[Bugme-new] [Bug 9214] New: panic in show_mem on when out_of_memory
bugme-daemon at bugzilla.kernel.org
bugme-daemon at bugzilla.kernel.org
Tue Oct 23 06:10:08 PDT 2007
http://bugzilla.kernel.org/show_bug.cgi?id=9214
Summary: panic in show_mem on when out_of_memory
Product: Memory Management
Version: 2.5
KernelVersion: 2.6.21.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: akpm at osdl.org
ReportedBy: berndp at optonline.net
Most recent kernel where this bug did not occur: unknown
Distribution: Fedora Core 6 x86_64
Hardware Environment: 2 x Quad Xeon Supermicro with 4GB of memory
Software Environment: 64bit
Problem Description:
When running an application that reads a large file (8GB) into memory (4GB), a
kernel panic occurs. No output occured on the serial port, so the following
info was copied from the screen manually.
The process that caused the panic was "init".
RIP: show_mem + 0x8d/0x140
Stack:
out_of_memory + 0x75
__alloc_pages
__do_page_cache_readahead
mntput_no_expire
link_path_walk
filemap_nopage
__handle_mm_fault
do_page_fault
error_exit
This is happening on an 8-way SMP (2 quad xeon processors), supermicro 6015t-tv
Some kernel config info:
X86_64_ACPI_NUMA is switched on
no forced preemption
NUMA support is on
page migration is on
CC_STACKPROTECTOR is on
processor family is MCORE2
Steps to reproduce:
run an application that reads a large file into memory
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