https://bugzilla.kernel.org/show_bug.cgi?id=53561
Summary: [next-20130204] irq 18: nobody cared
Product: ACPI
Version: 2.5
Kernel Version: next-20130204
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Config-Interrupts
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: Yes
Created an attachment (id=92851)
--> (https://bugzilla.kernel.org/attachment.cgi?id=92851)
dmesg from next-20130204
Regression with next-20130204+ (from next-20130125):
[ 36.199730] Call Trace:
[ 36.199734] <IRQ> [<ffffffff810f1076>] __report_bad_irq+0x36/0xe0
[ 36.199754] [<ffffffff810f152a>] note_interrupt+0x1aa/0x200
[ 36.199761] [<ffffffff8101edf2>] ? mwait_idle+0x82/0x1b0
[ 36.199766] [<ffffffff810eed89>] handle_irq_event_percpu+0xc9/0x260
[ 36.199771] [<ffffffff810eef68>] handle_irq_event+0x48/0x70
[ 36.199776] [<ffffffff810f20ba>] handle_fasteoi_irq+0x5a/0x100
[ 36.199784] [<ffffffff810182f2>] handle_irq+0x22/0x40
[ 36.199792] [<ffffffff8163a65a>] do_IRQ+0x5a/0xd0
[ 36.199799] [<ffffffff8163136d>] common_interrupt+0x6d/0x6d
[ 36.199803] <EOI> [<ffffffff810f8e2a>] ? rcu_eqs_enter_common+0x4a/0x320
[ 36.199823] [<ffffffff8101edf2>] ? mwait_idle+0x82/0x1b0
[ 36.199827] [<ffffffff8101ed99>] ? mwait_idle+0x29/0x1b0
[ 36.199834] [<ffffffff8101f8a6>] cpu_idle+0x116/0x130
[ 36.199846] [<ffffffff8161997f>] start_secondary+0x251/0x258
[ 36.199854] handlers:
[ 36.199859] [<ffffffff8147d450>] usb_hcd_irq
[ 36.199863] Disabling IRQ #18
Boot completes successfully but first touch of mouse or keyboard generates the
call trace.
Mouse and keyboard are usb wireless on usb bus 4.
peter@thor:~$ lsusb
Bus 001 Device 002: ID 0bc2:2000 Seagate RSS LLC Storage Adapter V3 (TPP)
Bus 004 Device 002: ID 0764:0501 Cyber Power System, Inc. CP1500 AVR UPS
Bus 004 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 005 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of
BCM2046 Bluetooth)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 003: ID 0a5c:4502 Broadcom Corp. Keyboard (Boot Interface
Subclass)
Bus 005 Device 004: ID 0a5c:4503 Broadcom Corp. Mouse (Boot Interface Subclass)
Bus 005 Device 005: ID 0461:4d75 Primax Electronics, Ltd Rocketfish RF-FLBTAD
Bluetooth Adapter
[ 3.465011] uhci_hcd 0000:00:1d.2: setting latency timer to 64
[ 3.465019] uhci_hcd 0000:00:1d.2: UHCI Host Controller
[ 3.465028] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus
number 4
[ 3.465066] uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000ff40
[ 3.465199] hub 4-0:1.0: USB hub found
[ 3.465206] hub 4-0:1.0: 2 ports detected
git bisect blames this commit:
4f53509 (HEAD, refs/bisect/bad) PCI: Put pci_dev in device tree as early as
possible
I've attached dmesg & /proc/interrupts for the following kernels:
- next-20120204
- next-20120204+revert4f53509 (has issues but doesn't drop interrupts)
- 3.8.0-rc7 (working)
These messages in the bad dmesg log are interesting since PCI INT A is routed
on
irq 18 with the kernels that work.
[ 8.983246] pci 0000:00:1e.0: can't derive routing for PCI INT A
[ 8.983600] snd_ctxfi 0000:09:02.0: PCI INT A: no GSI - using ISA IRQ 5
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