext3] SS:ESP 0068:c3ea9e1c Jun 5 15:58:42 coyote klogd: CR2: 0000000000000010 Jun 5 15:58:42 coyote klogd: ---[ end trace 3eff52227078360a ]--- --- This one hit me on the first removing, but i've already seen this after several successful insert/remove. The problem also arised with a mandriva 2.6.31 kernel rebuild from src.rpm. -- Yann Cantin A4FEB47F -- -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
