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	Sun, 6 Mar 2005 08:33:11 -0500
Subject: Re: amd64 2.6.11 oops on modprobe
From: Andrei Mikhailovsky <andrei@arhont.com>
Reply-To: andrei@arhont.com
To: "Randy.Dunlap" <rddunlap@osdl.org>
Cc: linux-kernel@vger.kernel.org
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	 <422A5473.7030306@osdl.org>
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Date: Sun, 06 Mar 2005 13:33:10 +0000
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Hi Randy,

Done the kstack=3D32, here is the output:

cat /proc/cmdline=20
root=3D/dev/hda2 ro kstack=3D32 console=3Dtty0

P.S. Yeah, this oops is repeatable; hapens everytime

Output-----

Unable to handle kernel paging request at ffffffff880db000 RIP:=20
<ffffffff880d909f>{:saa7110:saa7110_write_block+127}
PGD 103027 PUD 105027 PMD 3de65067 PTE 0
Oops: 0000 [1]=20
CPU 0=20
Modules linked in: adv7175 saa7110 zr36067 videocodec videodev sata_nv
libata snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm
snd_timer snd snd_page_alloc i2c_nforce2 it87 eeprom i2c_sensor i2c_isa
sk98lin
Pid: 3213, comm: modprobe Not tainted 2.6.11-amd64
RIP: 0010:[<ffffffff880d909f>]
<ffffffff880d909f>{:saa7110:saa7110_write_block+127}
RSP: 0018:ffff81003e9a3b78  EFLAGS: 00010287
RAX: 000000000000139f RBX: 00000000ffffec36 RCX: 000000000000002a
RDX: 000000000000009f RSI: 0000000000000001 RDI: ffffffff880bf838
RBP: 000000000000139f R08: 0000000000000000 R09: ffff8100067713a8
R10: 0000000000000001 R11: ffffffff802f75d0 R12: ffffffff880db000
R13: ffff810037277400 R14: ffff81003e4efe00 R15: 0000000000000001
FS:  00002aaaaaac5520(0000) GS:ffffffff80500180(0000)
knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffffffff880db000 CR3: 000000003fa2b000 CR4: 00000000000006e0
Process modprobe (pid: 3213, threadinfo ffff81003e9a2000, task
ffff81003e8096c0)
Stack: 0000000000000076 0000000000000000 0000000000000000
0000000000000000=20
       0000000000000000 ffffffffffff0000 ffffffffffffffff
ffff81003e4efe28=20
       ffff002a0001004e ffff81003e9a3b78 ffff81003e4efe28
ffff810037277400=20
       ffff81003e4efe00 0000000000000000 ffff81003e4eff70
ffffffff880bf808=20
       ffffffff880d9930 ffffffff880d9ab4 0000000000000000
0000000000000000=20
       000000000000004e 0000000000000000 000000000000004e
0000000000000003=20
       ffffffff880dab60 ffffffff802f6812 0000000000000000
ffffffff880dab50=20
       ffffffff880bf808 ffffffff880bf9a8 ffffffff880bf908
ffffffff80474f90=20
Call Trace:<ffffffff880d9930>{:saa7110:saa7110_detect_client+0}=20
       <ffffffff880d9ab4>{:saa7110:saa7110_detect_client+388}=20
       <ffffffff802f6812>{i2c_probe+642}
<ffffffff802f4c24>{i2c_add_adapter+468}=20
       <ffffffff802f7928>{i2c_bit_add_bus+840}
<ffffffff880d7600>{:zr36067:init_dc10_cards+1536}=20
       <ffffffff801468e1>{sys_init_module+5857}
<ffffffff80174de7>{do_lookup+55}=20
       <ffffffff8021f440>{prio_tree_insert+48}
<ffffffff880d7000>{:zr36067:init_dc10_cards+0}=20
       <ffffffff80113fff>{sys_mmap+191} <ffffffff8010e1fa>{system_call
+126}=20
      =20

