[vdr] Re: [linux-dvb] Kernel bug using kernel 2.6.17

Jose Alberto Reguero jareguero at telefonica.net
Tue Aug 29 11:53:21 CEST 2006


El Martes, 22 de Agosto de 2006 01:59, Jose Alberto Reguero escribió:
> El Lunes, 21 de Agosto de 2006 22:26, Darren Salt escribió:
> > I demand that Jose Alberto Reguero may or may not have written...
> >
> > > I have problems with kernels newer that 2.6.16 and vdr.
> > > With kernel 2.6.17.9 see atached log1.
> > > With kernel 2.6.18-rc4 with kernels drivers and with last mercurial
> > > drivers see log2.
> > > After that errors I need to reboot.
> >
> > [snip]
> >
> > Does this happen without the proprietary graphics card taintware?
>
> Yes. I atach the log.
> Thanks.
> Jose Alberto

Another log with kernel 2.6.27.11
What poison_obj means?
What can produce Slab corruption?
How I can debug it?
Thanks.
Jose Alberto
-------------- next part --------------
Aug 29 01:16:36 jar kernel: general protection fault: 0000 [1] SMP 
Aug 29 01:16:36 jar kernel: CPU 0 
Aug 29 01:16:36 jar kernel: Modules linked in: nfsd exportfs lockd nfs_acl ipv6 autofs4 w83627hf hwmon_vid hwmon i2c_isa hidp l2cap bluetooth sunrpc cpufreq_ondemand vfat fat dm_mirror dm_mod video button battery ac parport_pc lp parport saa7134_dvb mt352 video_buf_dvb dvb_core nxt200x dvb_pll tda1004x snd_via82xx_modem snd_via82xx gameport snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq saa7134 snd_pcm_oss snd_mixer_oss video_buf snd_pcm compat_ioctl32 msp3400 saa7127 snd_timer usblp saa7115 nvidia tda9887 ir_kbd_i2c tuner snd_mpu401_uart snd_rawmidi snd_seq_device snd v4l2_common sg ivtv i2c_viapro ir_common uhci_hcd i2c_algo_bit v4l1_compat tveeprom soundcore ehci_hcd floppy i2c_core snd_page_alloc ide_cd serio_raw skge videodev cdrom ext3 jbd sata_promise sata_via libata sd_mod scsi_mod
Aug 29 01:16:36 jar kernel: Pid: 2523, comm: vdr Tainted: P      2.6.17.11 #1
Aug 29 01:16:36 jar kernel: RIP: 0010:[<ffffffff8024b823>] <ffffffff8024b823>{try_to_wake_up+45}
Aug 29 01:16:36 jar kernel: RSP: 0018:ffff81002e78fb88  EFLAGS: 00010096
Aug 29 01:16:36 jar kernel: RAX: 6b6b6b6b6b6b6b6b RBX: ffffffff8073a480 RCX: 0000000000000000
Aug 29 01:16:36 jar kernel: RDX: 0000000000000000 RSI: 000000000000000f RDI: ffff81002cf4a080
Aug 29 01:16:36 jar kernel: RBP: ffff81002e78fc08 R08: 0000000000000000 R09: ffff81002e78fb98
Aug 29 01:16:36 jar kernel: R10: 0000000044005f98 R11: 0000000000000206 R12: 000000000000000f
Aug 29 01:16:36 jar kernel: R13: 0000000000000000 R14: ffff81002cf4a080 R15: ffffffff8073a480
Aug 29 01:16:36 jar kernel: FS:  0000000043005940(0063) GS:ffffffff806d7000(0000) knlGS:00000000f73d96d0
Aug 29 01:16:36 jar kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 29 01:16:36 jar kernel: CR2: 0000000000e10000 CR3: 000000002eebb000 CR4: 00000000000006e0
Aug 29 01:16:36 jar kernel: Process vdr (pid: 2523, threadinfo ffff81002e78e000, task ffff81002e76e100)
Aug 29 01:16:36 jar kernel: Stack: 000000002e78fb98 ffff81002e78fba8 ffff81002e78fbf8 0000000000000296 
Aug 29 01:16:36 jar kernel:        2222222222222222 2222222222222222 2222222222222222 2222222222222222 
Aug 29 01:16:36 jar kernel:        2222222222222222 ffffffff802a2de1 
Aug 29 01:16:36 jar kernel: Call Trace: <ffffffff802a2de1>{debug_mutex_add_waiter+152}
Aug 29 01:16:36 jar kernel:        <ffffffff8028c260>{wake_up_process+16} <ffffffff802a013a>{kthread_stop_sem+129}
Aug 29 01:16:36 jar kernel:        <ffffffff802a0196>{kthread_stop+11} <ffffffff88998331>{:video_buf_dvb:videobuf_dvb_stop_feed+77}
Aug 29 01:16:36 jar kernel:        <ffffffff88979917>{:dvb_core:dmx_section_feed_stop_filtering+86}
Aug 29 01:16:36 jar kernel:        <ffffffff88977f22>{:dvb_core:dvb_dmxdev_feed_stop+96}
