Date: Tue, 11 Jan 2011 10:48:24 -0500 From: Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com> To: Julien Cigar <jcigar@ulb.ac.be> Cc: freebsd-questions@freebsd.org Subject: Re: Corrupted MAC on input. Disconnecting: Packet corrupt Message-ID: <AANLkTimze-WEN8iP%2BfMQDpMK%2BsJFw-zVUapX5u5WZvXh@mail.gmail.com> In-Reply-To: <4D2C6502.4080906@ulb.ac.be> References: <4D2C263D.6050501@ulb.ac.be> <4D2C6502.4080906@ulb.ac.be>
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On Tue, Jan 11, 2011 at 9:11 AM, Julien Cigar <jcigar@ulb.ac.be> wrote: > On 01/11/2011 10:43, Julien Cigar wrote: > >> Hello, >> >> I'm facing a very strange problem on a machine: When I unzip a file (I'm >> 100% sure the file is not corrupted) and I get the following: >> >> jcigar@frodon ~ % ssh 10.0.0.225 >> Password: >> jcigar@dev ~ % unzip elgg-1.7.6.zip >> Archive: elgg-1.7.6.zip >> creating: elgg-1.7.6/ >> creating: elgg-1.7.6/engine/ >> inflating: elgg-1.7.6/engine/settings.example.php >> creating: elgg-1.7.6/engine/handlers/ >> creating: >> elgg-1.7.6/mod/tinymce/tinymce/jscripts/tiny_mce/plugins/emotions/langs/ >> inflating: >> >> elgg-1.7.6/mod/tinymce/tinymce/jscripts/tiny_mce/plugins/emotions/langs/= en_dlg.js >> >> inflating: >> >> elgg-1.7.6/mod/tinymce/tinymce/jscripts/tiny_mce/plugins/emotions/editor= _plugin.js >> >> inflating: >> >> elgg-1.7.6/mod/tinymce/tinymce/jscripts/tiny_mce/plugins/emotions/emotio= ns.htm >> >> Corrupted MAC on input. >> Disconnecting: Packet corrupt >> jcigar@frodon ~ % >> >> The system is running 8.2-RC1 (amd64). I had the same problem under >> 8.1-RELEASE (I thought it was a bug in the Ethernet driver, so I >> upgraded to 8.2-RC1) >> >> The card is: >> age0@pci0:2:0:0: class=3D0x020000 card=3D0x82261043 chip=3D0x10481969 re= v=3D0xb0 >> hdr=3D0x00 >> vendor =3D 'Attansic (Now owned by Atheros)' >> device =3D 'Gigabit Ethernet 10/100/1000 Base-T Controller (Atheros L1)' >> class =3D network >> subclass =3D ethernet >> >> Any idea what could be the problem ? >> >> Thanks, >> Julien >> > > OK, I dug a bit and found the problem ... > > I have 4 memory slots on the motherboard : D C B A > When I put a memory stick in A _or_ C it works > When I put memory sticks in A _and_ C it works too > However, when I put memory sticks in A _and_ B or A _and_ B _and_ C it > fails ... (dual channel) > > Could it be a bug... or a broken Bios ? > > >> >> In main boards , memory channels mainly are colored pair-wise , for example Red-Blue , Red-Blue . One of the colors is Zero channel , the other 1 channel . For Intel 1366 pin sockets , there are 3 pairs : for example , Red-Blue , Red-Blue , Red-Blue . When memory chips are installed , first zero channels should be filled , then one channels , as in increasing order . Placing memory chips arbitrarily will get a non-working main board , which is NOT a bug , but production principle . Another principle is when more than one chip is installed , they should be the SAME in pair-wise , for example Red channels having the same size , Blu= e channels having the same size as Mega or Giga bytes , and they should have same Mega-Hertz speed . The more complete and correct information may be obtained from your main board manual . Another point is =C2=B4Supported memory=C2=B4 chips list . W= hen you want to use memory chips , it is necessary to study main board supported chips list and select among them . It seems that your memory chips are correctly selected , but please insert them as instructed by the main board manual . In other combinations , working is accidental and I do not know there may be other problems associated incorrect placement . Personally I never insert chips in a way other than defined in manual . Some main boards may check correctness of insertions and it my give failure indicator beeps , but some main boards may not check , but will not work as you expected : Everything is working as single ones , but they are not working in combination . Thank you very much . Mehmet Erol Sanliturk
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