Re: [9front] acme: suicide when using upas/Mail

[unobe@cpan.org]

Sorry, I misunderstood what you were asking.

I already deleted the window, restarting acme.  I thought I only
needed the lstk() in general, but I'll keep note of that for the
future.

Sorry for not having enough info (unless it's somewhere available
under /proc/$pid/), and wasting your time.

Quoth ori@eigenstate.org:
> Quoth unobe@cpan.org:
> > read error from temp file
> 
> Are you sure? The code says:
> 
> 		if(nr <= 0)
> 			error("read error from temp file");
> 
> and error does:
> 
> 	fprint(2, "acme: %s: %r\n", s);
> 
> 
> so at minimum, I'd expect the full error to start with 'acme:',
> and a second ':' after "read error from temp file". Those are
> both bits of information that are useful to match things up
> with what happened.
> 
> If there's an empty error string, which is printed by the '%r'
> in error(), that means we got the only possible non-error
> condition reading the temp file, an EOF (r == 0). I don't
> know why we'd get that, but it leads down a different path
> to investigate than a disk read error.
> 
> > Quoth ori@eigenstate.org:
> > > what's the exact error? this is acme suiciding after a pread() fails,
> > > and the errstr says why.
> > > '
> > > Quoth unobe@cpan.org:
> > > > Has anyone come across acme suicide not being able to read a temporary
> > > > file?  My HEAD is slightly behind:
> > > > 	Hash:	a327175a3c01d18e3e4c061ce4579cc420ee3561
> > > > 	Author:	cinap_lenrek <cinap_lenrek@felloff.net>
> > > > 	Date:	Sat Sep 30 10:06:58 -0700 2023
> > > > 
> > > > I thought there might have recent work in caching for Mail, but a
> > > > quick scan of the git/log didn't bring up any commit.  upas/Mail was
> > > > the only program I was running in acme.  Here's the lstk() output:
> > > > 
> > > > cpu% acid 1486111
> > > > /proc/1486111/text:amd64 plan 9 executable
> > > > /sys/lib/acid/port
> > > > /sys/lib/acid/amd64
> > > > acid: lstk()
> > > > abort()+0x0 /sys/src/libc/9sys/abort.c:6
> > > > error()+0x2f /sys/src/cmd/acme/util.c:55
> > > > diskread(d=0x448f80,b=0x454d60,n=0x36d4,r=0x497ef0)+0xa6 /sys/src/cmd/acme/disk.c:138
> > > > 	p=0x497ef0
> > > > 	tot=0x203f6700000000
> > > > 	nr=0xffffffff
> > > > setcache(q0=0x0,b=0x449fe0)+0xf4 /sys/src/cmd/acme/buff.c:118
> > > > 	q=0x3400045a240
> > > > 	blp=0x4089b0
> > > > 	i=0x454d6000000340
> > > > 	bl=0x454d60
> > > > bufread(b=0x449fe0,q0=0x0,n=0x1,s=0x49598c)+0x47 /sys/src/cmd/acme/buff.c:288
> > > > 	m=0x21ccf700000000
> > > > textreadc(q=0x0)+0x46 /sys/src/cmd/acme/text.c:509
> > > > 	r=0x20322500000000
> > > > number(dir=0x0,line=0x8,t=0x449b38,.ret=0x495a38,size=0x100000001,r=0x0,evalp=0x495b54,md=0x4490c0)+0x25a /sys/src/cmd/acme/addr.c:98
> > > > 	q0=0x20397900000000
> > > > 	q1=0x1
> > > > address(.ret=0x495af0,ar=0x0,q0=0x0,q1=0x1,a=0x45a250,getc=0x220bdb,qp=0x495b5c,t=0x449b38,md=0x4490c0,lim=0xffffffffffffffff,evalp=0x495b54)+0x58d /sys/src/cmd/acme/addr.c:247
> > > > 	r=0x0
> > > > 	q=0x800000001
> > > > 	dir=0x224d1100000000
> > > > 	size=0x1
> > > > 	prevc=0x100000000
> > > > 	nr=0x495a5c
> > > > 	c=0x38
> > > > 	n=0x4089b000000008
> > > > 	npat=0x100000001
> > > > 	pat=0x0
> > > > xfidwrite(x=0x493ad0)+0x5d1 /sys/src/cmd/acme/xfid.c:459
> > > > 	w=0x4499e0
> > > > 	qid=0xa
> > > > 	fc=0x4810b0
> > > > 	t=0x449b38
> > > > 	nr=0x100000001
> > > > 	r=0x45a250
> > > > 	eval=0x100000001
> > > > 	a=0x1
> > > > 	nb=0xa00000001
> > > > 	err=0x497c00
> > > > 	q0=0x449b3800000000
> > > > 	tq0=0x23396a
> > > > 	tq1=0x23396a00000000
> > > > 	buf=0x41e8e000000000
> > > > xfidctl(arg=0x493ad0)+0x35 /sys/src/cmd/acme/xfid.c:52
> > > > 	x=0x493ad0
> > > > launcheramd64(arg=0x493ad0,f=0x22373a)+0x10 /sys/src/libthread/amd64.c:11
> > > > 0xfefefefefefefefe ?file?:0
> > > > 
> > > 
> > 
>