Re: [PATCH v2 1/2] rtw88: pci: Rearrange the memory usage for skb in RX ISR

2019-07-10 Thread Jian-Hong Pan
Tony Chuang 於 2019年7月10日 週三 下午4:37寫道: > > > Subject: [PATCH v2 1/2] rtw88: pci: Rearrange the memory usage for skb in > > RX ISR > > > > Testing with RTL8822BE hardware, when available memory is low, we > > frequently see a kernel panic and system freeze. > &g

RE: [PATCH v2 1/2] rtw88: pci: Rearrange the memory usage for skb in RX ISR

2019-07-10 Thread Tony Chuang
> Subject: [PATCH v2 1/2] rtw88: pci: Rearrange the memory usage for skb in > RX ISR > > Testing with RTL8822BE hardware, when available memory is low, we > frequently see a kernel panic and system freeze. > > First, rtw_pci_rx_isr encounters a memory allocation failu

[PATCH v2 1/2] rtw88: pci: Rearrange the memory usage for skb in RX ISR

2019-07-09 Thread Jian-Hong Pan
Testing with RTL8822BE hardware, when available memory is low, we frequently see a kernel panic and system freeze. First, rtw_pci_rx_isr encounters a memory allocation failure (trimmed): rx routine starvation WARNING: CPU: 7 PID: 9871 at drivers/net/wireless/realtek/rtw88/pci.c:822 rtw_pci_rx_is