Messages in this thread | | | Date | Fri, 23 Mar 2001 18:49:55 -0600 | From | Steven Walter <> | Subject | Re: eepro100 question: why SCBCmd byte is 0x80? |
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I'm having a similar problem with the onboard network card of a Sony Vaio Laptop. I haven't tracked it down as far as you can; how can I confirm its the same problem as yours?
On Fri, Mar 23, 2001 at 09:34:36AM -0800, Jun Sun wrote: > christophe barbe wrote: > > > > Which kernel are you using. > > > > I've had a similar problem with 2.2.18. > > I've backported 2.2.19pre changes to it. > > (i.e. apply on 2.2.18 a diff of the file drivers/net/eepro100.c made between 2.2.18 and the last 2.2.19pre) > > And since I've never seen this problem again. > > > > Christophe > > > > Kernel is 2.4.2. It is a MIPS machine. > > I don't really think it is a driver problem, because the same dirver works > fine on many other boards (including MIPS boards). In addition, I also tested > with tulip cards and I had the same symptom. I am convinced it is a low-level > problem (bus timing, PCI setting, buggy hardware, etc). > > On the other hand, it could be a driver problem which is only exposed in this > particular board, although very unlikely. > > BTW, does the eepro100 patch for 2.2.19pre apply to 2.4.2? Or it is already > in it? > > Thanks. > > Jun > > > On jeu, 22 mar 2001 22:04:45 Jun Sun wrote: > > > > > > I am trying to get netgear card working on a new (read as potentially buggy > > > hardware) MIPS board. > > > > > > The eepro100 driver basically works fine. It is just after a little while > > > (usually 2 sec to 15 sec) network communication suddenly stops and I start see > > > error message like "eepro100: wait_for_cmd_done timeout!". > > > > > > I looked into this, and it appears that the SCBCmd byte in the command word > > > has value 0x80 instead of the expected 0. I looked at the Intel manual, and > > > it says nothing about the value being 0x80. > > > > > > Does anybody have a clue here? I suspect some timing is wrong or a buggy PCI > > > controller. > > > > > > Please cc your reply to my email address. Thanks. > > > > > > Jun > > > - > > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > > the body of a message to majordomo@vger.kernel.org > > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > Please read the FAQ at http://www.tux.org/lkml/ > > > > > -- > > Christophe Barbé > > Software Engineer > > Lineo High Availability Group > > 42-46, rue Médéric > > 92110 Clichy - France > > phone (33).1.41.40.02.12 > > fax (33).1.41.40.02.01 > > www.lineo.com > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
-- -Steven Freedom is the freedom to say that two plus two equals four. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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