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6ea088b27e
For this case, the weight might be 0, so can't do transmit. This patch can solve following ussue: [ 60.737783][ T147] rk_gmac-dwmac fe1b0000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx [ 60.737877][ T147] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 65.829085][ C5] ------------[ cut here ]------------ [ 65.829150][ C5] NETDEV WATCHDOG: eth0 (rk_gmac-dwmac): transmit queue 0 timed out [ 65.829252][ C5] WARNING: CPU: 5 PID: 0 at net/sched/sch_generic.c:526 dev_watchdog+0x208/0x228 [ 65.829294][ C5] Modules linked in: bcmdhd dhd_static_buf r8168 [ 65.829329][ C5] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 6.1.25 #65 [ 65.829350][ C5] Hardware name: Rockchip RK3588 EVB1 LP4 V10 Board (DT) [ 65.829365][ C5] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 65.829386][ C5] pc : dev_watchdog+0x208/0x228 [ 65.829410][ C5] lr : dev_watchdog+0x208/0x228 [ 65.829432][ C5] sp : ffffffc00a203e10 [ 65.829446][ C5] x29: ffffffc00a203e10 x28: dead000000000122 x27: 0000000000000000 [ 65.829474][ C5] x26: ffffffc00a203ea0 x25: 0000000000000001 x24: ffffff82f6dadfb0 [ 65.829498][ C5] x23: ffffffc009cc6000 x22: 0000000000000000 x21: ffffff810111039c [ 65.829520][ C5] x20: ffffff8101110000 x19: ffffff8101110448 x18: ffffffc00a1ed030 [ 65.829542][ C5] x17: 756f2064656d6974 x16: ffffffffffffffff x15: 0000000000000004 [ 65.829564][ C5] x14: ffffffc009d4d360 x13: 0000000000003fff x12: 0000000000000003 [ 65.829586][ C5] x11: 00000000ffffbfff x10: c0000000ffffbfff x9 : 242a4f7b9d363e00 [ 65.829610][ C5] x8 : 242a4f7b9d363e00 x7 : 205b5d3035313932 x6 : 382e35362020205b [ 65.829631][ C5] x5 : ffffffc00a16e61f x4 : ffffffc00a203b47 x3 : 0000000000000000 [ 65.829652][ C5] x2 : 0000000000000000 x1 : ffffffc00a203bb0 x0 : 0000000000000041 [ 65.829675][ C5] Call trace: [ 65.829687][ C5] dev_watchdog+0x208/0x228 [ 65.829711][ C5] call_timer_fn+0x34/0x208 [ 65.829738][ C5] __run_timers+0x1a8/0x2dc [ 65.829760][ C5] run_timer_softirq+0x24/0x48 [ 65.829783][ C5] _stext+0xe0/0x388 [ 65.829803][ C5] ____do_softirq+0x10/0x1c [ 65.829824][ C5] call_on_irq_stack+0x40/0x58 [ 65.829844][ C5] do_softirq_own_stack+0x1c/0x28 [ 65.829865][ C5] __irq_exit_rcu+0x98/0xec [ 65.829885][ C5] irq_exit_rcu+0x10/0x1c [ 65.829903][ C5] el1_interrupt+0xa0/0x170 [ 65.829929][ C5] el1h_64_irq_handler+0x18/0x24 [ 65.829951][ C5] el1h_64_irq+0x78/0x7c [ 65.829968][ C5] cpuidle_enter_state+0x17c/0x440 [ 65.829993][ C5] cpuidle_enter+0x38/0x50 [ 65.830014][ C5] do_idle+0x1ec/0x2c0 [ 65.830034][ C5] cpu_startup_entry+0x24/0x28 [ 65.830052][ C5] secondary_start_kernel+0x12c/0x1a8 [ 65.830074][ C5] __secondary_switched+0x68/0x6c Signed-off-by: David Wu <david.wu@rock-chips.com> Change-Id: I56bf8cfc9bf07b3bc13356ca7b3fe4cb48065d78
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.