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Date: Sun, 23 Jun 2013 20:44:25 +0400
From: Ruslan Bukin <br@bsdpad.com>
To: Konstantin Belousov <kostikbel@gmail.com>
Subject: Re: Kernel build fails on ARM: Cannot fork: Cannot allocate memory
Message-ID: <20130623164425.GA77339@mail.bsdpad.com>
References: <51C1F53B.2080502@semihalf.com>
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 <alpine.BSF.2.00.1306221636360.43796@desktop>
 <20130623065706.GV91021@kib.kiev.ua>
 <20130623083220.GA41511@mail.bsdpad.com>
 <20130623143248.GA91021@kib.kiev.ua>
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Cc: freebsd-current@freebsd.org, Jeff Roberson <jroberson@jroberson.net>,
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On Sun, Jun 23, 2013 at 07:16:17PM +0300, Konstantin Belousov wrote:
> On Sun, Jun 23, 2013 at 06:43:46PM +0400, Ruslan Bukin wrote:
> > 
> > Trying to mount root from ufs:/dev/da0 []...
> > WARNING: / was not properly dismounted
> > warning: no time-of-day clock registered, system time will not be set accurately
> > panic: __rw_wlock_hard: recursing but non-recursive rw pmap pv global @ /usr/home/br/dev/head/sys/arm/arm/pmap-v6.c:1289
> > 
> > KDB: enter: panic
> > [ thread pid 1 tid 100001 ]
> > Stopped at      kdb_enter+0x48: ldrb    r15, [r15, r15, ror r15]!
> > db> bt
> > Tracing pid 1 tid 100001 td 0xc547f620
> > _end() at 0xde9d0530
> > scp=0xde9d0530 rlv=0xc1211458 (db_trace_thread+0x34)
> >         rsp=0xde9d0514 rfp=0xc12d1b60
> > Bad frame pointer: 0xc12d1b60
> > db> 
> This is completely broken.  It seems that witness triggered the panic,
> and ddb is unable to obtain a backtrace from the normal panic(9) call.
> 
> Show the output of the 'show alllocks'.

No such command

db> show all      
chains      ifnets      lltables    pcpu        procs       rman
trace       ttys
db>