• Jian-Hong Pan's avatar
    r8169: don't use MSI-X on RTL8106e · 7bb05b85
    Jian-Hong Pan authored
    Found the ethernet network on ASUS X441UAR doesn't come back on resume
    from suspend when using MSI-X.  The chip is RTL8106e - version 39.
    
    [   21.848357] libphy: r8169: probed
    [   21.848473] r8169 0000:02:00.0 eth0: RTL8106e, 0c:9d:92:32:67:b4, XID
    44900000, IRQ 127
    [   22.518860] r8169 0000:02:00.0 enp2s0: renamed from eth0
    [   29.458041] Generic PHY r8169-200:00: attached PHY driver [Generic
    PHY] (mii_bus:phy_addr=r8169-200:00, irq=IGNORE)
    [   63.227398] r8169 0000:02:00.0 enp2s0: Link is Up - 100Mbps/Full -
    flow control off
    [  124.514648] Generic PHY r8169-200:00: attached PHY driver [Generic
    PHY] (mii_bus:phy_addr=r8169-200:00, irq=IGNORE)
    
    Here is the ethernet controller in detail:
    
    02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
    RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136]
    (rev 07)
    	Subsystem: ASUSTeK Computer Inc. RTL810xE PCI Express Fast
    Ethernet controller [1043:200f]
    	Flags: bus master, fast devsel, latency 0, IRQ 16
    	I/O ports at e000 [size=256]
    	Memory at ef100000 (64-bit, non-prefetchable) [size=4K]
    	Memory at e0000000 (64-bit, prefetchable) [size=16K]
    	Capabilities: <access denied>
    	Kernel driver in use: r8169
    	Kernel modules: r8169
    
    Falling back to MSI fixes the issue.
    
    Fixes: 6c6aa15f ("r8169: improve interrupt handling")
    Signed-off-by: default avatarJian-Hong Pan <jian-hong@endlessm.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    7bb05b85
r8169.c 184 KB