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Date: Fri, 18 Dec 2009 11:44:19 +0200
Message-ID: <696f7f5e0912180144j27a6fd7cj2492b57259314871@mail.gmail.com>
Subject: Re: Technotrend S2-1600 - initialization bug
From: Andrey Gangan <a.gangan@gmail.com>
To: linux-kernel@vger.kernel.org
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Hello!

I have Technotrend S2-1600 satellite tv tuner. Fedora 11 used kernel,
which do not support this tuner.
I have installed Fedora 12 x64?kernel 2.6.31-14
When booting I have to wait very long and did not get login screen.
I pressed ESC and I
and saw the error connected with this tuner.
I made a picture of the screen by digital camera, and type it below:

udev: BUG: unable to handle kernel NULL pointer dereference at 00000000000000b0
IP: [<ffffffffa01220d6>] dvb_frontend_detach+0xc/0x82 [dvb_core]
PGD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/module/snd_timer/initstate
CPU 0
Modules linked in: ath5k(+) snd_hwdep mac80211 firewire_ohci(+)
snd_seq snd_seq_device budget(+) snd_pcm atl1e budget_core ath
firewire_core saa7146 snd_timer cfg80211 iTCO_vendor_support
ttpci_eeprom crc_itu_t snd dvb_core soundcore rfkill serio_raw
i2c_i801 sbnd_page_alloc asus_atk0110 nouveau ttm drm_kms_helper drm
i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
Pid: 578, comm: work_for_cpu Not tainted 2.6.31.6-166.fc12.x86_64 #1 P5Q PRO
RIP: 0010:[<ffffffffa01220d6>]dvb_frontend_detach+0xc/0x82 [dvb_core]
RSP: 0018:ffff88012a4f3de0? EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff880126582000 RCX: 0000000000000891
RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000000
RBP: ffff88012a4f3df0 R08: ffffffff815f61c0 R09: 0000000000000000
R10: 0000000000000000 R11: ffff880124e361c8 R12: 0000000000000000
R13: ffff880128984800 R14: ffffffffa01c7f20 R15: 0000000000001000
FS:? 0000000000000000(0000) GS: ffff880028022000(0000) knlGS: 0000000000000000
CS:?? 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 0000000001001000 CR4: 00000000000006f0
DR0: 0000000000000000?DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process work_for_cpu (pid: 578, threadinfo ffff88012a4f2000, task
ffff880124e35e00)
Stack:
?ffff880126582000 0000000000000000 ffff88012a4f3e60 ffffffffa01c5913
[<ffffffffa01c5913>] budget_attach+0xc87/0xd50 [budget]
[<ffffffff81418c2f>] ? printk+0x41/0x4a
[<ffffffff8102ee3e>] ? x86_swiotlb_alloc_coherent+0x21/0x40
[<ffffffffa0183960>] saa7146_init_one+0x44f/0x563 [saa7146]
[<ffffffff81063b56>] ? do_work_for_cpu+0x0/0x2a
[<ffffffff81210311>] local_pci_probe+0x17/0x1b
[<ffffffff81063b6e>] do_work_for_cpu+0x18/0x2a
[<ffffffff81067781>] kthread+0x91/0x99
[<ffffffff81012daa>] child_rip+0xa/0x20
[<ffffffff810676f0>] ? kthread+0x0/0x99
[<ffffffff81012da0>] ? child_rip+0x0/0x20
Code: 90 55 48 89 e5 48 83 ec 20 0f 1f 44 00 00 48 39 f1 8d 81 40 42
0f 00 7c 02 89 c8 29 f0 c9?c3 55 48 89 e5 41 54 53 0f 1f 44 00 00 <48>
8b 87 b0 00 00 00 48 89 fb 48 85 c0 74 0e ff d0 48 8b bb b0
RIP [<ffffffffa01220d6>] dvb_frontend_detach+0xc/0x82 [dvb_core]
?RSP <ffff88012a4f3de0>
CR2: 0000000000000000
---[ end trace b0f11a44bf3a4233 ]---
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