Date: Fri, 12 Sep 2003 15:22:49 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: John Birrell <jb@cimlogic.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: recent stability problems with fxp driver Message-ID: <XFMail.20030912152249.jdp@polstra.com> In-Reply-To: <20030912221950.GA84689@freebsd1.cimlogic.com.au>
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On 12-Sep-2003 John Birrell wrote: > I'm suffering what seem like different problems with the fxp driver. In RELENG_4 > the driver works well on two different embedded boards that I have. On one > of those boards I regularly transfer ~500 MB files [via HTTP 8-)] and the > driver appears stable. > > As soon as I try to run -current on one of those boards, the kernel hangs > in fxp's attach, just after the IRQ resource is allocated, and possibly just > when the driver tries to reset the board. I haven't been able to debug this. > I wonder if the device is creating an interrupt storm. > > I have a hard time believing that the BIOS is behaving any differently when > booting a RELENG_4 kernel compared to a current one. Certainly the probe > output for fxp is the same. > > When I try the same -current kernel on the other embedded board, it works. On the board that fails, have you tried disabling ACPI in /boot/loader.conf or at the loader prompt? It would be interesting to see whether that made a difference. John
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