14184 2021-01-11 12:53:29 +0000 udev ram3 timeout and RCU preempt stall 2021-06-28 09:38:53 +0000 1 1 7 Build System, Metadata & Runtime OE-Core kernel 3.4 x86 Multiple RESOLVED FIXED AB-INT Medium normal 3.4 1 ross.burton richard.purdie alexandre.belloni randy.macleod richard.purdie steve tom.zanussi --- --- No (bug/feature does not impact docs) oldest_to_newest 88906 0 ross.burton 2021-01-11 12:53:29 +0000 [ 635.761945] udevd[150]: timeout '/etc/udev/scripts/mount.sh' [ 635.763858] udevd[150]: slow: '/etc/udev/scripts/mount.sh' [199] [ 635.765039] udevd[146]: worker [150] /devices/virtual/block/ram3 timeout; kill it [ 635.765584] udevd[146]: seq 697 '/devices/virtual/block/ram3' killed [ 635.765917] udevd[146]: worker [232] /devices/virtual/net/lo is taking a long time [ 635.766254] udevd[146]: worker [231] /devices/virtual/net/sit0 is taking a long time [ 635.778466] udevd[146]: worker [150] terminated by signal 9 (Killed) [ 635.778744] udevd[146]: worker [150] failed while handling '/devices/virtual/block/ram3' [ 668.196961] uart-pl011 9000000.pl011: no DMA platform data [ 727.578951] rcu: INFO: rcu_preempt self-detected stall on CPU [ 727.580394] rcu: 0-...!: (1 ticks this GP) idle=d1a/1/0x40000002 softirq=4274/4274 fqs=0 [ 727.580882] (t=3400 jiffies g=8181 q=111) [ 727.581148] rcu: rcu_preempt kthread starved for 3400 jiffies! g8181 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 727.581643] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 727.582055] rcu: RCU grace-period kthread stack dump: [ 727.582301] task:rcu_preempt state:I stack: 0 pid: 10 ppid: 2 flags:0x00000000 [ 727.582836] [<c0a75b84>] (__schedule) from [<c0a75de4>] (schedule+0xc8/0x118) [ 727.583221] [<c0a75de4>] (schedule) from [<c0a781d4>] (schedule_timeout+0xc8/0xf4) https://autobuilder.yoctoproject.org/typhoon/#/builders/53/builds/2921/steps/12/logs/stdio 89625 1 bruce.ashfield 2021-03-15 19:15:53 +0000 Will keep this in M4 to monitor and see if it is repeatible 90371 2 randy.macleod 2021-05-13 15:10:27 +0000 *** Bug 14028 has been marked as a duplicate of this bug. *** 90771 3 richard.purdie 2021-06-28 09:38:53 +0000 Stalls should no longer cause a hang http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=1f802cdf857475eefb9f3ae5032a6f1ce3e01d97