Date: Fri, 04 May 2007 16:49:35 +0100 From: Rui Paulo <rpaulo@fnop.net> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/amd64 mptable_pci.c msi.c nexus.c src/sys/amd64/include intr_machdep.h src/sys/amd64/pci pci_bus.c src/sys/dev/acpica acpi_pcib_acpi.c acpi_pcib_pci.c src/sys/dev/pci pci.c pci_if.m pci_pci.c pci_private.h pcib_if.m ... Message-ID: <86hcqs612o.wl%rpaulo@fnop.net> In-Reply-To: <200705021750.l42HoaMj067787@repoman.freebsd.org> References: <200705021750.l42HoaMj067787@repoman.freebsd.org>
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At Wed, 2 May 2007 17:50:36 +0000 (UTC), John Baldwin wrote: > > jhb 2007-05-02 17:50:36 UTC > > FreeBSD src repository > > Modified files: > sys/amd64/amd64 mptable_pci.c msi.c nexus.c > sys/amd64/include intr_machdep.h > sys/amd64/pci pci_bus.c > sys/dev/acpica acpi_pcib_acpi.c acpi_pcib_pci.c > sys/dev/pci pci.c pci_if.m pci_pci.c pci_private.h > pcib_if.m pcib_private.h pcivar.h > sys/i386/i386 mptable_pci.c msi.c nexus.c > sys/i386/include intr_machdep.h > sys/i386/pci pci_bus.c > Log: > Revamp the MSI/MSI-X code a bit to achieve two main goals: > - Simplify the amount of work that has be done for each architecture by > pushing more of the truly MI code down into the PCI bus driver. > - Don't bind MSI-X indicies to IRQs so that we can allow a driver to map > multiple MSI-X messages into a single IRQ when handling a message > shortage. With this change, I think, I get a WITNESS panic when booting the second core on my MacBook After SMP: AP #1 Launched, I get this panic: panic: blockable sleep lock (sx) msi @ i386/i386/msi.c:374 The backtrace is: witness_checkorder() _sx_lock() msi_map() nexus_map_msi() acpi_pcib_map_msi() pcib_map_msi() pci_remap_msi_irq() msi_assign_cpu() Any idea why?
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