#21995: MQmaker WiTi / r48962 / rcu_sched self-detected stall on CPU
------------------------+------------------------
Reporter: bittorf@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: packages | Version: Trunk
Resolution: | Keywords:
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Comment (by bittorf@…):
it seems that kmodloader is hanging:
{{{
root@(none):/ uptime
00:11:32 up 11 min, load average: 4.99, 4.51, 2.63
root@(none):/ ps
PID USER VSZ STAT COMMAND
1 root 1460 S /sbin/procd
2 root 0 SW [kthreadd]
3 root 0 RW [ksoftirqd/0]
4 root 0 RW [kworker/0:0]
5 root 0 SW< [kworker/0:0H]
6 root 0 RW [kworker/u8:0]
7 root 0 SW [rcu_sched]
8 root 0 SW [rcu_bh]
9 root 0 RW [migration/0]
10 root 0 SW [migration/1]
11 root 0 SW [ksoftirqd/1]
12 root 0 SW [kworker/1:0]
13 root 0 SW< [kworker/1:0H]
14 root 0 SW [migration/2]
15 root 0 SW [ksoftirqd/2]
16 root 0 SW [kworker/2:0]
17 root 0 SW< [kworker/2:0H]
18 root 0 SW [migration/3]
19 root 0 SW [ksoftirqd/3]
20 root 0 SW [kworker/3:0]
21 root 0 SW< [kworker/3:0H]
22 root 0 SW [kworker/u8:1]
30 root 0 SW [kworker/u8:2]
105 root 0 SW< [writeback]
107 root 0 SW< [crypto]
108 root 0 SW< [bioset]
110 root 0 SW< [kblockd]
158 root 0 SW [kswapd0]
159 root 0 SW [kworker/2:1]
160 root 0 SW< [vmstat]
209 root 0 SW [fsnotify_mark]
235 root 0 SW [spi32766]
237 root 0 SW [kworker/3:1]
241 root 0 SW< [bioset]
246 root 0 SW< [bioset]
251 root 0 SW< [bioset]
256 root 0 SW< [bioset]
261 root 0 SW< [bioset]
266 root 0 SW< [bioset]
271 root 0 SW< [bioset]
295 root 0 SW< [ipv6_addrconf]
301 root 0 SW< [deferwq]
304 root 0 SW [kworker/0:1]
305 root 0 SW [kworker/1:1]
306 root 0 SW< [kworker/1:1H]
307 root 0 SW< [kworker/0:1H]
309 root 0 SW< [kworker/2:1H]
310 root 0 SW< [kworker/3:1H]
341 root 0 SW< [ata_sff]
353 root 0 SW [scsi_eh_0]
354 root 0 SW< [scsi_tmf_0]
357 root 0 SW [scsi_eh_1]
358 root 0 SW< [scsi_tmf_1]
436 root 0 SW [kworker/0:2]
438 root 0 SWN [jffs2_gcd_mtd6]
530 root 1180 S /sbin/ubusd
531 root 1204 S /bin/ash --login
1144 root 1244 S {S10boot} /bin/sh /etc/rc.common
/etc/rc.d/S10boot b
1159 root 1228 D /sbin/kmodloader
1164 root 0 SW< [bioset]
1210 root 0 SW< [cfg80211]
1371 root 1188 R ps
}}}
it would be useful, if debugmode 4 for procd shows every single kmod
before insmodding it.
--
Ticket URL: <https://dev.openwrt.org/ticket/21995#comment:1>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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