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Date:      Mon, 20 Jul 2009 00:53:52 +0200
From:      "Paul B. Mahol" <onemda@gmail.com>
To:        Gonzalo Nemmi <gnemmi@gmail.com>
Cc:        freebsd-current@freebsd.org, Adam K Kirchhoff <adamk@voicenet.com>
Subject:   Re: bge problems when resuming
Message-ID:  <3a142e750907191553u1fd266a4q286e7168b74ee889@mail.gmail.com>
In-Reply-To: <19e9a5dc0907191530s679c0b37v49a836cc00bbf58a@mail.gmail.com>
References:  <4A5D27F2.50208@voicenet.com> <3a142e750907150020h712bfcecq89d5ccf3e00e302c@mail.gmail.com> <200907150713.47807.adamk@voicenet.com> <200907171743.11143.gnemmi@gmail.com> <3a142e750907171509o62c999c5o446bcd7cd576b9a5@mail.gmail.com> <19e9a5dc0907191530s679c0b37v49a836cc00bbf58a@mail.gmail.com>

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On 7/20/09, Gonzalo Nemmi <gnemmi@gmail.com> wrote:
> On Sat, Jul 18, 2009 at 12:09 AM, Paul B. Mahol <onemda@gmail.com> wrote:
>
>> On 7/17/09, Gonzalo Nemmi <gnemmi@gmail.com> wrote:
>> > On Wednesday 15 July 2009 8:13:47 am Adam K Kirchhoff wrote:
>> >> On Wednesday 15 July 2009 03:20:45 Paul B. Mahol wrote:
>> >> > On 7/15/09, Adam K Kirchhoff <adamk@voicenet.com> wrote:
>> >> > > Hello all,
>> >> > >
>> >> > > I have a Dell Latitude D610 laptop with 8.0-BETA1 installed.  I
>> >> > > hadn't tried suspend/resume for a while and decided to give it a
>> >> > > shot.  I was pleasantly surprised to see that I could suspend to
>> >> > > ram, resume, and have a (relatively) working system (previously
>> >> > > the display would never come back up and the serial console I had
>> >> > > hooked up remained dead). Great job to everyone who helped make
>> >> > > that possible.
>> >> > >
>> >> > > The only real issue that I seem to have now is that bge is
>> >> > > completely unusable after resume.  Another individual seems to
>> >> > > have reported similar problems with bge and resume, but he also
>> >> > > had other issues that apparently trumped his networking issues:
>> >> > >
>> >> > > http://lists.freebsd.org/pipermail/freebsd-current/2009-July/0090
>> >> > >23.html
>> >> > >
>> >> > > Like him, resuming from suspend gives me:
>> >> > >
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 0, val 32768)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY read timed out (phy 1,
>> >> > > reg 0, val 0xffffffff)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 24, val 3072)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 23, val 10)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 21, val 12555)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 23, val 8223)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 21, val 38150)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 23, val 16415)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 21, val 5346)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 24, val 1024)
>> >> > > Jul 14 12:35:53 scroll kernel: bge0: PHY write timed out (phy 1,
>> >> > > reg 24, val 7)
>> >> > >
>> >> > > And so on and so forth.
>> >> > >
>> >> > > I thought that compiling if_bge as a module, unloading it before
>> >> > > suspend, and reloading it after resume, might get this working.
>> >> > > However, doing a "kldload if_bge" after the resume does nothing.
>> >> > > Well, the module gets loaded, but the device doesn't show up.  No
>> >> > > errors from kldload, and there is nothing new in dmesg.
>> >> > >
>> >> > > Before the suspend, the device shows up as:
>> >> > >
>> >> > > bge0@pci0:2:0:0:        class=0x020000 card=0x01821028
>> >> > > chip=0x167714e4 rev=0x01 hdr=0x00
>> >> > >     vendor     = 'Broadcom Corporation'
>> >> > >     device     = 'NetXtreme Gigabit Ethernet PCI Express
>> >> > > (BCM5750A1)' class      = network
>> >> > >     subclass   = ethernet
>> >> > >
>> >> > > After resuming,  and reloading the module, it's:
>> >> > >
>> >> > > none1@pci0:2:0:0:       class=0x020000 card=0x01821028
>> >> > > chip=0x167714e4 rev=0x01 hdr=0x00
>> >> > >     vendor     = 'Broadcom Corporation'
>> >> > >     device     = 'NetXtreme Gigabit Ethernet PCI Express
>> >> > > (BCM5750A1)' class      = network
>> >> > >     subclass   = ethernet
>> >> > >
>> >> > > If there are no ideas, I'll go ahead and open up a pr.  I assume
>> >> > > this is just one bug, since both problems (the PHY issues and the
>> >> > > inability to reload the driver) are both related to the network
>> >> > > device.
>> >> >
>> >> > Put this lines into loader.conf and reboot.
>> >> >
>> >> > hw.pci.do_power_nodriver="3"
>> >> > hw.pci.do_power_resume="1"
>> >> >
>> >> > Now, before suspend, unload if_bge and some another driver (sound
>> >> > drivers are best candidate) and load sound driver again, suspend
>> >> > and resume.
>> >> > Now loading if_bge should make it succesfully attach.
>> >>
>> >> Unfortunately, after doing this, reloading the if_bge driver causes
>> >> the laptop to completely lock up...  It gets as far as:
>> >>
>> >> bge0: <Broadcom NetXtreme Gigabit Ethernet Controller, unknown ASIC
>> >> rev. 0xffff>
>> >> mem 0xdfdf0000-0xdfdfffff irq 16 at device 0.0 on pci2
>> >>
>> >> And then the entire machine hangs.  I'm on ttyv0, so I'd see any
>> >> kernel panic, but nothing like that happens.  The screen stays on,
>> >> but nothing else happens till I force a reboot.
>> >>
>> >> Adam
>> >
>> > Hi Adam, Paul ...
>> > I'm the "another individual" from you OP.
>> > I have the same problems you have regarding bge, but they weren't
>> > trumped .. I just had an order of priorities ;)
>> >
>> > Anyways, I tried the solution Paul posted and, just as in your case, I
>> > got a hard lock too ...
>> >
>> > I tried loading if_bge through /boot/loader.conf
>> > Then issued a:
>> >
>> > kldunload if_bge coretemp
>>
>> coretemp is wrong module, it must be one of modules that attach to pci.
>>
>
> Sorry Paul!
> I gave it a go with snd_hda and I got the same result except that this time
> I also got the following message:

