From: e9hack <e9hack@googlemail.com>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: linux-media@vger.kernel.org
Subject: Re: av7110 and budget_av are broken!
Date: Sat, 20 Mar 2010 17:03:01 +0100 [thread overview]
Message-ID: <4BA4F1B5.80500@googlemail.com> (raw)
In-Reply-To: <201003201520.40069.hverkuil@xs4all.nl>
Am 20.3.2010 15:20, schrieb Hans Verkuil:
> Hartmut, is the problem with unloading the module something that my patch
> caused? Or was that there as well before changeset 14351:2eda2bcc8d6f?
> Are there any kernel messages indicating why it won't unload?
Changset 14351:2eda2bcc8d6f causes a kernel oops during unload of the module for my dvb
cards. The call trace points to dvb_ttpci. I assumed, that the FF card is affected only.
It may be possible, that budget-av does crash also, if it is unload as second.
Regards,
Hartmut
Mar 3 11:42:33 vdr kernel: [ 3291.915576] saa7146: unregister extension 'budget_av'.
Mar 3 11:42:33 vdr kernel: [ 3291.916426] budget_av 0000:04:07.0: PCI INT A disabled
Mar 3 11:42:33 vdr kernel: [ 3291.918565] saa7146: unregister extension 'dvb'.
Mar 3 11:42:33 vdr kernel: [ 3291.918750] BUG: unable to handle kernel NULL pointer
dereference at (null)
Mar 3 11:42:33 vdr kernel: [ 3291.918966] IP: [<ffffffffa0286aac>]
v4l2_device_unregister+0x1c/0x60 [videodev]
Mar 3 11:42:33 vdr kernel: [ 3291.919013] PGD 3db10067 PUD 37a3d067 PMD 0
Mar 3 11:42:33 vdr kernel: [ 3291.919013] Oops: 0000 [#1] PREEMPT SMP
Mar 3 11:42:33 vdr kernel: [ 3291.919013] last sysfs file:
/sys/devices/platform/w83627ehf.2576/cpu0_vid
Mar 3 11:42:33 vdr kernel: [ 3291.919013] CPU 0
Mar 3 11:42:33 vdr kernel: [ 3291.919013] Pid: 15305, comm: rmmod Not tainted
2.6.33-64-suse-11.0 #4 MS-7207PV/MS-7207PV
Mar 3 11:42:33 vdr kernel: [ 3291.919013] RIP: 0010:[<ffffffffa0286aac>]
[<ffffffffa0286aac>] v4l2_device_unregister+0x1c/0x60 [videodev]
Mar 3 11:42:33 vdr kernel: [ 3291.919013] RSP: 0018:ffff88003da55cc8 EFLAGS: 00010203
Mar 3 11:42:33 vdr kernel: [ 3291.919013] RAX: 0000000000000000 RBX: 0000000000000000
RCX: ffff88003d64d3e0
Mar 3 11:42:34 vdr kernel: [ 3291.919013] RDX: 0000000000000001 RSI: 0000000000000000
RDI: 0000000000000000
Mar 3 11:42:34 vdr kernel: [ 3291.919013] RBP: ffff880037fd7018 R08: 0000000080808081
R09: 0000000000000000
Mar 3 11:42:34 vdr kernel: [ 3291.919013] R10: 0000000000000000 R11: ffffffffa02812a0
R12: ffff880037fd7020
Mar 3 11:42:34 vdr kernel: [ 3291.919013] R13: 0000000000000000 R14: 0000000000000001
R15: ffff88003fb98888
Mar 3 11:42:34 vdr kernel: [ 3291.919013] FS: 00007f2def23b6f0(0000)
GS:ffff880001800000(0000) knlGS:0000000000000000
Mar 3 11:42:34 vdr kernel: [ 3291.919013] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 3 11:42:34 vdr kernel: [ 3291.919013] CR2: 0000000000000000 CR3: 0000000037abd000
CR4: 00000000000006f0
Mar 3 11:42:34 vdr kernel: [ 3291.919013] DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Mar 3 11:42:34 vdr kernel: [ 3291.919013] DR3: 0000000000000000 DR6: 00000000ffff0ff0
DR7: 0000000000000400
Mar 3 11:42:34 vdr kernel: [ 3291.919013] Process rmmod (pid: 15305, threadinfo
ffff88003da54000, task ffff880009830080)
Mar 3 11:42:34 vdr kernel: [ 3291.919013] Stack:
Mar 3 11:42:34 vdr kernel: [ 3291.919013] ffff88003edc0108 ffff880037fd7000
ffff88003db47000 ffffffffa0396ca5
Mar 3 11:42:34 vdr kernel: [ 3291.919013] <0> ffffffffa03df158 ffff88003edc0108
ffff880037fd7118 ffff880037fd7000
Mar 3 11:42:34 vdr kernel: [ 3291.919013] <0> ffffffffa03df158 0000000000000001
ffff88003fb98888 ffffffffa03cb2c5
Mar 3 11:42:34 vdr kernel: [ 3291.919013] Call Trace:
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa0396ca5>] ?
