[gPXE] RTL8185L desktop wifi PCI card: "No filename...No network devices" error
Joshua Oreman
oremanj at rwcr.net
Thu Jul 21 01:07:33 EDT 2011
On Wed, Jul 20, 2011 at 9:51 PM, J C <c7aff at yahoo.com> wrote:
> Thanks for your response. I think I've successfully used gPXE with an http
> cloud boot on the 8139 NIC before.
>
> Attached is a pic of the screen when running the commands you sent. It's
> not of good quality. 2 of the important but fuzzy lines read like so:
>
> ...Operation cancelled (0x0b4e40a0)
> ...Packet decryption error (0x1c1f6602)
>
> My Wifi AP has WPA-PSK TKIP. I'd like to know more of what file this refers
> to: "DHCP server responded but didn't specify a filename to boot". I'm
> guessing it it's the pxe menu file. I play around with this.
>
Please keep the list in the CC (your attachment included on this message for
their benefit).
None of the error lines you indicated are problematic - DHCP succeeds and
obtains an IP address (10.0.0.5; is that correct for your network?)
Your DHCP server needs to be providing a "filename" option specifying which
file gPXE should boot. It's not. That's the cause of your troubles here; you
need to reconfigure your DHCP server so that gPXE knows what to do once it
has its IP address. This is not wireless-specific; it's the same as for any
PXE boot. Maybe your wireless network has a DHCP server that's separate from
your wired network, and you've only configured the one on your wired
network?
Josh
>
> JC
>
>
>
> --- On *Thu, 7/21/11, Joshua Oreman <oremanj at rwcr.net>* wrote:
>
>
> From: Joshua Oreman <oremanj at rwcr.net>
> Subject: Re: [gPXE] RTL8185L desktop wifi PCI card: "No filename...No
> network devices" error
> To: "J C" <c7aff at yahoo.com>
> Cc: "gpxe" <gpxe at etherboot.org>
> Date: Thursday, July 21, 2011, 3:15 AM
>
>
> On Wed, Jul 20, 2011 at 7:49 PM, J C <c7aff at yahoo.com<http://us.mc1207.mail.yahoo.com/mc/compose?to=c7aff@yahoo.com>
> > wrote:
>
> I'm using an RTL8185L desktop wireless PCI card (lspci says: rev 20),
> 10ec:8185. I used a rom-o-matic ISO, selected rtl8185, and placed this
> script in the "Embedded Script" field at the bottom:
>
> #!gpxe
> set net0/ssid MYAP
> set net0/key MYPSWORD
> autoboot
>
> I tried many rom-o-matic combos, some with all drivers, some with no
> embedded script, but this seems to work the best. IWLIST shows my AP. IWSTAT
> shows my AP and connection quality. In IRC I did this:
>
> <me1user> gpxebot: lspci 10ec:8185
> <gpxebot> rtl8185
>
> I also used the command line (ctrl-B) and typed:
>
> set net0/ssid MYAP
> set net0/key MYPSWORD
> dhcp net0
> autoboot
>
> However, I keep getting the below text with the cmd line and the ISO files.
> B and C always show up and A only shows up sometimes and I don't recall the
> order used when it doesn't show:
>
> A) Link status: The socket is not connected (0x38086001)
> B) No filename or root path specified
> C) No more network devices
>
> The other thing I should note is that I'm booting via PXE using a wireless
> router in client bridge mode (makes my 8139 NIC 'seem' like a wifi card) - I
> haven't yet tried it with a CD:
>
> label gPXE8185
> menu label gPXE8185
> kernel boot/gpxe8185/RTL8185.KRN
> append initrd=boot/gpxe8185/ISOLINUX.BIN
>
> Any ideas on a solution? Do I need try a different card? I bought 2 for
> this purpose so far. Thanks, --c7aff
>
> (I have another RTL8185L that says rev B1 on the card but it said 'Not
> Supported' when I tried it in gPXE command line)
>
>
> Hi JC,
>
> I'm the original author of the rtl8185 driver, but this doesn't sound like
> a driver-specific problem. Specifically, "No filename or root path
> specified" usually indicates that the DHCP server responded but didn't
> specify a filename to boot, and "No more network devices" just means a boot
> has been attempted off of every supported network card in the system. "The
> socket is not connected" message is normal on wireless before the interface
> is opened (which occurs when you type "ifopen netX" or automatically when
> you try to perform DHCP).
>
> Note that the rtl8139 card in your machine is also supported, so you should
> be sure you're using the correct network interface for the wireless if
> you're using an all-drivers build. (The ordering will depend on which card
> has the lower PCI device number in your system, but it should be consistent
> between boots.)
>
> It's very difficult to diagnose exactly what's going on when you're giving
> such vague impressions of the output. Could you please run the following
> commands and transcribe or take a screenshot (using e.g. a digital camera)
> of the results?
>
> iwstat
> [note which network device is listed, and replace "netX" with it in the
> below]
> set netX/ssid yournetworkname
> set netX/key yourpassword
> iwstat
> dhcp netX
> iwstat
> autoboot
>
> Josh
>
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>
>
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