pfeng: BUG: sleeping function called from invalid context

ChenJun945 — Thu, 10 Mar 2022 02:39:50 GMT

Maybe I got A BUG with pfeng? In atomic context should not call kmalloc(GFP_KERNEL)

BUG: sleeping function called from invalid context at mm/slab.h:514

in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 287, name: ip

4 locks held by ip/287:

#0: ffffffd012018188 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3b0/0xad0

#1: ffffff8008fee268 (_xmit_ETHER){+...}-{2:2}, at: __dev_open+0x31c/0x470

#2: ffffff80041df4c0 (mutex#10){+.+.}-{3:3}, at: pfe_phy_if_add_mac_addr+0x38/0x24c [pfeng]

#3: ffffff80041d0480 (mutex#12){+.+.}-{3:3}, at: pfe_mac_db_add_addr+0x38/0x290 [pfeng]

Preemption disabled at:

[<ffffffd010fbe91c>] __dev_open+0x30c/0x470

CPU: 1 PID: 287 Comm: ip Tainted: G O 5.10.41 #3

Hardware name: Freescale S32G274 (DT)

Call trace:

dump_backtrace+0x0/0x48c

show_stack+0x2c/0x40

dump_stack+0x18c/0x210

___might_sleep+0x378/0x550

__might_sleep+0x9c/0x190

__kmalloc+0x2cc/0x45c

oal_mm_malloc+0x24/0x34 [pfeng]

pfe_mac_db_add_addr+0xb0/0x290 [pfeng]

pfe_phy_if_add_mac_addr+0x144/0x24c [pfeng]

pfeng_hif_chnl_fill_rx_buffers+0x2644/0x5f00 [pfeng]

pfeng_hif_chnl_fill_rx_buffers+0x287c/0x5f00 [pfeng]

__hw_addr_sync_dev+0x2dc/0x4a0

pfeng_hif_chnl_fill_rx_buffers+0x39e4/0x5f00 [pfeng]

__dev_set_rx_mode+0x1d4/0x3c4

__dev_open+0x324/0x470

__dev_change_flags+0x478/0x630

dev_change_flags+0x90/0x160

do_setlink+0x720/0x3240

__rtnl_newlink+0xa38/0x1380

rtnl_newlink+0x74/0xbc

rtnetlink_rcv_msg+0x3fc/0xad0

netlink_rcv_skb+0x200/0x3f4

rtnetlink_rcv+0x28/0x40

netlink_unicast+0x4e4/0x754

netlink_sendmsg+0x7d4/0xc8c

____sys_sendmsg+0x6dc/0x824

___sys_sendmsg+0x10c/0x184

__sys_sendmsg+0xf0/0x1b0

__arm64_sys_sendmsg+0x74/0xb0

el0_svc_common.constprop.0+0x158/0x510

do_el0_svc+0xec/0x114

el0_svc+0x24/0x34

el0_sync_handler+0x17c/0x180

el0_sync+0x180/0x1c0

Best wishes!!!

Re: pfeng: BUG: sleeping function called from invalid context

Bio_TICFSL — Tue, 15 Mar 2022 14:41:13 GMT

Hello ChenJun,

Which kernel version are you using?

Regards

S32G中的主题 pfeng: BUG: sleeping function called from invalid context

pfeng: BUG: sleeping function called from invalid context

Re: pfeng: BUG: sleeping function called from invalid context