saa7146_vv_release+0x45/0x140 [saa7146_vv]
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa03cb2c5>] ?
av7110_exit_v4l+0x45/0x60 [dvb_ttpci]
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa03d9748>] ?
av7110_detach+0x138/0x2a0 [dvb_ttpci]
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa02dd322>] ?
saa7146_remove_one+0xb2/0x230 [saa7146]
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff811dd37f>] ? pci_device_remove+0x2f/0x60
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81270c88>] ?
__device_release_driver+0x78/0xf0
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81270db0>] ? driver_detach+0xb0/0xc0
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff8126fca4>] ? bus_remove_driver+0x84/0xe0
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff811dd69f>] ?
pci_unregister_driver+0x3f/0xc0
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffffa02dd1a7>] ?
saa7146_unregister_extension+0x27/0x60 [saa7146]
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81084db6>] ?
sys_delete_module+0x1f6/0x2d0
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81344255>] ?
_raw_spin_unlock_irqrestore+0x15/0x40
Mar 3 11:42:34 vdr kernel: [ 3291.919013] [<ffffffff81002e6b>] ?
system_call_fastpath+0x16/0x1b
Mar 3 11:42:34 vdr kernel: [ 3291.919013] Code: fe e0 48 c7 03 00 00 00 00 5b c3 0f 1f 40
00 41 54 48 85 ff 55 48 89 fd 53 74 4a e8 cf ff ff ff 48 8b 5d 08 4c 8d 65 08 4c 39 e3 <
Mar 3 11:42:34 vdr kernel: [ 3291.919013] RIP [<ffffffffa0286aac>]
v4l2_device_unregister+0x1c/0x60 [videodev]
Mar 3 11:42:34 vdr kernel: [ 3291.919013] RSP <ffff88003da55cc8>
Mar 3 11:42:34 vdr kernel: [ 3291.919013] CR2: 0000000000000000
Mar 3 11:42:34 vdr kernel: [ 3291.934087] ---[ end trace 685f9ceb9b064f25 ]---
Mar 3 11:42:52 vdr logger: rcvdr: stop
Mar 3 11:43:34 vdr shutdown[5610]: shutting down for system reboot
next prev parent reply other threads:[~2010-03-20 16:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-03 11:39 changeset 14351:2eda2bcc8d6f e9hack
2010-03-13 16:27 ` Hans Verkuil
2010-03-16 19:29 ` e9hack
2010-03-20 14:07 ` av7110 and budget_av are broken! (was: Re: changeset 14351:2eda2bcc8d6f) Oliver Endriss
2010-03-20 14:20 ` Hans Verkuil
2010-03-20 15:13 ` Oliver Endriss
2010-03-20 16:03 ` e9hack [this message]
2010-03-20 21:37 ` av7110 and budget_av are broken! Hans Verkuil
2010-03-22 19:34 ` e9hack
2010-04-21 6:29 ` e9hack
-- strict thread matches above, loose matches on Subject: below --
2010-04-21 6:37 Hans Verkuil
2010-04-21 9:44 ` Oliver Endriss
2010-04-25 17:57 ` VDR User
2010-04-26 13:35 ` Mauro Carvalho Chehab
2010-04-26 17:34 ` VDR User
2010-05-15 23:06 ` Oliver Endriss
2010-05-16 1:33 ` Douglas Schilling Landgraf
2010-05-16 1:53 ` hermann pitton
2010-05-16 4:21 ` Oliver Endriss
2010-05-16 12:57 ` Mauro Carvalho Chehab
2010-05-16 15:01 ` Oliver Endriss
2010-05-16 17:48 ` Mauro Carvalho Chehab
2010-05-19 0:35 ` hermann pitton
2010-05-16 5:09 ` Douglas Schilling Landgraf
2010-05-16 6:24 ` Oliver Endriss
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