[#4045] utilizing multiple UARTs simultaneously results in add_timer:BUG()
Submitted By: Mike Frysinger
Open Date
2008-04-18 20:49:56 Close Date
2008-07-20 21:16:56
Priority:
Medium Assignee:
Sonic Zhang
Status:
Closed Fixed In Release:
N/A
Found In Release:
N/A Release:
Category:
N/A Board:
N/A
Processor:
N/A Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Fixed
Uboot version or rev.:
Toolchain version or rev.:
App binary format:
N/A
Summary: utilizing multiple UARTs simultaneously results in add_timer:BUG()
Details:
documented in this thread:
blackfin.uclinux.org/gf/project/uclinux-dist/forum/?action=ForumBrowse&_forum_action=MessageReply&message_id=54440
simple test case is to take a BF537-STAMP, stick on the UART addon card for UART1. then on the serial console on UART0, configure UART1 with stty, and then just execute:
cat /dev/ttyBF1
hook up a random device to UART1 to just send a stream of bytes continuously
Follow-ups
--- Sonic Zhang 2008-04-22 03:07:55
Fixed.
Disable irq when del then add timer in timer handler.
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