Package: em8300-source
Version: 0.14.0-2
Severity: normal
After the last few upgrades of the i2c source package,
the em8300 module now dies with a kernel oops when
the microcode upload occurs.
kernel: Unable to handle kernel NULL pointer dereference at virtual address
0000002b
kernel: printing eip:
kernel: f8ce0578
kernel: *pde = 00000000
kernel: Oops: 0000
kernel: CPU: 1
kernel: EIP: 0010:[<f8ce0578>] Tainted: P
kernel: EFLAGS: 00010206
kernel: eax: 00000003 ebx: 00000000 ecx: f989ac10 edx: 0000001f
kernel: esi: f989ac10 edi: f989ac10 ebp: f8ce3c60 esp: e4a4fe04
kernel: ds: 0018 es: 0018 ss: 0018
kernel: Process modprobe (pid: 12156, stackpage=e4a4f000)
kernel: Stack: f989ac64 f8ce05be f989ac10 00000000 00000052 f8ce2547
f989ac10 f989ac10
kernel: 00000002 f8ceb398 f989ac10 00000000 00008000 f655ca40 c016d094
c1c16340
kernel: f655ca40 00008124 00000002 00000000 00000000 00000000 00000002
f989ac10
kernel: Call Trace: [<f989ac64>] [<f8ce05be>] [<f989ac10>] [<f8ce2547>]
[<f989ac10>]
kernel: [<f989ac10>] [<f8ceb398>] [<f989ac10>] [<c016d094>] [<f989ac10>]
[<f8ce3c60>]
kernel: [<f8ced081>] [<f989ac10>] [<f8cedb20>] [<f8ced090>] [<f8ce0166>]
[<f989ac10>]
kernel: [<f989aa20>] [<f9899f0b>] [<f9892400>] [<f989ac10>] [<f988f35e>]
[<f989ac10>]
kernel: [<f989aa20>] [<f9891fcf>] [<f989ac10>] [<f989aa20>] [<f9892212>]
[<f989aa20>]
kernel: [<c013da6b>] [<c0121294>] [<f9891060>] [<f989a670>] [<f9891060>]
[<c0108ebb>]
kernel:
kernel: Code: 39 58 28 74 0a 42 83 fa 1f 7e ed 31 c0 5b c3 b8 f0 ff ff ff
My modutils entry for em8300 is as follows.
#*****************************************************************************#
#
# file : /etc/modutils/em8300
#
#*---------------------------------------------------------------------------*#
#
alias char-major-121 em8300
#
alias /dev/em8300* em8300
#
alias sound-slot-1 em8300
#
alias sound-service-1-0 em8300
#
#.............................................................................#
#
below em8300 bt865
options em8300 use_bt865=1
post-install em8300 /usr/bin/em8300setup -3 -d -f
/usr/share/em8300/bt_mcode0.bin
#
#*****************************************************************************#
If I remove this file, I can manually do a modprobe -a on em8300 and
it loads without problem. On manually executing the em8300setup command to
load the microcode, then the kernel oops occurs.
This problem started occurring when the i2c-source package was upgraded to
1:2.8.8-1
and still occurs with the latest 1:2.9.0-4.
The kernel is a custom compiled version of kernel-source-2.4.27.
PS Wishlist item : will em8300 ever be supported under kernel versions 2.6?
The lack of support under 2.6 is preventing my migration from 2.4
series to 2.6 series.
-- System Information:
Debian Release: sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.4.27
Locale: LANG=C, LC_CTYPE=en_US (charmap=ISO-8859-1)
Versions of packages em8300-source depends on:
ii em8300-headers 0.14.0-2 Kernel headers to access DXR3/Holl
-- debconf information:
em8300-source/kernel-source-not-found:
* em8300-source/kernel-source: /usr/src/linux/
em8300-source/install_note:
* em8300-source/build_modules: true
em8300-source/text_compiling:
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