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miraage
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Joined: 14 Oct 2002
Posts: 15

PostPosted: Sun May 02, 2004 11:49 pm    Post subject: Xircom Slow Performance Reply with quote

I have been experiencing similar performance issues as those described in the thread: https://forums.gentoo.org/viewtopic.php?t=130769&highlight=xircom+slow

All transfers between this computer and any other computer in the network occur at a max speed of about 1.3MB/s, whereas in transactions between any two computers in the network excluding this computer occur at about 8MB/s.

Could you give me a hand in trying to figure this out? Currently, neither the new or the old driver that the author of the referenced thread described are used in my configuration. These are located under Networking->Ethernet (10)->Tulip->Xircom*{old|new}

The only module that my system uses is the one created by enabling the CONFIG_PCMCIA_XIRC2PS kernel option. This option is found under Networking->PCMCIA->Xircom 16-bit.

I'm using the linux-2.6.5-vanilla kernel. Thanks in advance.
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wilburpan
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Joined: 21 Jan 2003
Posts: 977

PostPosted: Mon May 10, 2004 10:03 pm    Post subject: Reply with quote

Try building either the old or new versions of the Xircom Tulip drivers as modules, one at a time. Then rebuild your kernel, reboot, and see if your network speed improves.

This is an inelegant and brute force type of solution, but it works.

Here are the modules I have active on my laptop:

Code:
$ lsmod
Module                  Size  Used by
usbhid                 22336  0
ehci_hcd               23716  0
uhci_hcd               27440  0
snd_seq_midi            6336  0
snd_es1968             26216  4
snd_ac97_codec         59140  1 snd_es1968
snd_mpu401_uart         5632  1 snd_es1968
snd_rawmidi            19780  2 snd_seq_midi,snd_mpu401_uart
snd_seq_oss            29632  0
snd_seq_midi_event      5952  2 snd_seq_midi,snd_seq_oss
snd_seq                47344  5 snd_seq_midi,snd_seq_oss,snd_seq_midi_event
snd_seq_device          6600  4 snd_seq_midi,snd_rawmidi,snd_seq_oss,snd_seq
snd_pcm_oss            47304  0
snd_pcm                82920  3 snd_es1968,snd_pcm_oss
snd_page_alloc          8776  2 snd_es1968,snd_pcm
snd_timer              21124  2 snd_seq,snd_pcm
snd_mixer_oss          16576  1 snd_pcm_oss
snd                    47076  20 snd_seq_midi,snd_es1968,snd_ac97_codec,snd_mpu401_uart,snd_rawmidi,snd_seq_oss,snd_seq_midi_event,snd_seq,snd_seq_device,snd_pcm_oss,snd_pcm,snd_timer,snd_mixer_oss
soundcore               7008  1 snd
xircom_tulip_cb        15344  0
crc32                   3808  1 xircom_tulip_cb
ds                     13508  4
yenta_socket           16512  1
pcmcia_core            56308  2 ds,yenta_socket
usbcore                91836  5 usbhid,ehci_hcd,uhci_hcd
nls_iso8859_1           3680  1
nls_cp437               5344  1


As you can see, I'm using the older Xircom Tulip driver (xircom_tulip_cb). Also note that even though I have the Xircom 16-bit driver built as a module (xirc2ps_cs) in my kernel config file, xirc2ps_cs is not being loaded.
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