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rb532A, with two miniPCI Oxford Semiconductor Ltd OX16PCI954 modules installed
Software versions of OpenWrt/LEDE release, packages, etc.
kernel 4.4.197
Steps to reproduce
Software Configuration
kernel compiled with CONFIG_VIA_RHINE_MMIO set to "Y"
Hardware Configuration
two MiniPCI OX16PCI954 Quad UART installed
one module installed on the router's miniPCI slot
one module installed on the daughter board's miniPCI slot
/dev/ttyS5 continuously bombarded by messages over the serial
Eth0, Eth1, Eth1 are bridged
Eth1 (via-rhine) is continuously bombarded by TFTP requests
Eth0 executes minicom monitoring /dev/ttyS5
Tasks
minicom
in.tftpd
The machine looks working properly in the window time of some hours, but within 48 hours some weird things happened, and it crashed due to what seems memory corruption in kernel space.
ivelegacy:
rb532A, with two miniPCI Oxford Semiconductor Ltd OX16PCI954 modules installed
kernel 4.4.197
Software Configuration
Hardware Configuration
Tasks
minicom
in.tftpd
The machine looks working properly in the window time of some hours, but within 48 hours some weird things happened, and it crashed due to what seems memory corruption in kernel space.
Workaround
--- .config 2019-10-28 20:02:02.000000000 +0100
+++ .config 2019-03-22 10:08:26.000000000 +0100
@@ -1105,7 +1105,7 @@
CONFIG_NET_VENDOR_TOSHIBA is not set
CONFIG_NET_VENDOR_VIA=y
CONFIG_VIA_RHINE=y
-CONFIG_VIA_RHINE_MMIO=y
+# CONFIG_VIA_RHINE_MMIO is not set
Unsetting CONFIG_VIA_RHINE_MMIO solves the problem
more details here [1]
[1] http://www.downthebunker.com/reloaded/space/viewtopic.php?f=79&p=2842
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