Public bug reported:
Binary package hint: linux-source-2.6.20
This is on up to date (as of 20070513) feisty system, x86.
When I comment the NoAccel "true" line in /etc/X11/xorg.conf, the
computer freezes (no ping, no keyboard/mouse reaction, need to reboot)
after a few seconds to a few minute of use.
When the NoAccel "true" is present, the computer is completely stable
(no freeze/crash) but of course scrolling and moving windows around is
quite slow.
>From a remote ssh on console I was lucky to get oops message the last
time I tried to enable Accel, see below for details.
Let me know if there are things I could try.
Laurent
1/ cat /proc/version
Linux version 2.6.20-15-386 ([EMAIL PROTECTED]) (gcc version 4.1.2 (Ubuntu
4.1.2-0ubuntu4)) #2 Sun Apr 15 07:34:00 UTC 2007
2/ lscpi
00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400/KT600 AGP] Host
Bridge (rev 80)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 80)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 80)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 80)
00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237
AC97 Audio Controller (rev 50)
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74)
01:00.0 VGA compatible controller: ATI Technologies Inc RV280 [Radeon 9200 SE]
(rev 01)
01:00.1 Display controller: ATI Technologies Inc RV280 [Radeon 9200 SE]
(Secondary) (rev 01)
3/ xorg.conf for stable computer, just commenting the NoAccel true line
make it unstable:
Section "Device"
Identifier "aticonfig-Device[0]"
# Driver "fglrx"
Driver "radeon"
Option "VideoOverlay" "off"
Option "OpenGLOverlay" "off"
Option "AGPFastWrite" "false"
#BusID "PCI:1:0:0"
#Option "AGPMode" "1"
Option "NoAccel" "true"
EndSection
4/ kernel oops message on console
gargas kernel: [ 5088.641485] Oops: 0000 [#1]
gargas kernel: [ 5088.641598] CPU: 0
gargas kernel: [ 5088.641600] EIP: 0060:[unix_poll+9/160] Not tainted VLI
gargas kernel: [ 5088.641603] EFLAGS: 00210246 (2.6.20-15-386 #2)
gargas kernel: [ 5088.641619] EIP is at unix_poll+0x9/0xa0
gargas kernel: [ 5088.641624] eax: f4aa22a0 ebx: 00ad4520 ecx: 00000000
edx: f4fa0b60
gargas kernel: [ 5088.641630] esi: 00000000 edi: f4aa22a0 ebp: 00000000
esp: ee037c18
gargas kernel: [ 5088.641634] ds: 007b es: 007b ss: 0068
gargas kernel: [ 5088.641639] Process gnome-panel (pid: 10464, ti=ee036000
task=edade590 task.ti=ee036000)
gargas kernel: [ 5088.641643] Stack: c02f1200 ee037ebc c0269d3c 00000000
c016ede2 ee037c54 ee037fac 083a03c0
gargas kernel: [ 5088.641654] 083a0448 00000000 ee037e94 ee037e94
00000011 ee037f24 ee037e94 c016fad0
gargas kernel: [ 5088.641664] 00000000 00000000 00000000 f68be7a0
00000000 edade590 c01186a0 00100100
gargas kernel: [ 5088.641673] Call Trace:
gargas kernel: [ 5088.641681] [sock_poll+12/16] sock_poll+0xc/0x10
gargas kernel: [ 5088.641692] [do_sys_poll+418/976] do_sys_poll+0x1a2/0x3d0
gargas kernel: [ 5088.641716] [__pollwait+0/240] __pollwait+0x0/0xf0
gargas kernel: [ 5088.641731] [default_wake_function+0/16]
default_wake_function+0x0/0x10
gargas kernel: [ 5088.641752] [default_wake_function+0/16]
default_wake_function+0x0/0x10
gargas kernel: [ 5088.641768] [default_wake_function+0/16]
default_wake_function+0x0/0x10
gargas kernel: [ 5088.641784] [default_wake_function+0/16]
default_wake_function+0x0/0x10
gargas kernel: [ 5088.641800] [default_wake_function+0/16]
default_wake_function+0x0/0x10
gargas kernel: [ 5088.641816] [default_wake_function+0/16]
default_wake_function+0x0/0x10
gargas kernel: [ 5088.641832] [default_wake_function+0/16]
default_wake_function+0x0/0x10
gargas kernel: [ 5088.641853] [__activate_task+33/64] __activate_task+0x21/0x40
gargas kernel: [ 5088.641881] [__wake_up_common+57/96]
__wake_up_common+0x39/0x60
gargas kernel: [ 5088.641897] [__activate_task+33/64] __activate_task+0x21/0x40
gargas kernel: [ 5088.641915] [unix_write_space+94/96]
unix_write_space+0x5e/0x60
gargas kernel: [ 5088.641931] [__wake_up_common+57/96]
__wake_up_common+0x39/0x60
gargas kernel: [ 5088.641960] [sock_def_readable+86/96]
sock_def_readable+0x56/0x60
gargas kernel: [ 5088.641972] [unix_stream_sendmsg+406/816]
unix_stream_sendmsg+0x196/0x330
gargas kernel: [ 5088.641998] [mntput_no_expire+27/128]
mntput_no_expire+0x1b/0x80
gargas kernel: [ 5088.642019] [sock_aio_write+285/304]
sock_aio_write+0x11d/0x130
gargas kernel: [ 5088.642032] [get_page_from_freelist+581/816]
get_page_from_freelist+0x245/0x330
gargas kernel: [ 5088.642106] [__switch_to+170/464] __switch_to+0xaa/0x1d0
gargas kernel: [ 5088.642113] [native_write_cr0+0/16] native_write_cr0+0x0/0x10
gargas kernel: [ 5088.642129] [schedule+642/1408]
__sched_text_start+0x282/0x580
gargas kernel: [ 5088.642144] [read_tsc+6/16] read_tsc+0x6/0x10
gargas kernel: [ 5088.642154] [do_gettimeofday+49/240]
do_gettimeofday+0x31/0xf0
gargas kernel: [ 5088.642175] [copy_to_user+41/80] copy_to_user+0x29/0x50
gargas kernel: [ 5088.642192] [sys_poll+43/64] sys_poll+0x2b/0x40
gargas kernel: [ 5088.642200] [sysenter_past_esp+105/169]
sysenter_past_esp+0x69/0xa9
gargas kernel: [ 5088.642234] =======================
gargas kernel: [ 5088.642237] Code: db eb 04 89 c1 89 d0 03 59 60 8b 10 0f 18
02 90 39 c7 75 ef eb cc 31 db eb c8 90 8d b4 26 00 00 00 00 56 85 c9 53 8b 5a
14 89 ce <8b> 53 38 74 06 85 d2 74 02 ff 16 83 bb b4 00 00 00 01 0f b6 43
gargas kernel: [ 5088.642279] EIP: [unix_poll+9/160] unix_poll+0x9/0xa0 SS:ESP
0068:ee037c18
** Affects: linux-source-2.6.20 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
kernel oops, probably due to radeon Accel
https://bugs.launchpad.net/bugs/114415
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