After unloading snd_hda you loaded it again before suspending?

>
> fwohci0: ...
> firewire0: ...
> fwohci0: ...
> pci0: < multimedia HDA > at device 27.0 ( no driver attached )
> bge0 ...
>
> Then, the same hard lock :(
>
> Will install BETA2 today !
>
> Best Regards
> Gonzalo
>
>
>> > acpiconf -s 3
>> >
>> > machine suspended
>> >
>> > As soon as I woke it up I got the following message followed by a hard
>> > lock:
>> >
>> > fwohci0: Phy 1394a available S400, 1 ports.
>> > fwohci0: Link S400, max_rec 2048 bytes.
>> > fwohci0: Initiate bus reset
>> > fwohci0: fwohci_intr_core: BUS reset
>> > fwohci0: fwohci_intr_core: node_id=0x00000000, SelfID Count=1,
>> > CYCLEMASTER mode
>> > firewire0: 1 nodes, maxhop <= 0 cable IRM irm(0) (me)
>> > firewire0: bus manager 0
>> > fwohci0: unrecoverable error
>> > bge0: <Broadmcom NetXtreme Ethernet Controller, unknown ASIC rev,
>> > 0xffff> mem 0xf69f0000-0xf69fffff irq 17 at device 0.0 on pci9
>> >
>> > All this happens on a Dell 1318, FreeBSD 8.0-BETA1, i386, Intel(R)
>> > Celeron(R) CPU 560@2.13GHz.
>> >
>> > bge0@pci0:9:0:0:      class=0x020000 card=0x02861028 chip=0x171314e4
>> rev=0x02
>> > hdr=0x00
>> >     vendor     = 'Broadcom Corporation'
>> >     device     = 'Broadcom NetLink (TM) Fast Ethernet (BCM5906m)'
>> >     class      = network
>> >     subclass   = ethernet
>> >     bar   [10] = type Memory, range 64, base 0xf69f0000, size 65536,
>> > enabled
>> >     cap 01[48] = powerspec 3  supports D0 D3  current D0
>> >     cap 03[50] = VPD
>> >     cap 09[58] = vendor (length 120)
>> >     cap 05[e8] = MSI supports 1 message, 64 bit enabled with 1 message
>> >     cap 10[d0] = PCI-Express 1 endpoint max data 128(128) link x1(x1)
>> >
>> > If somebody needs more info, just ask me for it and I'll try to answer
>> > as soon as I can.
>> >
>> > Adam, if you do file a PR, please let me know so I can follow it.
>> >
>> > Best Regards
>> > --
>> > Blessings
>> > Gonzalo Nemmi
>> >
>>
>>
>> --
>> Paul
>>
>


-- 
Paul



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