Code: 41 0f b6 04 24 ff c5 49 ff c4 41 88 44 15 00 88 04 0c 8b 44=20
RIP <ffffffff880d909f>{:saa7110:saa7110_write_block+127} RSP
<ffff81003e9a3b78>
CR2: ffffffff880db000

---Output end---

If you need any further info, please let me know

--
Andrei

On Sat, 2005-03-05 at 16:53 -0800, Randy.Dunlap wrote:
> Andrei Mikhailovsky wrote:
> > I get the oops during the boot up process. This did not happen in
> > 2.6.10/2.6.9.
> >=20
> > Here is the output from dmesg:
> >=20
> > Unable to handle kernel paging request at ffffffff880db000 RIP:=20
> > <ffffffff880d909f>{:saa7110:saa7110_write_block+127}
> > PGD 103027 PUD 105027 PMD 3ee64067 PTE 0
> > Oops: 0000 [1]=20
> > CPU 0=20
> > Modules linked in: adv7175 saa7110 zr36067 videocodec videodev sata_nv
> > libata snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm
> > snd_timer snd snd_page_alloc i2c_nforce2 it87 eeprom i2c_sensor i2c_isa
> > sk98lin
> > Pid: 2604, comm: modprobe Not tainted 2.6.11-amd64
> > RIP: 0010:[<ffffffff880d909f>]
> > <ffffffff880d909f>{:saa7110:saa7110_write_block+127}
> > RSP: 0018:ffff81003f6c5b78  EFLAGS: 00010287
> > RAX: 000000000000139f RBX: 00000000ffffec36 RCX: 000000000000002a
> > RDX: 000000000000009f RSI: 0000000000000001 RDI: ffffffff880bf838
> > RBP: 000000000000139f R08: 0000000000000000 R09: ffff81003efd63a8
> > R10: 0000000000000001 R11: ffffffff802f75d0 R12: ffffffff880db000
> > R13: ffff81003f3e0200 R14: ffff81003e0df200 R15: 0000000000000001
> > FS:  00002aaaaaac5520(0000) GS:ffffffff80500180(0000)
> > knlGS:0000000000000000
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > CR2: ffffffff880db000 CR3: 000000003e125000 CR4: 00000000000006e0
> > Process modprobe (pid: 2604, threadinfo ffff81003f6c4000, task
> > ffff81003ed59700)
> > Stack: 0000000000000076 0000000000000000 0000000000000000
> > 0000000000000000=20
> >        0000000000000000 ffffffffffff0000 ffffffffffffffff
> > ffff81003e0df228=20
> >        ffff002a0001004e ffff81003f6c5b78=20
> > Call Trace:<ffffffff880d9930>{:saa7110:saa7110_detect_client+0}=20
> >        <ffffffff880d9ab4>{:saa7110:saa7110_detect_client+388}=20
> >        <ffffffff802f6812>{i2c_probe+642}
> > <ffffffff802f4c24>{i2c_add_adapter+468}=20
> >        <ffffffff802f7928>{i2c_bit_add_bus+840}
> > <ffffffff880d7600>{:zr36067:init_dc10_cards+1536}=20
> >        <ffffffff801468e1>{sys_init_module+5857}
> > <ffffffff80174de7>{do_lookup+55}=20
> >        <ffffffff8021f440>{prio_tree_insert+48}
> > <ffffffff880d7000>{:zr36067:init_dc10_cards+0}=20
> >        <ffffffff80113fff>{sys_mmap+191} <ffffffff8010e1fa>{system_call
> > +126}=20
> >       =20
> >=20
> > Code: 41 0f b6 04 24 ff c5 49 ff c4 41 88 44 15 00 88 04 0c 8b 44=20
> > RIP <ffffffff880d909f>{:saa7110:saa7110_write_block+127} RSP
> > <ffff81003f6c5b78>
> > CR2: ffffffff880db000
> >=20
> > If anyone need more debugging info, I am ready to help
>=20
> Hm, not much change in that driver from 2.6.10.
>=20
> Is this easily reproducible?
> If so, please boot with "kstack=3D32" for more stack dump.
> And send me your saa7110.o (object) file since mine isn't
> like yours.
>=20


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