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Filename Latest commit message Latest commit date
Mingcong Bai b51ce65c44 wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723 
commit 77a6407c6ab240527166fb19ee96e95f5be4d3cd upstream.

RTL8723BE found on some ASUSTek laptops, such as F441U and X555UQ with
subsystem ID 11ad:1723 are known to output large amounts of PCIe AER
errors during and after boot up, causing heavy lags and at times lock-ups:

  pcieport 0000:00:1c.5: AER: Correctable error message received from 0000:00:1c.5
  pcieport 0000:00:1c.5: PCIe Bus Error: severity=Correctable, type=Physical Layer, (Receiver ID)
  pcieport 0000:00:1c.5:   device [8086:9d15] error status/mask=00000001/00002000
  pcieport 0000:00:1c.5:    [ 0] RxErr

Disable ASPM on this combo as a quirk.

This patch is a revision of a previous patch (linked below) which
attempted to disable ASPM for RTL8723BE on all Intel Skylake and Kaby Lake
PCIe bridges. I take a more conservative approach as all known reports
point to ASUSTek laptops of these two generations with this particular
wireless card.

Please note, however, before the rtl8723be finishes probing, the AER
errors remained. After the module finishes probing, all AER errors would
indeed be eliminated, along with heavy lags, poor network throughput,
and/or occasional lock-ups.

Cc: <stable@vger.kernel.org>
Fixes: a619d1abe2 ("rtlwifi: rtl8723be: Add new driver")
Reported-by: Liangliang Zou <rawdiamondmc@outlook.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218127
Link: https://lore.kernel.org/lkml/05390e0b-27fd-4190-971e-e70a498c8221@lwfinger.net/T/
Tested-by: Liangliang Zou <rawdiamondmc@outlook.com>
Signed-off-by: Mingcong Bai <jeffbai@aosc.io>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250422061755.356535-1-jeffbai@aosc.io
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-06-27 11:02:51 +01:00
arch xen/arm: call uaccess_ttbr0_enable for dm_op hypercall 2025-06-27 11:02:50 +01:00
block
certs
crypto
Documentation
drivers wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723 2025-06-27 11:02:51 +01:00
fs nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request 2025-06-27 11:02:51 +01:00
include coredump: hand a pidfd to the usermode coredump helper 2025-06-04 14:32:36 +02:00
init
ipc
kernel bpf: Fix WARN() in get_bpf_raw_tp_regs 2025-06-27 11:02:46 +01:00
lib
LICENSES
mm
net calipso: unlock rcu before returning -EAFNOSUPPORT 2025-06-27 11:02:50 +01:00
samples
scripts
security
sound
tools perf record: Fix incorrect --user-regs comments 2025-06-27 11:02:48 +01:00
usr
virt
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Makefile Linux 5.4.294 2025-06-04 14:32:37 +02:00
README

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.