DragonFly bugs List (threaded) for 2008-01
DragonFly BSD
DragonFly bugs List (threaded) for 2008-01
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Re: em(4) hardware error after ACPI suspend


From: Johannes Hofmann <Johannes.Hofmann@xxxxxx>
Date: 27 Jan 2008 10:47:23 GMT

Hi,

don't want to discourage you, but I've given up on suspend/resume on
my T42p. And I don't even miss it :-)
It basically works, but then there are tons of minor issues.

Now I use hw.acpi.lid_switch_state=S5 to shutdown when I close the lid
and booting is pretty fast anyway.

 Johannes

Matthias Schmidt <matthias@dragonflybsd.org> wrote:
> He,
> 
> since today I have an IBM Thinkpad T42 here.  The machine is equipped
> with a em(4) NIC and a ath(4) wireless NIC.  After testing ACPI suspend
> to RAM (state 3) which works flawlessly, I noticed some errors right
> after the resume:
> 
> device_probe_and_attach: em0 attach returned 5
> em0: <Intel(R) PRO/1000 Network Connection, Version - 6.2.9> port
> 0x8000-0x803f mem 0xc0200000-0xc020ffff,0xc0220000-0xc023ffff irq 11 at
> device 1.0 on pci2
> can't re-use a leaf (debug_info)!
> can't re-use a leaf (stats)!
> can't re-use a leaf (rx_int_delay)!
> can't re-use a leaf (tx_int_delay)!
> can't re-use a leaf (rx_abs_int_delay)!
> can't re-use a leaf (tx_abs_int_delay)!
> can't re-use a leaf (int_throttle_ceil)!
> can't re-use a leaf (rxd)!
> can't re-use a leaf (txd)!
> em0: The EEPROM Checksum Is Not Valid
> em0: Unable to initialize the hardware
> device_probe_and_attach: em0 attach returned 5
> 
> Why does the EEPROM checksum changes during a suspend/resume cycle?  Is
> it possible to suspend with this card?  This error also happens if I
> unload the modules right before the suspend and load it again after
> resume.
> 
> An error also happens with the ath(4).  If I don't unload the driver,
> the card no longer gets an IP address from the DHCP server.
> Loading/Unloading etc won't help.
> 
> A third error happens with USB stuff.  If I don't unload the USB module
> I see a continuously stream of the following messages:
> 
> Jan 26 19:44:26 jupiter acpi: resumed at 20080126 19:44:26
> Jan 26 19:44:27 jupiter kernel: uhub0: port 1 reset failed
> Jan 26 19:44:27 jupiter kernel: uhub1: port 1 reset failed
> Jan 26 19:44:27 jupiter kernel: uhub2: port 1 reset failed
> Jan 26 19:44:28 jupiter kernel: uhub0: port 2 reset failed
> Jan 26 19:44:28 jupiter kernel: uhub1: port 2 reset failed
> Jan 26 19:44:28 jupiter kernel: uhub2: port 2 reset failed
> Jan 26 19:44:30 jupiter kernel: uhub0: port 1 reset failed
> Jan 26 19:44:30 jupiter kernel: uhub1: port 1 reset failed
> Jan 26 19:44:30 jupiter kernel: uhub2: port 1 reset failed
> [...]
> 
> Only rebooting the machine helps.  Append the relevant information:
> 
> 
> DragonFly jupiter 1.11.0-DEVELOPMENT DragonFly 1.11.0-DEVELOPMENT #1:
> Sat Jan 26 20:05:28 CET 2008
> 
> ath0@pci2:2:0:  class=0x020000 card=0x833117ab chip=0x1014168c rev=0x01
> hdr=0x00
>    vendor   = 'Atheros Communications Inc.'
>    device   = 'AR5212 Atheros AR5212 802.11abg wireless
> 
> em0@pci2:1:0:   class=0x020000 card=0x05491014 chip=0x101e8086 rev=0x03
> hdr=0x00
>    vendor   = 'Intel Corporation'
>    device   = '82540EP Gigabit Ethernet Controller (Mobile)'
> 
> Regards
> 
>        Matthias
> 



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