When I modprobe ltserial under 2.6.4 (vanilla), modprobe segfaults and I get the following error in my dmesg: Mar 23 20:44:31 lucy Loading Lucent Modem Controller driver version 8.26 Mar 23 20:44:49 lucy Unable to handle kernel paging request at virtual address d4d596c8 Mar 23 20:44:49 lucy printing eip: Mar 23 20:44:49 lucy d4e6147f Mar 23 20:44:49 lucy *pde = 13e1f067 Mar 23 20:44:49 lucy *pte = 00000000 Mar 23 20:44:49 lucy Oops: 0002 [#1] Mar 23 20:44:49 lucy PREEMPT Mar 23 20:44:49 lucy CPU: 0 Mar 23 20:44:49 lucy EIP: 0060:[<d4e6147f>] Tainted: P Mar 23 20:44:49 lucy EFLAGS: 00010206 Mar 23 20:44:49 lucy EIP is at lucent_detect_modem+0x47/0x228 [ltmodem] Mar 23 20:44:49 lucy eax: ffff00bc ebx: 0000045d ecx: d4d596c8 edx: 00000003 Mar 23 20:44:49 lucy esi: cda6bf2c edi: ffffffff ebp: c0364b18 esp: cda6bf1c Mar 23 20:44:49 lucy ds: 007b es: 007b ss: 0068 Mar 23 20:44:49 lucy Process modprobe (pid: 1240, threadinfo=cda6a000 task=d22d06a0) Mar 23 20:44:49 lucy Stack: c0133359 00000000 00000000 d4d5dbe0 40001000 00000000 00000348 00000320 Mar 23 20:44:49 lucy d3d3bbc0 d4d87000 d4d5dbe0 0000000a 00000000 00000000 00000000 00000009 Mar 23 20:44:49 lucy 00000000 0000000d 00000000 c0364b30 d4d5dd00 cda6a000 c0364b18 d4e32905 Mar 23 20:44:49 lucy Call Trace: Mar 23 20:44:49 lucy [<c0133359>] load_module+0x7a9/0xa20 Mar 23 20:44:49 lucy [<d4d87000>] lt_init+0x0/0x133 [ltserial] Mar 23 20:44:49 lucy [<d4e32905>] lt_lucent_detect_modem+0x135/0x140 [ltmodem] Mar 23 20:44:49 lucy [<d4d8701b>] lt_init+0x1b/0x133 [ltserial] Mar 23 20:44:49 lucy [<c01336b8>] sys_init_module+0xe8/0x1f0 Mar 23 20:44:49 lucy [<c010925b>] syscall_call+0x7/0xb Mar 23 20:44:49 lucy Mar 23 20:44:49 lucy Code: 66 89 01 88 51 02 eb ea e8 f0 de fd ff fe c8 0f 94 c0 0f b6 The lucent driver works under 2.4 (in Knoppix at least). I have a Toshiba 7140CT laptop with an onboard lucent modem. Here's the relevant part of my /proc/pci: Communication controller: Lucent Microelectronics 56k WinModem (rev 1). IRQ 3. Master Capable. No bursts. Min Gnt=252.Max Lat=14. Non-prefetchable 32 bit memory at 0xffefff00 [0xffefffff]. I/O at 0x2f8 [0x2ff]. I/O at 0x1c00 [0x1cff]. Reproducible: Always Steps to Reproduce: 1. run linux-2.6.4 2. emerge ltmodem-8.26_alpha9-r3 3. modprobe ltserial ortage 2.0.50-r1 (default-x86-2004.0, gcc-3.3.2, glibc-2.3.2-r9, 2.6.4) ================================================================= System uname: 2.6.4 i686 Pentium III (Coppermine) Gentoo Base System version 1.4.3.13 Autoconf: sys-devel/autoconf-2.58-r1 Automake: sys-devel/automake-1.7.7 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-march=pentium3 -O2 -ffast-math -fomit-frame-pointer -s -pipe" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=pentium3 -O2 -ffast-math -fomit-frame-pointer -s -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache sandbox" GENTOO_MIRRORS="http://gentoo.oregonstate.edu http://distro.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://jove.eng.yale.edu/gentoo-portage" USE="X acpi alsa arts avi berkdb crypt dvd encode ethereal foomaticdb gdbm gif gphoto2 gpm gtk gtk2 imlib jpeg kde libg++ libwww mad mikmod mmx motif mpeg ncurses oggvorbis opengl oss pam pcmcia pdflib perl png pnp python qt quicktime readline samba sdl slang sse ssl svga tcpd truetype x86 xml2 xmms xv zlib"
Please test ebuild from bug #59665 and see if the problem is solved by it.
The module now loads correctly, my problem is resolved. Thanks!
solved in bug 59665