Aug 29 01:16:36 jar kernel:        <ffffffff8897827a>{:dvb_core:dvb_dmxdev_filter_start+386}
Aug 29 01:16:36 jar kernel:        <ffffffff80269c13>{_spin_unlock+9} <ffffffff88978740>{:dvb_core:dvb_demux_do_ioctl+603}
Aug 29 01:16:36 jar vdr: [3321] cAudioRepacker(0xC0): skipped 36 bytes to sync on next audio frame
Aug 29 01:16:36 jar kernel:        <ffffffff88977184>{:dvb_core:dvb_usercopy+228} <ffffffff889784e5>{:dvb_core:dvb_demux_do_ioctl+0}
Aug 29 01:16:37 jar kernel:        <ffffffff80212d10>{poison_obj+39} <ffffffff802347ab>{cache_free_debugcheck+761}
Aug 29 01:16:37 jar kernel:        <ffffffff88977c2d>{:dvb_core:dvb_demux_ioctl+16} <ffffffff80246572>{do_ioctl+94}
Aug 29 01:16:37 jar kernel:        <ffffffff802330a0>{vfs_ioctl+602} <ffffffff802516e3>{sys_ioctl+95}
Aug 29 01:16:37 jar kernel:        <ffffffff80263101>{tracesys+209}
Aug 29 01:16:37 jar kernel: 
Aug 29 01:16:37 jar kernel: Code: 8b 40 18 48 8b 04 c5 20 90 6f 80 4c 03 78 08 4c 89 ff e8 0a 
Aug 29 01:16:37 jar kernel: RIP <ffffffff8024b823>{try_to_wake_up+45} RSP <ffff81002e78fb88>
Aug 29 01:16:37 jar kernel:  <3>BUG: sleeping function called from invalid context at include/linux/rwsem.h:43
Aug 29 01:16:37 jar kernel: in_atomic():0, irqs_disabled():1
Aug 29 01:16:37 jar kernel: 
Aug 29 01:16:37 jar kernel: Call Trace: <ffffffff8020b7f6>{__might_sleep+178} <ffffffff8029a4fa>{blocking_notifier_call_chain+39}
Aug 29 01:16:37 jar kernel:        <ffffffff80291a5e>{profile_task_exit+21} <ffffffff802162ef>{do_exit+37}
Aug 29 01:16:37 jar kernel:        <ffffffff802708e6>{kernel_math_error+0} <ffffffff8026a92f>{do_general_protection+261}
Aug 29 01:16:37 jar kernel:        <ffffffff80263e65>{error_exit+0} <ffffffff8024b823>{try_to_wake_up+45}
Aug 29 01:16:37 jar kernel:        <ffffffff802a2de1>{debug_mutex_add_waiter+152} <ffffffff8028c260>{wake_up_process+16}
Aug 29 01:16:37 jar kernel:        <ffffffff802a013a>{kthread_stop_sem+129} <ffffffff802a0196>{kthread_stop+11}
Aug 29 01:16:37 jar kernel:        <ffffffff88998331>{:video_buf_dvb:videobuf_dvb_stop_feed+77}
Aug 29 01:16:37 jar kernel:        <ffffffff88979917>{:dvb_core:dmx_section_feed_stop_filtering+86}
Aug 29 01:16:37 jar kernel:        <ffffffff88977f22>{:dvb_core:dvb_dmxdev_feed_stop+96}
Aug 29 01:16:37 jar kernel:        <ffffffff8897827a>{:dvb_core:dvb_dmxdev_filter_start+386}
Aug 29 01:16:37 jar kernel:        <ffffffff80269c13>{_spin_unlock+9} <ffffffff88978740>{:dvb_core:dvb_demux_do_ioctl+603}
Aug 29 01:16:37 jar kernel:        <ffffffff88977184>{:dvb_core:dvb_usercopy+228} <ffffffff889784e5>{:dvb_core:dvb_demux_do_ioctl+0}
Aug 29 01:16:37 jar kernel:        <ffffffff80212d10>{poison_obj+39} <ffffffff802347ab>{cache_free_debugcheck+761}
Aug 29 01:16:37 jar kernel:        <ffffffff88977c2d>{:dvb_core:dvb_demux_ioctl+16} <ffffffff80246572>{do_ioctl+94}
Aug 29 01:16:37 jar kernel:        <ffffffff802330a0>{vfs_ioctl+602} <ffffffff802516e3>{sys_ioctl+95}
Aug 29 01:16:37 jar kernel:        <ffffffff80263101>{tracesys+209}
Aug 29 01:16:37 jar kernel: BUG: vdr/2523, lock held at task exit time!
Aug 29 01:16:37 jar kernel:  [ffff81003e251678] {dvb_dmxdev_init}
Aug 29 01:16:37 jar kernel: .. held by:               vdr: 2523 [ffff81002e76e100, 134]
Aug 29 01:16:37 jar kernel: ... acquired at:               dvb_demux_do_ioctl+0x3b/0x3c1 [dvb_core]
Aug 29 01:16:37 jar kernel: Slab corruption: start=ffff81002cf4a080, len=1872
Aug 29 01:16:37 jar kernel: 010: 6c 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Aug 29 01:16:37 jar kernel: Next obj: start=ffff81002cf4a7d0, len=1872
Aug 29 01:16:37 jar kernel: 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Aug 29 01:16:37 jar kernel: 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b


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