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Bug 39888 - kdeinit crashes 2.6.1-gentoo Kernel??
Summary: kdeinit crashes 2.6.1-gentoo Kernel??
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: x86 Linux
: High critical (vote)
Assignee: (DEPRECATED)
Depends on:
Reported: 2004-01-30 08:54 UTC by Matthias Muthmann
Modified: 2004-04-08 22:42 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


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Description Matthias Muthmann 2004-01-30 08:54:48 UTC
Since I upgraded to 2.6.1-gentoo kernel my system became very unstable.
While working on my KDE-desktop, all windows suddenly stop responding, but the mouse is still moving.
In most cases it is possible to switch to a framebuffer console, but I cannot use the top command or kill an application or shut the System down
When I try to kill the X-server, the whole System freezes when trying to reload the X-server.
After the last crash I found the following lines in my log:

Jan 30 16:55:21 Dirac Unable to handle kernel NULL pointer dereference at virtual address 0000003f
Jan 30 16:55:21 Dirac printing eip:
Jan 30 16:55:21 Dirac e29ef01c
Jan 30 16:55:21 Dirac *pde = 00000000
Jan 30 16:55:21 Dirac Oops: 0000 [#1]
Jan 30 16:55:21 Dirac CPU:    0
Jan 30 16:55:21 Dirac EIP:    0060:[<e29ef01c>]    Tainted: G S
Jan 30 16:55:21 Dirac EFLAGS: 00210286
Jan 30 16:55:21 Dirac EIP is at mga_vm_shm_close+0x77/0x1d8 [mga]
Jan 30 16:55:21 Dirac eax: 00000004   ebx: da994c40   ecx: d7991ca0   edx: 00000003
Jan 30 16:55:21 Dirac esi: 00000003   edi: d7991fc0   ebp: df1b4c00   esp: c217dbfc
Jan 30 16:55:21 Dirac ds: 007b   es: 007b   ss: 0068
Jan 30 16:55:21 Dirac Process kdeinit (pid: 5079, threadinfo=c217c000 task=d6681310)
Jan 30 16:55:21 Dirac Stack: c7ca22a0 0000000c 00000006 c014eda5 df14e020 df14e000 d0d34500 d0d34540
Jan 30 16:55:21 Dirac e29eefa5 ddad3000 c0150b7d d0d34500 d0d344c0 00000000 00000000 ffffffff
Jan 30 16:55:21 Dirac c217dc44 c150b080 000006fd d84f0080 d84f0080 d6681310 c0120d3d d84f0080
Jan 30 16:55:21 Dirac Call Trace:
Jan 30 16:55:21 Dirac [<c014eda5>] remove_shared_vm_struct+0x41/0x99
Jan 30 16:55:21 Dirac [<e29eefa5>] mga_vm_shm_close+0x0/0x1d8 [mga]
Jan 30 16:55:21 Dirac [<c0150b7d>] exit_mmap+0x1d5/0x230
Jan 30 16:55:21 Dirac [<c0120d3d>] mmput+0x72/0xc2
Jan 30 16:55:21 Dirac [<c01685a7>] exec_mmap+0x121/0x20d
Jan 30 16:55:21 Dirac [<c0168819>] flush_old_exec+0x186/0xa40
Jan 30 16:55:21 Dirac [<c0168477>] kernel_read+0x50/0x5f
Jan 30 16:55:21 Dirac [<c0189aff>] load_elf_binary+0x314/0xc75
Jan 30 16:55:21 Dirac [<c011b5f1>] pgd_alloc+0x18/0x1c
Jan 30 16:55:21 Dirac [<c01897eb>] load_elf_binary+0x0/0xc75
Jan 30 16:55:21 Dirac [<c0169477>] search_binary_handler+0xfb/0x333
Jan 30 16:55:21 Dirac [<c016993b>] do_execve+0x28c/0x2a7
Jan 30 16:55:21 Dirac [<c0107c51>] sys_execve+0x50/0x80
Jan 30 16:55:21 Dirac [<c01095c7>] syscall_call+0x7/0xb
Jan 30 16:55:21 Dirac

Reproducible: Didn't try
Steps to Reproduce:

Portage 2.0.49-r20 (default-x86-1.4, gcc-3.2.3, glibc-2.3.2-r9, 2.6.1-gentoo)
System uname: 2.6.1-gentoo i686 AMD Athlon(tm) processor
Gentoo Base System version
CFLAGS="-march=athlon-tbird -O3 -pipe -fomit-frame-pointer -mmmx -m3dnow"
CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config
/usr/kde/3.1/share/config /usr/kde/3/share/config /usr/share/config
/usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/
CONFIG_PROTECT_MASK="/etc/gconf /etc/env.d"
CXXFLAGS="-march=athlon-tbird -O3 -pipe -fomit-frame-pointer -mmmx -m3dnow"
FEATURES="autoaddcvs ccache sandbox"
USE="3dnow X alsa apm arts avi berkdb bonobo cdr crypt cups dga directfb encode
esd evo fbcon foomaticdb gb gd gdbm ggi gif gtk gtk2 gtkhtml imlib java jikes
jpeg kde kerberos lcms libg++ libwww mad matrox mga mikmod mmx motif mozilla
mpeg nas ncurses nls oggvorbis opengl oss pda pdflib perl png ppds python qt
qtmt quicktime readline scanner sdl slang spell ssl svga tcltk tcpd tetex tiff
truetype usb x86 xface xml2 xmms xv zlib video_cards_matrox"

My kernelconfig:
Comment 1 Jason Cox (RETIRED) gentoo-dev 2004-03-29 08:33:57 UTC
Can you try it without framebuffer and bootsplash (if you use bootsplash) and check again?
Comment 2 Matthias Muthmann 2004-03-29 09:12:59 UTC
Since I updated to a later release, the bug didn't happen again.
Comment 3 Jason Cox (RETIRED) gentoo-dev 2004-04-08 22:42:25 UTC
Good to hear. Bug is gone.
Comment 4 Jason Cox (RETIRED) gentoo-dev 2004-04-08 22:42:41 UTC
Bug fixed.