| To: | Chris Dearman <chris@mips.com> |
|---|---|
| Subject: | Re: Malta + USB on 2.4, anyone? |
| From: | Jun Sun <jsun@mvista.com> |
| Date: | Thu, 31 Jul 2003 10:37:50 -0700 |
| Cc: | linux-mips@linux-mips.org, jsun@mvista.com |
| In-reply-to: | <3F28E702.70401@mips.com>; from chris@mips.com on Thu, Jul 31, 2003 at 10:53:06AM +0100 |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <20030730191219.A14914@mvista.com> <3F28E702.70401@mips.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.2.5i |
On Thu, Jul 31, 2003 at 10:53:06AM +0100, Chris Dearman wrote: > Jun Sun wrote: > > Has anybody tried USB on malta with 2.4 kernel? I just found that > > I got 0xff IRQ number and kernel panics. > > > Also, the kgdb seems to be flaky. Targets can send chars too fast > > so that chars get lost. It appears that the linux status register > > might be lying about "transmitter buffer empty". > > I regularly use gdb @ 115200 on Malta and haven't noticed any problems. > Yes. I notice that kgdb generally works, but gets flaky when I hit this particular problem. That makes me wonder maybe something gets very wrong with the controller chip.... Keep debugging ... Jun |
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