On Friday, 5 of September 2008, Mariusz Kozlowski wrote: > Hello, > > Again 100% reproducible rmmod ide-cd_mod problem. Kernel is tainted because > of earlier sysfs acpi problems similar (probably identical) to those reported > by Li Zefan here http://marc.info/?l=linux-kernel&m=121921059026064&w=2 > > Steps to reproduce: unload ide-cd_mod > > kobject (dd9e4a7c): tried to init an initialized object, something is seriously wrong. > Pid: 4734, comm: modprobe Tainted: G W 2.6.27-rc5-mm1 #1 > [<c01ec982>] kobject_init+0xc4/0xc9 > [<c02cb84a>] ? _spin_unlock+0x27/0x3f > [<c01aff2e>] ? sysfs_find_dirent+0x21/0x2b > [<c01aff7e>] ? __sysfs_add_one+0x46/0x6d > [<c01affb4>] ? sysfs_add_one+0xf/0x44 > [<c01b0036>] ? sysfs_addrm_start+0x4d/0x90 > [<c01b0f31>] ? sysfs_do_create_link+0x9a/0x14c > [<c01ec9c5>] kobject_init_and_add+0x14/0x30 > [<c01b1009>] ? sysfs_create_link+0x12/0x19 > [<c01e8bad>] blk_register_filter+0x3b/0x46 > [<ded9e40a>] ide_cd_probe+0x253/0x5a8 [ide_cd_mod] > [<c01b0000>] ? sysfs_addrm_start+0x17/0x90 > [<c01b0f31>] ? sysfs_do_create_link+0x9a/0x14c > [<c01b004e>] ? sysfs_addrm_start+0x65/0x90 > [<c025145f>] generic_ide_probe+0x1f/0x21 > [<c024c002>] driver_probe_device+0x77/0x15b > [<c02cb91b>] ? _spin_unlock_irqrestore+0x39/0x60 > [<c024c146>] __driver_attach+0x60/0x62 > [<c024b7bd>] bus_for_each_dev+0x44/0x62 > [<c0251461>] ? generic_ide_remove+0x0/0x1e > [<c024bead>] driver_attach+0x19/0x1b > [<c024c0e6>] ? __driver_attach+0x0/0x62 > [<c024bca8>] bus_add_driver+0x1ab/0x213 > [<c0251461>] ? generic_ide_remove+0x0/0x1e > [<c024c291>] driver_register+0x4f/0x118 > [<de7bf000>] ? ide_cdrom_init+0x0/0xf [ide_cd_mod] > [<de7bf00d>] ide_cdrom_init+0xd/0xf [ide_cd_mod] > [<c0101114>] do_one_initcall+0x24/0x12f > [<c02c9d8e>] ? mutex_unlock+0x8/0xa > [<c01455ca>] sys_init_module+0xa5/0x1c1 > [<c0176a0a>] ? sys_read+0x3d/0x64 > [<c01030f1>] sysenter_do_call+0x12/0x35 > [<c012007b>] ? __set_special_pids+0x43/0x71 > > First time I modprobe/rmmod ide-cd_mod the system works but quickly gets unstable. > Second modprobe/rmmod is 100% fatal. Memory gets corruped seriously I guess. > pcspeaker beeps all the time, kernel throws dumps on the screen until > its really dead, sadly blinking 'leds of panic' ;) Can you please verify if that happens with the current mainline? Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html