Bug 62831 - acpiphp_enumerate_slots() warning for slot managed by pciehp
Summary: acpiphp_enumerate_slots() warning for slot managed by pciehp
Status: NEW
Alias: None
Product: Drivers
Classification: Unclassified
Component: PCI (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: drivers_pci@kernel-bugs.osdl.org
URL: http://lkml.kernel.org/r/201310101659...
Keywords:
Depends on:
Blocks:
 
Reported: 2013-10-11 15:01 UTC by Bjorn Helgaas
Modified: 2013-10-11 21:36 UTC (History)
2 users (show)

See Also:
Kernel Version: 3.12-rc4
Subsystem:
Regression: No
Bisected commit-id:

Attachments
dmesg log (106.62 KB, text/plain)
2013-10-11 21:03 UTC, Bjorn Helgaas 		Details
lspci (26.01 KB, text/plain)
2013-10-11 21:04 UTC, Bjorn Helgaas 		Details
acpidump (raw, undecoded) (159.91 KB, text/plain)
2013-10-11 21:36 UTC, Bjorn Helgaas 		Details
DSDT.dsl (disassembled from acpidump) (228.38 KB, text/plain)
2013-10-11 21:36 UTC, Bjorn Helgaas 		Details
Add an attachment (proposed patch, testcase, etc.)

Description Bjorn Helgaas 2013-10-11 15:01:41 UTC 
Steve reported the following acpiphp warning and bisected it to commit a9238741 ("Merge tag 'pci-v3.12-changes'").  Both acpiphp and pciehp are enabled and compiled in statically.

  WARNING: CPU: 2 PID: 1 at /home/rostedt/work/git/linux-trace.git/drivers/pci/hotplug/acpiphp_glue.c:969 acpiphp_enumerate_slots+0xd2/0x19e()
  Modules linked in:
  CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.11.0-test+ #30
  [Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./To be filled by O.E.M., BIOS SDBLI944.86P 05/08/2007

  Call Trace:
   [<ffffffff812b6a37>] acpiphp_enumerate_slots+0xd2/0x19e
   [<ffffffff812ba288>] acpi_pci_add_bus+0x31/0x36
   [<ffffffff814557b1>] pcibios_add_bus+0xe/0x10
   [<ffffffff8150e8ff>] pci_add_new_bus+0x288/0x2c4
   [<ffffffff8129f3f6>] pci_scan_bridge+0x18b/0x4f4
   [<ffffffff8129f831>] pci_scan_child_bus+0xd2/0x11f
   [<ffffffff8129f42b>] pci_scan_bridge+0x1c0/0x4f4
   [<ffffffff8129f831>] pci_scan_child_bus+0xd2/0x11f
   [<ffffffff8145449c>] pci_acpi_scan_root+0x3d2/0x460
   [<ffffffff812d9ce7>] acpi_pci_root_add+0x2ca/0x393
   ...
   [<ffffffff81d0314b>] acpi_init+0x1f8/0x23e
Comment 1 Bjorn Helgaas 2013-10-11 21:03:47 UTC 
Created attachment 110701 [details]
dmesg log
Comment 2 Bjorn Helgaas 2013-10-11 21:04:09 UTC 
Created attachment 110711 [details]
lspci
Comment 3 Bjorn Helgaas 2013-10-11 21:36:37 UTC 
Created attachment 110721 [details]
acpidump (raw, undecoded)
Comment 4 Bjorn Helgaas 2013-10-11 21:36:56 UTC 
Created attachment 110731 [details]
DSDT.dsl (disassembled from acpidump)
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