At Mon, 6 Mar 2006 20:24:19 -0500,
Shawn Starr wrote:
>
> I should also note, that this was compiled as a module, if compiled-into
> kernel it does not throw an oops.
Interesting. Usually, Oops occurs more often when built-in kernel.
I still don't figure out where Oops occurs exactly.
Could you turn on CONFIG_SND_DEBUG if not enabled?
Also, possible to track down at which point of snd_ctl_open does it
happen?
thanks,
Takashi
>
> Shawn.
>
> On Monday 06 March 2006 19:57, Shawn Starr wrote:
> > I've finally taken the plunge (so to speak) and finally switched an old box
> > away from OSS, however, ALSA doesn't seem to work well with it ;-)
> >
> > Whoever wants to depreciate OSS, please wait :)
> >
> > Model below:
> >
> > [17179579.964000] ALSA device list:
> > [17179579.964000] #0: Sound Blaster 16 at 0x220, irq 10, dma 1&5
> >
> > Hope this stack dump is useful,
> >
> > Shawn.
> >
> >
> > [17180154.576000] <1>Unable to handle kernel paging request at virtual
> > address e48606a0
> > [17180203.620000] printing eip:
> > [17180203.620000] e481e75a
> > [17180203.620000] *pde = 23f8c067
> > [17180203.620000] *pte = 00000000
> > [17180203.620000] Oops: 0000 [#2]
> > [17180203.620000] DEBUG_PAGEALLOC
> > [17180203.620000] Modules linked in: snd_pcm_oss snd_mixer_oss lm80
> > ipt_recent xt_state ip_conntrack nfnetlink xt_tcpudp iptable_filter
> > ip_tables x_tables snd_opl3_lib snd_sb16_dsp snd_sb16_csp snd_sb_common
> > snd_hwdep
> > snd_mpu401_uart snd_rawmidi snd_seq_device snd_pcm snd_timer snd
> > snd_page_alloc i2c_piix4
> > [17180203.620000] CPU: 0
> > [17180203.620000] EIP: 0060:[<e481e75a>] Not tainted VLI
> > [17180203.620000] EFLAGS: 00010286 (2.6.16-rc5 #2)
> > [17180203.620000] EIP is at snd_ctl_open+0x5a/0x168 [snd]
> > [17180203.620000] eax: e48606a0 ebx: e48269c0 ecx: 0000002c edx:
> > daefeac0
> > [17180203.620000] esi: e1e76bf8 edi: 00000000 ebp: e18ecf58 esp:
> > dcbc2ecc
> > [17180203.620000] ds: 007b es: 007b ss: 0068
> > [17180203.620000] Process xmms (pid: 2742, threadinfo=dcbc2000
> > task=daefeac0) [17180203.620000] Stack: <0>ffffffd8 c012617a e48269c0
> > e18ecf58 00000000 e215fe3c e481a215 c01c643f
> > [17180203.620000] e352f11c 00000000 e215fe3c e18ecf58 c015e6f2
> > dcbc2f4c e18ecf58 e215fe3c
> > [17180203.620000] dcbc2f4c c015e670 c01541b2 e3fcdb68 e280ff6c
> > e18ecf58 00000000 dcbc2f4c
> > [17180203.620000] Call Trace:
> > [17180203.620000] [<c012617a>] in_group_p+0x3a/0x80
> > [17180203.620000] [<e481a215>] snd_open+0x75/0x1a0 [snd]
> > [17180203.620000] [<c01c643f>] kobject_get+0xf/0x20
> > [17180203.620000] [<c015e6f2>] chrdev_open+0x82/0x180
> > [17180203.620000] [<c015e670>] chrdev_open+0x0/0x180
> > [17180203.620000] [<c01541b2>] __dentry_open+0xb2/0x1e0
> > [17180203.620000] [<c0154395>] nameidata_to_filp+0x35/0x40
> > [17180203.620000] [<c01543eb>] do_filp_open+0x4b/0x60
> > [17180203.620000] [<c01540e4>] get_unused_fd+0xb4/0xd0
> > [17180203.620000] [<c015444a>] do_sys_open+0x4a/0xe0
> > [17180203.620000] [<c0102a8b>] sysenter_past_esp+0x54/0x75
> > [17180203.620000] Code: 89 d8 8b 74 24 0c 8b 5c 24 08 8b 7c 24 10 8b 6c 24
> > 14 83 c4 18 c3 89 ea e8 34 c0 ff ff 85 c0 78 da 8b 86 34 01 00 00 85 c0 74
> > 14 <83> 38 02 bb f2 ff ff ff 0f 84 e0 00 00 00 ff 80 e0 00 00 00 ba
> > [17180203.620000]
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