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FS#12040 - Divide by zero immediately after bootloader

Attached to Project: Rockbox
Opened by Václav Brožík (pabouk) - Thursday, 31 March 2011, 23:14 GMT+2
Last edited by Steve Bavin (pondlife) - Saturday, 02 April 2011, 10:54 GMT+2
Task Type Bugs
Category Operating System/Drivers
Status Closed
Assigned To No-one
Player Type Sansa AMSv2
Severity Low
Priority Normal
Reported Version Daily build (which?)
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Private No

Details

The latest build shows "Divide by zero at 30065EF0" immediately after boot.

------ the problematic build:
Target: sansaclipplus
Target id: 66
Target define: -DSANSA_CLIPPLUS
Memory: 8
CPU: arm
Manufacturer: as3525
Version: r29664-110331
Binary: rockbox.sansa
Binary size: 506040
Actual size: 506032
RAM usage: 753652
Features: alarm:crossfade:dircache:flash_storage:lcd_bitmap:lcd_invert:pitchscreen:multivolume:quickscreen:radio:recording:recording_swcodec:recording_mic:rtc:swcodec:tagcache:tc_ramcache:charging:large_plugin_buffer:ab_repeat_buttons:lcd_flip:lcd_contrast:usb_power
gcc: arm-elf-eabi-gcc (GCC) 4.4.4
ld: GNU ar (GNU Binutils) 2.20.1.20100303
Host gcc: gcc (Debian 4.3.2-1.1) 4.3.2
Host system: Linux

The latest daily build works.
------ the working daily build:
Target: sansaclipplus
Target id: 66
Target define: -DSANSA_CLIPPLUS
Memory: 8
CPU: arm
Manufacturer: as3525
Version: r29662-110330
Binary: rockbox.sansa
Binary size: 506032
Actual size: 506024
RAM usage: 753652
Features: alarm:crossfade:dircache:flash_storage:lcd_bitmap:lcd_invert:pitchscreen:multivolume:quickscreen:radio:recording:recording_swcodec:recording_mic:rtc:swcodec:tagcache:tc_ramcache:charging:large_plugin_buffer:ab_repeat_buttons:lcd_flip:lcd_contrast:usb_power
gcc: arm-elf-eabi-gcc (GCC) 4.4.4
ld: GNU ar (GNU Binutils) 2.20.1.20100303
Host gcc: gcc (GCC) 4.4.4 20100630 (Red Hat 4.4.4-10)
Host system: Linux

So there are only 2 commits to check: r29664 and r29663. I guess r29664 is more suspicious.
This task depends upon

Closed by  Steve Bavin (pondlife)
Saturday, 02 April 2011, 10:54 GMT+2
Reason for closing:  Fixed
Comment by Andree Buschmann (Buschel) - Friday, 01 April 2011, 00:15 GMT+2
> I guess r29664 is more suspicious.

It is. r29665 should have fixed the issue.
Comment by Václav Brožík (pabouk) - Saturday, 02 April 2011, 00:28 GMT+2
Yes, Rockbox does not crash any more. Thank you for the quick fix.
The task could be closed.

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