** Changed in: xorg-server (Debian)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1424888
Title:
BUG: triggered 'if (axnum >= dev->valuator->numAxes)'
Status in xorg-server package in Ubuntu:
Confirmed
Status in xorg-server package in Debian:
Fix Released
Bug description:
I have a Surface Pro 3, and I'm using evdev to use it. While looking
to tackle another issue (my trackpad suddenly stopped working), I
noticed this in the xorg log:
[ 3479.176] (II) XINPUT: Adding extended input device "Microsoft Surface
Type Cover" (type: KEYBOARD, id 8)
[ 3479.176] (**) Option "xkb_rules" "evdev"
[ 3479.176] (**) Option "xkb_model" "pc105"
[ 3479.176] (**) Option "xkb_layout" "us"
[ 3479.176] (WW) evdev: Microsoft Surface Type Cover: touchpads, tablets and
touchscreens ignore relative axes.
[ 3479.176] (EE) BUG: triggered 'if (axnum >= dev->valuator->numAxes)'
[ 3479.176] (EE) BUG: ../../Xi/exevents.c:2086 in InitValuatorAxisStruct()
[ 3479.176] (EE)
[ 3479.176] (EE) Backtrace:
[ 3479.176] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x7f8c9d098f76]
[ 3479.176] (EE) 1: /usr/bin/X (InitValuatorAxisStruct+0x67) [0x7f8c9d0280c7]
[ 3479.176] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so
(0x7f8c9476d000+0x51c2) [0x7f8c947721c2]
[ 3479.176] (EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so
(0x7f8c9476d000+0x5406) [0x7f8c94772406]
[ 3479.176] (EE) 4: /usr/lib/xorg/modules/input/evdev_drv.so
(0x7f8c9476d000+0x7088) [0x7f8c94774088]
[ 3479.177] (EE) 5: /usr/bin/X (ActivateDevice+0x4a) [0x7f8c9cf2e50a]
[ 3479.177] (EE) 6: /usr/bin/X (0x7f8c9cee2000+0xa4d91) [0x7f8c9cf86d91]
[ 3479.177] (EE) 7: /usr/bin/X (0x7f8c9cee2000+0xbb8e9) [0x7f8c9cf9d8e9]
[ 3479.177] (EE) 8: /usr/bin/X (0x7f8c9cee2000+0xbbc28) [0x7f8c9cf9dc28]
[ 3479.177] (EE) 9: /usr/bin/X (WakeupHandler+0x6b) [0x7f8c9cf3e24b]
[ 3479.177] (EE) 10: /usr/bin/X (WaitForSomething+0x1c7) [0x7f8c9d096327]
[ 3479.177] (EE) 11: /usr/bin/X (0x7f8c9cee2000+0x57311) [0x7f8c9cf39311]
[ 3479.177] (EE) 12: /usr/bin/X (0x7f8c9cee2000+0x5b706) [0x7f8c9cf3d706]
[ 3479.177] (EE) 13: /lib/x86_64-linux-gnu/libc.so.6
(__libc_start_main+0xf5) [0x7f8c9ac37ec5]
[ 3479.177] (EE) 14: /usr/bin/X (0x7f8c9cee2000+0x45a8e) [0x7f8c9cf27a8e]
[ 3479.177] (EE)
[ 3479.177] (EE) BUG: triggered 'if (axnum >= dev->valuator->numAxes)'
[ 3479.177] (EE) BUG: ../../Xi/exevents.c:2119 in SetScrollValuator()
[ 3479.177] (EE)
[ 3479.177] (EE) Backtrace:
[ 3479.177] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x7f8c9d098f76]
[ 3479.177] (EE) 1: /usr/bin/X (SetScrollValuator+0x76) [0x7f8c9d027ea6]
[ 3479.177] (EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so
(0x7f8c9476d000+0x51ee) [0x7f8c947721ee]
[ 3479.177] (EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so
(0x7f8c9476d000+0x5406) [0x7f8c94772406]
[ 3479.177] (EE) 4: /usr/lib/xorg/modules/input/evdev_drv.so
(0x7f8c9476d000+0x7088) [0x7f8c94774088]
[ 3479.177] (EE) 5: /usr/bin/X (ActivateDevice+0x4a) [0x7f8c9cf2e50a]
[ 3479.177] (EE) 6: /usr/bin/X (0x7f8c9cee2000+0xa4d91) [0x7f8c9cf86d91]
[ 3479.177] (EE) 7: /usr/bin/X (0x7f8c9cee2000+0xbb8e9) [0x7f8c9cf9d8e9]
[ 3479.177] (EE) 8: /usr/bin/X (0x7f8c9cee2000+0xbbc28) [0x7f8c9cf9dc28]
[ 3479.177] (EE) 9: /usr/bin/X (WakeupHandler+0x6b) [0x7f8c9cf3e24b]
[ 3479.177] (EE) 10: /usr/bin/X (WaitForSomething+0x1c7) [0x7f8c9d096327]
[ 3479.177] (EE) 11: /usr/bin/X (0x7f8c9cee2000+0x57311) [0x7f8c9cf39311]
[ 3479.177] (EE) 12: /usr/bin/X (0x7f8c9cee2000+0x5b706) [0x7f8c9cf3d706]
[ 3479.177] (EE) 13: /lib/x86_64-linux-gnu/libc.so.6
(__libc_start_main+0xf5) [0x7f8c9ac37ec5]
[ 3479.177] (EE) 14: /usr/bin/X (0x7f8c9cee2000+0x45a8e) [0x7f8c9cf27a8e]
[ 3479.177] (EE)
[ 3479.178] (II) evdev: Microsoft Surface Type Cover: initialized for
absolute axes.
[ 3479.178] (**) Microsoft Surface Type Cover: (accel) keeping acceleration
scheme 1
[ 3479.178] (**) Microsoft Surface Type Cover: (accel) acceleration profile 0
[ 3479.178] (**) Microsoft Surface Type Cover: (accel) acceleration factor:
2.000
[ 3479.178] (**) Microsoft Surface Type Cover: (accel) acceleration
threshold: 4
I have the similar lines in the beginning of the log also (with
timestamp around 5), and I don't understand why all this is repeated
here also.
I suffer also from:
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/954426
Trying to switch to console mode then come back doesn't trigger these
lines.
This report is only about this BUG behing logged into Xorg file. But
it might be of interest of noting that I'm chasing an sudden issue
with my typecover : the trackpad stopped working. For now, this is
probably unrelated.
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