Re: panic: Lock ACPI PCI link not exclusively locked

Kris Kennaway wrote:
> Rebuilt 6.0 kernel tonight, panics at boot:
> 
> pci_link0: <ACPI PCI Link LNKB> irq 6 on acpi0
> panic: Lock ACPI PCI link not exclusively locked _at_ /a/portbuild/i386/src-client/sys/dev/acpica/acpi_pci_link.c:153
> 
> KDB: enter: panic
> [thread pid 0 tid 0 ]
> Stopped at      kdb_enter+0x32: leal    0(%esi),%esi
> db>
> db> tr
> Tracing pid 0 tid 0 td 0xc07b8260
> kdb_enter(c07551c4,c07ba540,c07558db,c0c20a7c,c07b8260) at kdb_enter+0x32
> panic(c07558db,c0740d53,c0740d88,99,c0c20b00) at panic+0x14d
> _sx_assert(c07b4a60,4,c0740d88,99,c1a2e9c0) at _sx_assert+0xfe
> link_add_crs(c1a2e9c0,c0c20b00,c0c20ac8,2c,c1a2e9c0) at link_add_crs+0x35
> AcpiWalkResources(c1950900,c073db16,c047e620,c0c20b00,c195c980) at AcpiWalkResources+0x8d
> acpi_pci_link_attach(c1a28380,c19bd04c,c077a96c,c0756dc5,0) at acpi_pci_link_attach+0x251
> device_attach(c1a28380,c0475100,c0c20b78,c0c20b80,0) at device_attach+0x2c9
> prt_attach_devices(c1a08800,c195c400,c195c980,c195c400,c1a0f994) at prt_attach_devices+0xe6
> prt_walk_table(c195c400,c0771297,0,c0c20bcc,0) at prt_walk_table+0x3c
> acpi_pcib_attach(c195c400,c1a0f994,0,c0c20c04,c0473fb7,c0764021,c1945970,c077a96c,c19494a0) at acpi_pcib_attach+0xe4
> acpi_pcib_acpi_attach(c195c400,c19b104c,c077a96c,c0756dc5,0) at acpi_pcib_acpi_attach+0xf9
> device_attach(c195c400,1fefffff,c0c20cbc,c0476474,c195c980) at device_attach+0x2c9
> bus_generic_attach(c195c980,100000,1fefffff,c1a0f9e8,100000) at bus_generic_attach+0x18
> acpi_attach(c195c980,c19ca04c,c077a96c,c0756dc5,0) at acpi_attach+0x7b4
> device_attach(c195c980,c195ca00,c0c20d18,c070d6da,c195ca00) at device_attach+0x2c9
> bus_generic_attach(c195ca00,c195ca4c,c0c20d54,c0574679,c195ca00) at bus_generic_attach+0x18
> nexus_attach(c195ca00,c19e084c,c077a96c,c0756dc5,0) at nexus_attach+0x1a
> device_attach(c195ca00,c07a4190,c0c20d78,c06fff08,c19ac180) at device_attach+0x2c9
> root_bus_configure(c19ac180,c077305f,0,c0c20d98,c052ed66) at root_bus_configure+0x19
> configure(0,0,c0777508,c1ec00,c1e000) at configure+0x28
> mi_startup() at mi_startup+0xd6
> begin() at begin+0x2c
> 
> Kris

This has been partially addressed by David backing out my commit 
although I will now complete the backout for the !SMP case too.

-- 
Nate