NetBSD-Bugs archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
kern/58730: NFS client locks up waiting on nfscn2
>Number: 58730
>Category: kern
>Synopsis: NFS client locks up waiting on nfscn2
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Tue Oct 08 15:45:00 +0000 2024
>Originator: Martin Husemann
>Release: NetBSD 10.99.12
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD unpluged.duskware.de 10.99.12 NetBSD 10.99.12 (UNPLUGED) #588: Tue Oct 8 09:45:16 CEST 2024 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/evbarm/compile/UNPLUGED evbarm
Architecture: earmv5
Machine: evbarm
>Description:
A diskless machine (using mvgbe(4) for NFS / ) started locking up under
(heavy) NFS traffic.
db> ps
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
29359 29359 3 0 1000000 c50c4480 sed nfscn2
24567 24567 3 0 180 c7f7c240 tcsh ttyraw
189 189 3 0 180 c8093180 tcsh pause
5625 5625 3 0 180 c7f7ca80 rxvt select
3438 3438 3 0 180 c7fa2b80 tcsh pause
2949 2949 3 0 180 c7fbf1c0 sshd-session poll
3922 3922 3 0 180 c8088300 sshd-session poll
1599 1599 3 0 180 c3ecf980 tail kqueue
1022 1022 3 0 180 c2f72500 tcsh pause
710 710 3 0 180 c2fe0300 rxvt select
704 704 3 0 180 c2f72d40 tcsh pause
559 559 3 0 180 c3410380 sshd-session poll
685 685 3 0 180 c2f727c0 sshd-session poll
2397 2397 3 0 180 c3ecf6c0 tee pipe_rd
1047 1047 3 0 180 c3ecf400 atf-report pipe_rd
2076 2076 3 0 180 c3e01680 tee pipe_rd
464 464 3 0 1c0 c2f72a80 atf-run pipe_rd
1880 1880 3 0 180 c3410900 sh wait
466 466 3 0 180 c2f72240 sh wait
252 252 3 0 0 c2f44200 getty biowait
374 374 3 0 40 c3ecf140 cron nfsrcv
558 558 3 0 180 c3e01c00 inetd kqueue
155 155 3 0 180 c3e01940 sshd poll
200 200 3 0 180 c3410bc0 ntpd pause
237 237 3 0 180 c3410640 rpcbind poll
727 639 3 0 180 c2fe0880 named parked
727 729 3 0 10000040 c34100c0 timer biowait
727 615 3 0 180 c3053b80 isc-net-0001 kqueue
727 726 3 0 0 c30538c0 isc-net-0000 nfsrcv
727 727 3 0 180 c3053080 named sigwait
757 757 3 0 0 c3053600 syslogd nfsrcv
494 494 3 0 180 c3053340 dhcpcd poll
497 497 3 0 180 c2fe0b40 dhcpcd poll
486 486 3 0 180 c2fe0040 dhcpcd poll
182 182 3 0 180 c2fe05c0 dhcpcd poll
1 1 3 0 180 c2e99c80 init wait
0 9760 5 0 240 c3e013c0 (zombie)
0 6818 3 0 200 c7e77a40 physiod physiod
0 1395 3 0 200 c2f444c0 swapiod swapiod
0 106 3 0 200 c2f44d00 pooldrain pooldrain
0 105 3 0 240 c2f44a40 ioflush nfsrcv
0 104 3 0 200 c2f44780 pgdaemon pgdaemon
0 101 3 0 200 c2ebdcc0 nfsio nfsiod
0 100 3 0 200 c2ebda00 nfsio nfsiod
0 99 3 0 200 c2ebd740 nfsio nfsiod
0 98 3 0 200 c2ebd480 nfsio nfsiod
0 97 3 0 200 c2e58140 swdmover swdmvr
0 96 3 0 200 c2ebd1c0 usb0 usbevt
0 60 3 0 200 c2e58400 rt_free rt_free
0 59 3 0 200 c2e586c0 unpgc unpgc
0 58 3 0 200 c2e58980 icmp6_wqinput/0 icmp6_wqinput
0 57 3 0 200 c2e58c40 nd6_timer nd6_timer
0 56 3 0 200 c2e99180 icmp_wqinput/0 icmp_wqinput
0 55 3 0 200 c2e99440 rt_timer rt_timer
0 31 3 0 200 c2e99700 vmem_rehash vmem_rehash
0 30 3 0 200 c2e999c0 sdmmc0 mmctaskq
0 21 3 0 200 c2b55c00 entbutler entropy
0 20 3 0 240 c2b55940 atabus1 atath
0 19 3 0 240 c2b55680 atabus0 atath
0 18 3 0 200 c2b553c0 usbtask-dr usbtsk
0 17 3 0 200 c2b55100 usbtask-hc usbtsk
0 16 3 0 200 c2b39bc0 sysmon smtaskq
0 15 3 0 200 c2b39900 pmfsuspend pmfsuspend
0 14 3 0 200 c2b39640 pmfevent pmfevent
0 13 3 0 200 c2b39380 sopendfree sopendfr
0 12 3 0 200 c2b390c0 ifwdog ifwdog
0 11 3 0 200 c2a6db80 iflnkst iflnkst
0 10 3 0 200 c2a6d8c0 nfssilly nfssilly
0 9 3 0 200 c2a6d600 pooldisp pooldisp
0 8 3 0 200 c2a6d340 modunload mod_unld
0 7 3 0 200 c2a6d080 xcall/0 xcall
0 6 1 0 200 c2a6cb40 softser/0
0 5 1 0 40200 c2a6c880 softclk/0
0 4 1 0 200 c2a6c5c0 softbio/0
0 3 1 0 200 c2a6c300 softnet/0
0 > 2 1 0 201 c2a6c040 idle/0
0 0 3 0 200 c051b700 swapper uvm
Note there is an unreaped zombie process (even after hours in this state),
so I guess init did not get a chance to run.
I saw this first with a Oct 1 kernel, the previous Sep 23 kernel was fine.
>How-To-Repeat:
Put some file system load on a diskless machine?
>Fix:
n/a
Home |
Main Index |
Thread Index |
Old Index