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| Filename | Latest commit message | Latest commit date |
|---|---|---|
dc1435c00f
SRP logic used device name and port index as symlink to relevant
kobject. If the IB device is renamed then the prior name will be re-used
by the next device plugged in and sysfs will panic as SRP will try to
re-use the same name.
mlx5_ib: Mellanox Connect-IB Infiniband driver v5.0-0
sysfs: cannot create duplicate filename '/class/infiniband_srp/srp-mlx5_0-1'
CPU: 3 PID: 1107 Comm: modprobe Not tainted 5.1.0-for-upstream-perf-2019-05-12_15-09-52-87 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
Call Trace:
dump_stack+0x5a/0x73
sysfs_warn_dup+0x58/0x70
sysfs_do_create_link_sd.isra.2+0xa3/0xb0
device_add+0x33f/0x660
srp_add_one+0x301/0x4f0 [ib_srp]
add_client_context+0x99/0xe0 [ib_core]
enable_device_and_get+0xd1/0x1b0 [ib_core]
ib_register_device+0x533/0x710 [ib_core]
? mutex_lock+0xe/0x30
__mlx5_ib_add+0x23/0x70 [mlx5_ib]
mlx5_add_device+0x4e/0xd0 [mlx5_core]
mlx5_register_interface+0x85/0xc0 [mlx5_core]
? 0xffffffffa0791000
do_one_initcall+0x4b/0x1cb
? kmem_cache_alloc_trace+0xc6/0x1d0
? do_init_module+0x22/0x21f
do_init_module+0x5a/0x21f
load_module+0x17f2/0x1ca0
? m_show+0x1c0/0x1c0
__do_sys_finit_module+0x94/0xe0
do_syscall_64+0x48/0x120
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f157cce10d9
The module load/unload sequence was used to trigger such kernel panic:
sudo modprobe ib_srp
sudo modprobe -r mlx5_ib
sudo modprobe -r mlx5_core
sudo modprobe mlx5_core
Have SRP track the name of the core device so that it can't have a name
collision.
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.