8.99.6 instability (was Re: new fork issues; preventing shutdown)

[Thomas Klausner <tk%giga.or.at@localhost>]

On Fri, Nov 10, 2017 at 12:30:09AM +0100, Thomas Klausner wrote:
> I updated to 8.99.6 from yesterday and then started a bulk build.
> After a very short while it was hung and I couldn't connect from
> outside. When I came back to the console, I saw that it had run out of
> resources and couldn't fork anything.
> 
> There were a lot of processes called "Build", probably from one of the
> packages in the bulk build.
> 
> I couldn't even shutdown, because zsh couldn't fork shutdown, nor did
> pressing the power button help, because the powerd script couldn't be
> forked.
> 
> /var/log/messages had:
> /netbsd: proc: table is full - increase kern.maxproc or NPROC
> and
> powerd[932]: fork to run script: Resource temporarily unavailable
> 
> I wonder why I suddenly see this behaviour in 8.99.6, I haven't seen
> that before (I was using 8.99.5 from October before).

I rebooted, increased kern.maxproc from 1044 (default) to 5000 and
started a bulk build. The machine rebooted after 40 minutes.

Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING:W ASRPNILN GWN:AO RWSNAI RLLGNO :INNWOSGETP:RL   ESLNPDOTL   LOEONRNWEO EDTT  OELRNDOA  WPOT ERE RAXEPTI RDTAE  PO 6 I0TX
Nov 10 01:10:19 yt /netbsd: IRT6A  P60
Nov 10 01:10:19 yt /netbsd: E0X
Nov 10 01:10:19 yt /netbsd: IT 6 0
Nov 10 01:10:19 yt /netbsd: netbsd:uvm_fault_internal+0x1692
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt syslogd[231]: last message repeated 2 times
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERWEDA RONNI NTGR:A PS PEL NIOTT  6L W0E
Nov 10 01:10:19 yt /netbsd: RED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt syslogd[231]: last message repeated 7 times
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0W
Nov 10 01:10:19 yt /netbsd: ARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: trap() at WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNWIANRGN:IN G:S PSLPL  NNOOTT  LLOOWEWREERDE ODN  TORNAP  ETXRITA P6  0E
Nov 10 01:10:19 yt /netbsd: XIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt syslogd[231]: last message repeated 4 times
Nov 10 01:10:19 yt /netbsd: netbsd:trap+0x3f0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: --- trap (number 6) ---
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERWEDA RONNI TNRGAP: E XSITP L6  0N
Nov 10 01:10:19 yt /netbsd: OT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXWIT A6 R0
Nov 10 01:10:19 yt /netbsd: NING: SPL NOT LOWWAERRNEIDN GO:N  SPTLR ANOPT  ELXOITW ERE6D  0O
Nov 10 01:10:19 yt /netbsd: N WTARRANPIN GE:X ISPL  6N O0T
Nov 10 01:10:19 yt /netbsd: LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TARRANIPNG : ESPL INOTT  LO6WERE D 0O
Nov 10 01:10:19 yt /netbsd: N TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: 7f7e3c60096a:
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SWPALR NINNOG: TS PLLO WNEORTE LDO WEOREND OTNR ATRPAP  EEXXIITT  6 60
Nov 10 01:10:19 yt /netbsd: 0
Nov 10 01:10:19 yt /netbsd: cpu8: End traceback..W.
Nov 10 01:10:19 yt /netbsd: ARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd: WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0
Nov 10 01:10:19 yt /netbsd:

No core dump available :(
 Thomas