Date: Mon, 20 Jun 2011 22:08:16 -0400 From: Ansar Mohammed <ansarm@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: Shooting trouble on a PCI bus hang Message-ID: <BANLkTimNRz2e4d4fBcDBoL=8F9yidPmsFw@mail.gmail.com> In-Reply-To: <201106201643.35418.jhb@freebsd.org> References: <BANLkTinGGTpwGdUFSW7jNHmpR8fyYoGd6Q@mail.gmail.com> <7B9E5AE3-C895-4D07-B923-A2F178B7B9BF@bsdimp.com> <BANLkTikG02MsgcXPmJhJ%2B63Qp5i1G59nvA@mail.gmail.com> <201106201643.35418.jhb@freebsd.org>
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Let me do a bit more testing on this John. I will try with older (7.x) and newer (9-current) kernels to verify that this is not a regression or otherwise. Also, this is a WYSE SX0 thin client with a stripped down BIOS, so I dont expect that many other people will run into this issue. On Mon, Jun 20, 2011 at 4:43 PM, John Baldwin <jhb@freebsd.org> wrote: > On Monday, June 20, 2011 4:03:26 pm Ansar Mohammed wrote: > > So with a plethora of printfs in pci.c I managed to track it down to a > call > > to *pci_read_bar *against an AMD CS5536 PCI-ISA bridge. This somehow > > intermittently hangs on bootup. > > Any suggestions? > > Hmm, do you know what kind of BAR it is, or perhaps the raw value of the > BAR > that we first read that was setup by the firmware? > > -- > John Baldwin >
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