Re: Thinkpad T23 60 second stall on resuming 8.0-RELEASE/i386

On Tue, 15 Dec 2009, Nate Lawson wrote:
 > Ian Smith wrote:
 > > Hi,
 > > 
 > > Precis: suspend by Fn-F4 or acpiconf -s3 works as usual.  When resuming 
 > > by hitting Fn or raising the lid, however, the screen comes back on but 
 > > then system freezes for pretty well exactly 60 seconds before responding 
 > > to anything, after which it seems to be fine, although top shows running 
 > > processes' TIME havig being reset to 00:00 (sometimes, not always)
 > 
 > > -wakeup from sleeping state (slept 00:00:07)
 > > +t_delta 15.f9ad99f01204edd8 too short                        <<<<<<<
 > > +t_delta 16.07bb5b66ef900000 too long                         <<<<<<<
 > > +t_delta 15.f9ad90918acc0000 too short                        <<<<<<<
 > > +ct_to_ts([2009-12-13 17:10:39]) = 1260724239.000000000
 > > +wakeup from sleeping state (slept 00:01:07)
 > >  ata0: reiniting channel ..
 > >  ata0: reset tp1 mask=03 ostat0=50 ostat1=00
 > >  ata0: stat0=0x50 err=0x01 lsb=0x00 msb=0x00
 > >  ata0: stat1=0x00 err=0x01 lsb=0x00 msb=0x00
 > > -ata0: reset tp2 stat0=50 stat1=00 devices=0x1<ATA_MASTER>
 > > +ata0: reset tp2 stat0=50 stat1=00 devices=0x1
 > >  ad0: setting PIO4 on ICH3 chip
 > >  ad0: setting UDMA100 on ICH3 chip
 > >  ata0: reinit done ..
 > > @@ -36,7 +37,7 @@
 > >  ata1: reset tp1 mask=03 ostat0=00 ostat1=00
 > >  ata1: stat0=0x00 err=0x01 lsb=0x14 msb=0xeb
 > >  ata1: stat1=0x00 err=0x00 lsb=0x00 msb=0x00
 > > -ata1: reset tp2 stat0=00 stat1=00 devices=0x4<ATAPI_MASTER>
 > > +ata1: reset tp2 stat0=00 stat1=00 devices=0x10000
 > 
 > I think it's ATA timing out for some reason.

Thanks Nate.  I nearly clipped that part of the diff, figuring only the 
<*_MASTER> messages had changed, but I now see ata1 devices differ too.

Have similar regressions re ATA been turning up elsewere, do you know?

I've been digging, still on the trail of those t_delta messages, but now 
figure these might be spurious, some timecounter missing/gaining a tick 
or something, if ATA is maybe what's hanging meanwhile?

There's no HD light activity at all from resume button/switch through 
that 60 second wait, when 15? seconds after the third t_delta line is 
written to console, the HD light flashes while apparently simultaneously 
writing the rest of the resume messages, and it comes alive.

Guess I should next upgrade the 7.0-R slice to 7.2-STABLE to find out if 
this problem has been mfc'd :)

cheers, Ian
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