On Wed, 29 Dec 2010 22:27:50 +0100 (CET) Roland Kletzing wrote: > Hello, > > i assume this is not expected behaviour. > see below > kernel is 2.6.37-rc7 > > regards > roland > > > [r...@ubuntu]:~# modprobe mem2mem_testdev;modprobe -r > mem2mem_testdev;modprobe mem2mem_testdevKilled > > [ 80.266552] m2m-testdev m2m-testdev.0: mem2mem-testdevDevice registered as > /dev/video0[ 80.292786] m2m-testdev m2m-testdev.0: Removing mem2mem-testdev[ > 80.323013] BUG: unable to handle kernel paging request at 7562696c[ > 80.323685] IP: [ ] __kmalloc_track_caller+0x95/0x1c0[ 80.324094] *pde = > 00000000[ 80.324094] Oops: 0000 [#1] SMP[ 80.324094] last sysfs file: > /sys/module/videobuf_vmalloc/refcnt[ 80.324094] Modules linked in: > videobuf_core snd_ens1371 gameport snd_rawmidi snd_seq_device snd_ac97_codec > ac97_bus snd_pcm snd_timer snd psmouse soundcore snd_page_alloc intel_agp lp > ppdev serio_raw parport_pc intel_gtt shpchp vmw_balloon agpgart i2c_piix4 > parport pcnet32 mptspi mptscsih floppy mii mptbase scsi_transport_spi [last > unloaded: videobuf_vmalloc][ 80.324094][ 80.324094] Pid: 731, comm: modprobe > Not tainted 2.6.37-rc7 #3 440BX Desktop Reference Platform/VMware Virtual > Platform[ 80.324094] EIP: 0060:[ ] EFLAGS: 00010006 CPU: 0[ 80.324094] EIP is > at __kmalloc_track_caller+0x95/0x1c0[ 80.324094] EAX: df406ff8 EBX: 0000013c > ECX: 7562696c EDX: 00000000[ 80.324094] ESI: df002500 EDI: 000000d0 EBP: > de771e70 ESP: de771e44[ 80.324094] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: > 0068[ 80.324094] Process modprobe (pid: 731, ti=de770000 task=de4d5860 > task.ti=de770000)[ 80.324094] Stack:[ 80.324094] ffffffff 00000757 00000000 > c04f5d4e de4220c4 c035ef4b 00000246 7562696c[ 80.324094] de50a9c0 000000d0 > 000000ab de771e90 c04f5d78 df002180 00000000 00000080[ 80.324094] 00000020 > df0007b0 de422000 de771ee0 c035ef4b ffffffff c0755692 00000757[ 80.324094] > Call Trace:[ 80.324094] [ ] ? __alloc_skb+0x2e/0x100[ 80.324094] [ ] ? > kobject_uevent_env+0x29b/0x430[ 80.324094] [ ] ? __alloc_skb+0x58/0x100[ > 80.324094] [ ] ? kobject_uevent_env+0x29b/0x430[ 80.324094] [ ] ? > kobject_uevent+0xa/0x10[ 80.324094] [ ] ? kobject_release+0x74/0x80[ > 80.324094] [ ] ? kobject_release+0x0/0x80[ 80.324094] [ ] ? > kref_put+0x2d/0x60[ 80.324094] [ ] ? kobject_put+0x1d/0x50[ 80.324094] [ ] ? > free_sect_attrs+0x32/0x40[ 80.324094] [ ] ? free_module+0x143/0x1c0[ > 80.324094] [ ] ? sys_delete_module+0x16e/0x200[ 80.324094] [ ] ? > sysenter_do_call+0x12/0x28[ 80.324094] Code: 9c 58 8d 44 20 00 89 45 ec fa 8d > 44 20 00 90 8b 06 64 03 05 94 80 8c c0 8b 10 85 d2 89 55 f0 0f 84 0b 01 00 00 > 8b 56 10 8b 4d f0 14 11 89 10 8b 45 ec 50 9d 8d 