linux-kernel - Re: [patch, -git] drivers/media build fix for modular builds

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Message-Id: <1209560592.5265.2.camel@marge.simson.net>
Date:	Wed, 30 Apr 2008 15:03:12 +0200
From:	Mike Galbraith <efault@....de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>, David Miller <davem@...emloft.net>,
	mchehab@...radead.org, torvalds@...ux-foundation.org,
	linux-dvb-maintainer@...uxtv.org, video4linux-list@...hat.com,
	linux-kernel@...r.kernel.org, sfr@...b.auug.org.au,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: [patch, -git] drivers/media build fix for modular builds


On Wed, 2008-04-30 at 04:40 -0700, Andrew Morton wrote:
> On Wed, 30 Apr 2008 11:20:31 +0200 Mike Galbraith <efault@....de> wrote:
> 
> > [   16.299803] kernel BUG at kernel/module.c:784!
> > [   16.307170] invalid opcode: 0000 [1] SMP 
> > [   16.314110] CPU 3 
> > [   16.318911] Modules linked in: tuner(+) snd_hda_intel(+) saa7134(+) compat_ioctl32 firewire_ohci videodev snd_pcm firewire_core v4l1_compat v4l2_common snd_timer videobuf_dma_sg videobuf_core crc_itu_t snd_page_alloc snd_hwdep ir_kbd_i2c ohci1394 snd ir_common usb_storage rtc_cmos ieee1394 tveeprom rtc_core i2c_i801 button sr_mod intel_agp serio_raw e1000e iTCO_wdt i2c_core iTCO_vendor_support rtc_lib cdrom sg soundcore usbhid hid ff_memless ehci_hcd uhci_hcd sd_mod usbcore edd ext3 mbcache jbd fan ahci libata scsi_mod dock thermal processor
> > [   16.386303] Pid: 2239, comm: modprobe Not tainted 2.6.26-smp #1
> > [   16.395339] RIP: 0010:[<ffffffff80254714>]  [<ffffffff80254714>] __symbol_put+0x22/0x31
> 
> Does this make it feel better?

Well, it doesn't go BUG() any more, but it now goes oops.

