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| Filename | Latest commit message | Latest commit date |
|---|---|---|
b1bc8753ee
[ Upstream commit 7c47a219b95d0e06b5ef5fcc7bad807895015eac ]
We met mulitple times of failure of staring bmc-watchdog,
due to the runtime memory allocation failure of order 4.
bmc-watchdog: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
CPU: 1 PID: 2571 Comm: bmc-watchdog Not tainted 5.5.0-00045-g7d6bb61d6188c #1
Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.00.01.0015.110720180833 11/07/2018
Call Trace:
dump_stack+0x66/0x8b
warn_alloc+0xfe/0x160
__alloc_pages_slowpath+0xd3e/0xd80
__alloc_pages_nodemask+0x2f0/0x340
kmalloc_order+0x18/0x70
kmalloc_order_trace+0x1d/0xb0
ipmi_create_user+0x55/0x2c0 [ipmi_msghandler]
ipmi_open+0x72/0x110 [ipmi_devintf]
chrdev_open+0xcb/0x1e0
do_dentry_open+0x1ce/0x380
path_openat+0x305/0x14f0
do_filp_open+0x9b/0x110
do_sys_open+0x1bd/0x250
do_syscall_64+0x5b/0x1f0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Using vzalloc/vfree for creating ipmi_user heals the
problem
Thanks to Stephen Rothwell for finding the vmalloc.h
inclusion issue.
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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| kernel | ||
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| net | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.