44 20 00 8b 55 f0 85 d2 75 > 46[ 80.324094] EIP: [ ] __kmalloc_track_caller+0x95/0x1c0 SS:ESP > 0068:de771e44[ 80.324094] CR2: 000000007562696c[ 80.324094] ---[ end trace > 1c390fe96c782b4a ]---[ 80.336810] BUG: unable to handle kernel paging request > at 7562696c[ 80.337045] IP: [ ] kmem_cache_alloc_notrace+0x52/0xa0[ > 80.337207] *pde = 00000000[ 80.337323] Oops: 0000 [#2] SMP[ 80.337454] last > sysfs file: /sys/module/videobuf_vmalloc/refcnt[ 80.337596] Modules linked > in: videobuf_core snd_ens1371 gameport snd_rawmidi snd_seq_device > snd_ac97_codec ac97_bus snd_pcm snd_timer snd psmouse soundcore > snd_page_alloc intel_agp lp ppdev serio_raw parport_pc intel_gtt shpchp > vmw_balloon agpgart i2c_piix4 parport pcnet32 mptspi mptscsih floppy mii > mptbase scsi_transport_spi [last unloaded: videobuf_vmalloc][ 80.338648][ > 80.338812] Pid: 706, comm: bash Tainted: G D 2.6.37-rc7 #3 440BX Desktop > Reference Platform/VMware Virtual Platform[ 80.339076] EIP: 0060:[ ] EFLAGS: > 00010006 CPU: 0[ 80.339208] EIP is at kmem_cache_alloc_notrace+0x52/0xa0[ > 80.339336] EAX: df406ff8 EBX: 7562696c ECX: c02258bc EDX: 00000000[ > 80.339473] ESI: df002500 EDI: 000080d0 EBP: de51ff18 ESP: de51ff00[ > 80.339611] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068[ 80.339739] Process > bash (pid: 706, ti=de51e000 task=de4d25e0 task.ti=de51e000)[ 80.339957] > Stack:[ 80.340056] 0871c3c8 c02258bc 00000246 cbe22c40 df002500 de106bd0 > de51ff38 c02258bc[ 80.340072] 00000040 000080d0 de51ff38 de106bd0 00000000 > 0871c3c8 de51ff60 c0225990[ 80.340072] 00000000 00000000 c072e378 cbf5f8f4 > de51ffb4 ffffffea 00000000 0871c3c8[ 80.340072] Call Trace:[ 80.340072] [ ] ? > alloc_pipe_info+0x6c/0xf0[ 80.340072] [ ] ? alloc_pipe_info+0x6c/0xf0[ > 80.340072] [ ] ? create_write_pipe+0x50/0x190[ 80.340072] [ ] ? > do_pipe_flags+0x3f/0x110[ 80.340072] [ ] ? sys_pipe2+0x1e/0x60[ 80.340072] [ > ] ? sys_rt_sigprocmask+0x99/0xf0[ 80.340072] [ ] ? sys_pipe+0x1e/0x20[ > 80.340072] [ ] ? sysenter_do_call+0x12/0x28[ 80.340072] Code: 4d ec e8 12 43 > 3c 00 8b 4d ec 9c 58 8d 44 20 00 89 45 f0 fa 8d 44 20 00 90 8b 06 64 03 05 94 > 80 8c c0 8b 18 85 db 74 3c 8b 56 10 14 13 89 10 8b 45 f0 50 9d 8d 44 20 00 > 85 db 75 14 89 d8 8b[ 80.340072] EIP: [ ] kmem_cache_alloc_notrace+0x52/0xa0 > SS:ESP 0068:de51ff00[ 80.340072] CR2: 000000007562696c[ 80.340072] ---[ end > trace 1c390fe96c782b4b ]---
Ugh, what happened to all of the CRs and/or LFs? This (and the others that you have posted today) is very unreadable/unusable. --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** desserts: http://www.xenotime.net/linux/recipes/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