[   13.443404] saa7133[0]: i2c eeprom 00: be 16 0d 00 54 20 1c 00 43 43 a9 1c 55 d2 b2 92
[   13.456281] saa7133[0]: i2c eeprom 10: 00 ff 86 0f ff 20 ff 00 01 50 32 79 01 3c ca 50
[   13.469575] saa7133[0]: i2c eeprom 20: 01 40 01 02 02 03 01 00 06 ff 00 29 02 51 96 2b
[   13.483794] saa7133[0]: i2c eeprom 30: a7 58 7a 1f 03 8e 84 5e da 7a 04 b3 05 87 b2 3c
[   13.498518] saa7133[0]: i2c eeprom 40: ff 28 00 c0 96 10 03 00 c0 1c fd 79 44 9f c2 8f
[   13.507664] saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507670] saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507676] saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507680] saa7133[0]: i2c eeprom 80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507684] saa7133[0]: i2c eeprom 90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507688] saa7133[0]: i2c eeprom a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507692] saa7133[0]: i2c eeprom b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507696] saa7133[0]: i2c eeprom c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507700] saa7133[0]: i2c eeprom d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507703] saa7133[0]: i2c eeprom e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.507707] saa7133[0]: i2c eeprom f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.666587] TUNER: Unable to find symbol tda829x_probe()
[   13.674638] tuner' 1-004b: chip found @ 0x96 (saa7133[0])
[   13.691175] DVB: Unable to find symbol tda9887_attach()
[   13.698968] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[   13.709509] IP: [<ffffffff80302934>] strlcpy+0x11/0x36
[   13.711135] PGD be167067 PUD be140067 PMD 0 
[   13.711137] Oops: 0000 [1] SMP 
[   13.711139] CPU 2 
[   13.711140] Modules linked in: tuner(+) snd_hda_intel(+) saa7134(+) compat_ioctl32 snd_pcm videodev firewire_ohci v4l1_compat firewire_core v4l2_common snd_timer videobuf_dma_sg videobuf_core crc_itu_t snd_page_alloc snd_hwdep ir_kbd_i2c rtc_cmos snd rtc_core ohci1394 ir_common usb_storage usbhid tveeprom ieee1394 sr_mod e1000e i2c_i801 rtc_lib cdrom i2c_core hid iTCO_wdt button intel_agp serio_raw ff_memless soundcore iTCO_vendor_support sg ehci_hcd uhci_hcd sd_mod usbcore edd ext3 mbcache jbd fan ahci libata scsi_mod dock thermal processor
[   13.711158] Pid: 2175, comm: modprobe Not tainted 2.6.26-smp #3
[   13.711160] RIP: 0010:[<ffffffff80302934>]  [<ffffffff80302934>] strlcpy+0x11/0x36
[   13.711163] RSP: 0018:ffff8100bcc45b68  EFLAGS: 00010286
[   13.711164] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffffffffff
[   13.711165] RDX: 0000000000000014 RSI: 0000000000000000 RDI: 0000000000000000
[   13.711167] RBP: ffff8100bcc45b68 R08: ffff8100bf0b7404 R09: 0000000000000000
[   13.711169] R10: ffff8100bcc45908 R11: ffff81003784ab70 R12: ffff8100bf0b6400
[   13.711170] R13: ffff8100bf0b7400 R14: 000000000000004a R15: 000000000000000e
[   13.711172] FS:  00007fcb8bad66f0(0000) GS:ffff8100bf806780(0000) knlGS:0000000000000000
[   13.711174] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   13.711175] CR2: 0000000000000000 CR3: 00000000be142000 CR4: 00000000000006e0
[   13.711177] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.711178] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   13.711180] Process modprobe (pid: 2175, threadinfo ffff8100bcc44000, task ffff8100bd112c40)
[   13.711181] Stack:  ffff8100bcc45c08 ffffffffa02d43a3 0000000000000096 ffff8100bd486490
[   13.711185]  0000000000000000 ffffffffa02d681c ffff8100bcc45bd8 ffffffff80253b08
[   13.711187]  ffff8100bcc45bf8 ffff8100bf0b7400 ffff8100bf0b6400 ffffffffa02d8e80
[   13.711190] Call Trace:
[   13.711196]  [<ffffffffa02d43a3>] :tuner:set_type+0x682/0x9ed
[   13.711201]  [<ffffffff80253b08>] ? __find_symbol+0x2c5/0x34b
[   13.711213]  [<ffffffffa02d4cdb>] :tuner:tuner_probe+0x4d1/0x50f
[   13.711220]  [<ffffffffa0135ba6>] ? :i2c_core:__i2c_check_addr+0x0/0x31
[   13.711225]  [<ffffffffa02d478d>] ? :tuner:v4l2_i2c_drv_attach_legacy+0x0/0x20
[   13.711234]  [<ffffffffa0200362>] :v4l2_common:v4l2_i2c_attach+0x65/0x96
[   13.711237]  [<ffffffffa02d480a>] ? :tuner:tuner_probe+0x0/0x50f
[   13.711243]  [<ffffffffa02d478d>] ? :tuner:v4l2_i2c_drv_attach_legacy+0x0/0x20
[   13.711248]  [<ffffffffa02d47ab>] :tuner:v4l2_i2c_drv_attach_legacy+0x1e/0x20
[   13.711255]  [<ffffffffa0134b6c>] :i2c_core:i2c_probe_address+0xbe/0x105
[   13.711264]  [<ffffffffa0134d0f>] :i2c_core:i2c_probe+0x15c/0x16f
[   13.711268]  [<ffffffffa02d478d>] ? :tuner:v4l2_i2c_drv_attach_legacy+0x0/0x20
[   13.711275]  [<ffffffffa02d4784>] :tuner:v4l2_i2c_drv_probe_legacy+0x3f/0x48
[   13.711284]  [<ffffffffa013541b>] :i2c_core:i2c_register_driver+0xa4/0xef
[   13.711292]  [<ffffffffa02d47c0>] :tuner:i2c_add_driver+0x13/0x15
[   13.711296]  [<ffffffffa01a9083>] :tuner:v4l2_i2c_drv_init+0x83/0xf2
[   13.711300]  [<ffffffff80256170>] sys_init_module+0x18be/0x19f4
[   13.711341]  [<ffffffffa0134d6d>] ? :i2c_core:i2c_master_send+0x0/0x48
[   13.711351]  [<ffffffff80290142>] ? vfs_read+0xa8/0x102
[   13.711368]  [<ffffffff8020c18b>] system_call_after_swapgs+0x7b/0x80
[   13.711386] 
[   13.711387] 
[   13.711387] Code: 4c 29 c2 48 39 d0 72 04 48 8d 4a ff fc 4c 89 cf 4c 01 c0 f3 a4 c6 07 00 c9 c3 55 31 c0 48 83 c9 ff fc 49 89 f8 48 89 f7 48 89 e5 <f2> ae 48 85 d2 48 f7 d1 48 8d 41 ff 74 15 48 39 d0 48 89 c1 72 
[   13.711400] RIP  [<ffffffff80302934>] strlcpy+0x11/0x36
[   13.711402]  RSP <ffff8100bcc45b68>
[   13.711403] CR2: 0000000000000000
[   13.711408] ---[ end trace 482cc92db4db2b64 ]---
[   13.729702] saa7133[0]: registered device video0 [v4l2]
[   13.729719] saa7133[0]: registered device vbi0
[   13.810238] ieee1394: Host added: ID:BUS[0-00:1023]  GUID[0010dc000152c873]
[   14.766645] DVB: Unable to find symbol tda827x_attach()
[   14.775058] saa7133[0]/dvb: no tda827x tuner found at addr: 60
[   14.784121] DVB: registering new adapter (saa7133[0])
[   14.792324] DVB: registering frontend 0 (Philips TDA10046H DVB-T)...
[   14.882015] tda1004x: setting up plls for 48MHz sampling clock
[   16.886159] tda1004x: found firmware revision 26 -- ok


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