Kernel 2.6.19-rc4-mm2 on an Athlon XP / SiS 741 motherboard chipset
In the process of modprobe-ing all the sound modules to figure out
which I needed (is that kosher? Well, I did it anyway), I got the
following BUG. Share and enjoy.
-Eric
-------------------------------------------
[ 673.745969] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000064
[ 673.745974] printing eip:
[ 673.745977] c02d1ae5
[ 673.745979] *pde = 00000000
[ 673.745986] Oops: 0000 [#1]
[ 673.745988] PREEMPT
[ 673.745992] last sysfs file: /devices/pci0000:00/0000:00:00.0/class
[ 673.745996] Modules linked in: snd_serial_u16550 snd_opl4_synth snd_opl4_lib snd_opl3_synth snd_rtctimer rtc snd_seq_dummy snd_ainstr_iw snd_ainstr_fm snd_ainstr_gf1 snd_seq_midi snd_seq_oss snd_pcm_oss snd_mixer_oss snd_tea6330t snd_ak4117 snd_cs5535audio snd_intel8x0 snd_cs4281 snd_sonicvibes snd_atiixp snd_als4000 snd_sb_common snd_fm801 snd_tea575x_tuner videodev v4l1_compat v4l2_common snd_cmipci snd_ymfpci snd_ice1724 snd_ak4114 snd_pt2258 snd_ali5451 snd_rme96 snd_rme32 snd_es1968 snd_intel8x0m snd_es1938 snd_als300 snd_mixart snd_trident_synth snd_seq_instr snd_ainstr_simple snd_trident snd_via82xx_modem snd_ens1371 snd_ens1370 snd_cs46xx snd_ca0106 snd_au8830 snd_au8820 snd_au8810 snd_indigo snd_echo3g snd_mia snd_layla24 snd_layla20 snd_mona snd_darla24 snd_darla20 snd_gina24 snd_gina20 snd_indigoio snd_indigodj snd_bt87x snd_maestro3 snd_azt3328 snd_emu10k1x snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_event snd_seq_midi_emul snd_seq snd_emu10k1 snd_util_mem snd_korg1212 snd_ad1889 snd_rme9652 snd_hdsp snd_hdspm snd_atiixp_modem snd_vx222 snd_vx_lib snd_riptide snd_opl3_lib snd_hwdep snd_pcxhr snd_nm256 snd_hda_intel snd_hda_codec snd_ak4531_codec ppp_synctty ppp_async crc_ccitt ppp_generic slhc r128 softdog keyspan_pda usbserial capability commoncap sch_tbf raw1394 dv1394 ohci1394 ieee1394 snd_ice1712 snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_cs8427 snd_i2c snd_via82xx gameport snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore sg usb_storage usbhid ff_memless usbnet ohci_hcd uhci_hcd ehci_hcd ipt_tos ipt_owner iptable_nat ipt_MASQUERADE ip_nat ip_conntrack nfnetlink ipt_TOS iptable_filter tsdev iptable_mangle ip_tables joydev x_tables b44 sis900 8139too mii usbmouse usbcore psmouse via drm via_agp agpgart ide_scsi
[ 673.746131] CPU: 0
[ 673.746133] EIP: 0060:[<c02d1ae5>] Not tainted VLI
[ 673.746135] EFLAGS: 00010246 (2.6.19-rc4-mm2 #1)
[ 673.746150] EIP is at device_del+0x8/0x156
[ 673.746154] eax: 00000000 ebx: 00000000 ecx: c1aff240 edx: c1679380
[ 673.746159] esi: 00000000 edi: 0000ffff ebp: d0bd9cd0 esp: d0bd9cc4
[ 673.746162] ds: 007b es: 007b ss: 0068
[ 673.746166] Process modprobe (pid: 5689, ti=d0bd8000 task=f50eb1b0 task.ti=d0bd8000)
[ 673.746169] Stack: 00000000 d085ee00 0000ffff d0bd9cdc c02d1c3e d085ee00 d0bd9cf4 f8a196e3
[ 673.746177] d0bd9cf4 f8a19d5b 00000000 00000000 d0bd9d1c f8a19ea4 ee290000 00000286
[ 673.746185] ee290000 ffffffed 0000ffff ee290000 ffffffed 0000ffff d0bd9d88 f8c18539
[ 673.746192] Call Trace:
[ 673.746212] [<c02d1c3e>] device_unregister+0xb/0x15
[ 673.746220] [<f8a196e3>] snd_card_do_free+0xe6/0xf5 [snd]
[ 673.746264] [<f8a19ea4>] snd_card_free+0x77/0x81 [snd]
[ 673.746283] [<f8c18539>] snd_serial_probe+0x47a/0x528 [snd_serial_u16550]
[ 673.746329] [<c02d49ee>] platform_drv_probe+0xf/0x11
[ 673.746339] [<c02d3682>] really_probe+0x79/0x105
[ 673.746349] [<c02d37a3>] driver_probe_device+0x95/0xa1
[ 673.746357] [<c02d37b7>] __device_attach+0x8/0xa
[ 673.746363] [<c02d2c5d>] bus_for_each_drv+0x37/0x60
[ 673.746371] [<c02d3830>] device_attach+0x62/0x76
[ 673.746377] [<c02d2bd2>] bus_attach_device+0x21/0x42
[ 673.746384] [<c02d1fa1>] device_add+0x2a8/0x3eb
[ 673.746390] [<c02d4ce1>] platform_device_add+0xee/0x11e
[ 673.746398] [<c02d4ede>] platform_device_register_simple+0x35/0x4b
[ 673.746405] [<f8c18079>] alsa_card_serial_init+0x39/0x7f [snd_serial_u16550]
[ 673.746416] [<c013338f>] sys_init_module+0x14aa/0x167d
[ 673.746431] [<c0102e70>] syscall_call+0x7/0xb
[ 673.746441] DWARF2 unwinder stuck at syscall_call+0x7/0xb
[ 673.746447] Leftover inexact backtrace:
[ 673.746450] =======================
[ 673.746452] Code: 00 00 00 75 09 eb 17 89 f8 e8 b3 ff ff ff 89 f2 03 93 98 00 00 00 83 c6 14 83 3a 00 75 e9 5b 5e 5f c9 c3 55 89 e5 57 56 89 c6 53 <8b> 78 64 85 ff 74 08 8d 40 10 e8 a9 65 11 00 8b 96 d0 00 00 00
[ 673.746481] EIP: [<c02d1ae5>] device_del+0x8/0x156 SS:ESP 0068:d0bd9cc4
[ 673.746488] <7>APIC error on CPU0: 02(02)
[ 964.354816] APIC error on CPU0: 02(02)
[ 1072.335683] APIC error on CPU0: 02(02)
-
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