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List:       linux-kernel
Subject:    SB oops 2.2pre1-ac3
From:       Adrian Bridgett <adrian.bridgett () zetnet ! co ! uk>
Date:       1998-12-31 23:50:33
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(grabbed from /var/log/syslog)

Dec 31 21:36:31 wyvern kernel: Soundblaster audio driver Copyright (C) by Hannu Savolainen 1993-1996
Dec 31 21:36:31 wyvern kernel: SB 2.2 detected OK (240)
Dec 31 21:36:32 wyvern kernel: YM3812 and OPL-3 driver Copyright (C) by Hannu Savolainen, Rob Hooft \
                1993-1996
Dec 31 21:36:32 wyvern modprobe: post-install /lib/modules/2.2.0-pre1-ac3/misc/sb.o failed
Dec 31 21:36:32 wyvern kernel: Unable to handle kernel NULL pointer dereference at virtual address \
                0000002c
Dec 31 21:36:32 wyvern kernel: current->tss.cr3 = 0103d000, %cr3 = 0103d000
Dec 31 21:36:32 wyvern kernel: *pde = 00000000
Dec 31 21:36:32 wyvern kernel: Oops: 0000
Dec 31 21:36:32 wyvern kernel: CPU:    0
Dec 31 21:36:32 wyvern kernel: EIP:    0010:[<c3859948>]
Dec 31 21:36:32 wyvern kernel: EFLAGS: 00010293
Dec 31 21:36:32 wyvern kernel: eax: 00000000   ebx: c2b9db40   ecx: 0000000bedx: 0000024a
Dec 31 21:36:32 wyvern kernel: esi: 00000246   edi: 00000002   ebp: 00000004esp: c103fed4
Dec 31 21:36:32 wyvern kernel: ds: 0018   es: 0018   ss: 0018
Dec 31 21:36:32 wyvern kernel: Process ip-up (pid: 319, process nr: 45, stackpage=c103f000)
Dec 31 21:36:32 wyvern kernel: Stack: c2b9db40 0000000b c2b9db40 c3863000 00000004 00000002 c384b081 \
                00000000
Dec 31 21:36:32 wyvern kernel:        00000002 c3861000 00000000 00000004 00000008 00000004 c385604c \
                c20b0b40
Dec 31 21:36:32 wyvern kernel:        c38492cb 00000000 00000002 c2514560 00000004 c2a39ea8 c20b0b40 \
                c384866b
Dec 31 21:36:32 wyvern kernel: Call Trace: [<c3863000>] [<c384b081>] [<c3861000>] [<c385604c>] \
                [<c38492cb>] [<c384866b>] [get_chrfops+30/36]
Dec 31 21:36:32 wyvern kernel:        [<c38332b9>] [chrdev_open+62/76] [filp_open+174/248] \
                [sys_open+56/148] [system_call+52/56]
Dec 31 21:36:32 wyvern kernel: Code: 8b 04 88 0f b6 d0 25 00 ff 00 00 c1 f8 08 50 52 51 53 e8 19

ksyms|sort|grep interesting-numbers:
c3833200  unregister_sound_special_R99c95fa5  [soundcore]
c383321c  unregister_sound_mixer_R7afc9d8a  [soundcore]
...
c384a154  dma_ioctl_Rfa21d662               [sound]
c384c048  DMAbuf_start_dma_Re056b71c        [sound]
...
c3858ce0  sb_dsp_unload_Rc4884969           [sb]
c385af48  sb_be_quiet_R42424109             [sb]
c386504c  scsi_unregister_Raf04e746         [scsi_mod]
c38650e8  scsi_register_Rbe380f7d           [scsi_mod]
c3865f9c  scsi_request_queueable_R655d1b68  [scsi_mod]
c38661dc  scsi_allocate_device_R7a50d6e8    [scsi_mod]

lsmod shows this (rmmod -a run several times):

Module                  Size  Used by
sb                     27712   0  (autoclean) (unused)
uart401                 5628   0  (autoclean) [sb]
sound                  55960   0  (autoclean) [sb uart401]
soundcore               1960   5  (autoclean) [sb sound]
serial                 16796   1  (autoclean)
nls_iso8859-1           2024   1  (autoclean)
nls_cp437               3548   1  (autoclean)
vfat                   13100   1  (autoclean)
fat                    24000   1  (autoclean) [vfat]

Can't some of the sound modules be unloaded?

Cheers

Adrian

email: adrian.bridgett@zetnet.co.uk, http://www.poboxes.com/adrian.bridgett
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