Date: Tue, 27 Feb 2007 15:23:59 +0100 From: Paolo Pisati <piso@FreeBSD.org> To: Goran Gajic <ggajic@afrodita.rcub.bg.ac.yu> Cc: freebsd-current@mx1.freebsd.org Subject: Re: em0+msi related panic Message-ID: <20070227142358.GA1655@tin.it> In-Reply-To: <Pine.LNX.4.64.0702271128420.2901@afrodita.rcub.bg.ac.yu> References: <Pine.LNX.4.64.0702271128420.2901@afrodita.rcub.bg.ac.yu>
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On Tue, Feb 27, 2007 at 11:32:04AM +0100, Goran Gajic wrote: > > Hi, > > I was running 7.0-CURRENT until today with > > hw.pci.enable_msi=0 > hw.pci.enable_msix=0 > > in /boot/loader.conf > > However from today built it causes panic during boot: > > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0x0 > fault code = supervisor read, page not present > instruction pointer = 0x20:0x0 > stack pointer = 0x28:0xd3d3acd0 > frame pointer = 0x28:0xd3d3ace4 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 25 (irq19: em0 uhci1+) > [thread pid 25 tid 100019 ] > Stopped at 0: *** error reading from address 0 *** > db> bt > Tracing pid 25 tid 100019 td 0xc2d73360 > ithread_execute_handlers(c2de4b40,c2db7800) at > ithread_execute_handlers+0x119 > ithread_loop(c2eb0ad0,d3d3ad38) at ithread_loop+0x67 > fork_exit(c06ae8e0,c2eb0ad0,d3d3ad38) at fork_exit+0xac > fork_trampoline() at fork_trampoline+0x8 > --- trap 0, eip = 0, esp = 0xd3d3ad70, ebp = 0 --- o does em share the irq with another device? (vmstat -i) o do you have DEVICE_POLLING in you kernel config? bye, P.
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