[Bug 422928] New: USB on HP xw6600 causes irq nobody cared disabling irqs used for USB
https://bugzilla.novell.com/show_bug.cgi?id=422928 Summary: USB on HP xw6600 causes irq nobody cared disabling irqs used for USB Product: openSUSE 11.0 Version: Final Platform: x86-64 OS/Version: openSUSE 11.0 Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: ccox@endlessnow.com QAContact: qa@suse.de Found By: --- Created an attachment (id=237369) --> (https://bugzilla.novell.com/attachment.cgi?id=237369) logs for three scenarios.. usb off, usb on and usb on with kotd On the HP xw6600 workstation with the Device Security set to leave the USB ports unhidden (that is... usable), the boot.msg shows the irq's getting disabled. Attempting to reload the usb modules and scan a device yields messages about disconnects and possible the fact that the usb infrastructure is listening on the wrong irq. I believe (though I don't have the output... but can get it) openSUSE 10.3 has the same problem. So this appears to be a hardware situation not handled well by the kernel. I have many log files for examination. I have captured the dmesg, boot.msg, interrupts, hwinfo, lsmod, procinfo for the following scenarios: For openSUSE 11.0 with latest updates: USB hidden by the BIOS (basically clean logs since USB is effectively off) USB unhidden by BIOS (USB enabled) and lastly, using the kotd 2.6.27rc5 Occasionally, I can somehow get devices to attach to the machine via USB 1.1 (but not 2.0)... but I'm not sure when/why that works sometimes. Most of the time I get read errors... even if ehci_hcd is unloaded. The machine is booting with irqs managed by acpi with apic. Turning off acpi results it a non bootable machine. However the machine can boot with noapic pci=routeirq (to get the "old" way). But this doesn't solve the problem... but I can get those logs if you just have to see them. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Cyril Hrubis
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--- Comment #2 from Chris Cox
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Jeff Mahoney
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Oliver Neukum
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Oliver Neukum
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--- Comment #5 from Chris Cox
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--- Comment #6 from Oliver Neukum
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--- Comment #7 from Chris Cox
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--- Comment #8 from Oliver Neukum
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--- Comment #9 from Chris Cox
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Oliver Neukum
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--- Comment #10 from Oliver Neukum
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Tejun Heo
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Tejun Heo
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--- Comment #15 from Alexander Graf
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Tejun Heo
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--- Comment #17 from Chris Cox
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--- Comment #18 from Oliver Neukum
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--- Comment #19 from Chris Cox
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--- Comment #20 from Oliver Neukum
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Chris Cox
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Oliver Neukum
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Oliver Neukum
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Jiri Slaby
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--- Comment #25 from Jiri Slaby
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Oliver Neukum
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Oliver Neukum
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Oliver Neukum
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--- Comment #31 from Chris Cox
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Pavel Machek
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Oliver Neukum
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--- Comment #34 from Chris Cox
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Oliver Neukum
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--- Comment #36 from Jiri Slaby
I did it. The "bimbo" module did sit on top of irq 16, but didn't seem to work for 18.
Yeah, it grabs the interrupt in an unshared manner. If there is already a driver sitting on there, it won't grab it.
From /proc/interrupts after a reboot...
16: 40514 40461 34642 34666 40212 40319 34662 34525 IO-APIC-fasteoi bimbo
The values are way to high if it is right after a reboot. What all other interrupts rise the same speed as this one? Are there similar values for any other interrupt number? Does it count even if you don't use usb devices? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #38 from Jiri Slaby
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--- Comment #39 from Chris Cox
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--- Comment #40 from Jiri Slaby
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--- Comment #41 from Pavel Machek
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--- Comment #43 from Jiri Slaby
Jiri, let me know about what scenario to use for the lspci run.
Just boot the system somehow so that you can get a shell and grab the output... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #45 from Jiri Slaby
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--- Comment #46 from Thomas Renninger
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Thomas Renninger
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--- Comment #61 from Thomas Renninger
but the change needed to do so is almost trivial Mind to give it a try? The UHCI driver can handle many controllers on the same IRQ just fine. If we know which bus:slot.func device is the offender, I can provide a DSDT to let this device make use of IRQ 16. Maybe the BIOS info which IRQ to take of one of the USB devices is wrong...
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Pavel Machek
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--- Comment #64 from Oliver Neukum
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