Public bug reported:
In Gutsy Gibbon with all current patches applied.
Initially USB works. However after a period of inactivity any new
devices connected are not recognised. Doing a 'dmesg' reveals the track
below
Devices plugged in before the call trace continue to work.
[ 492.095307] Call Trace:
[ 492.095311] <IRQ> [<ffffffff8026aaae>] __report_bad_irq+0x1e/0x80
[ 492.095354] [<ffffffff8026ad93>] note_interrupt+0x283/0x2c0
[ 492.095373] [<ffffffff8026b8fd>] handle_fasteoi_irq+0xdd/0x110
[ 492.095388] [<ffffffff8020c6ab>] do_IRQ+0x7b/0x100
[ 492.095398] [<ffffffff8020a3a1>] ret_from_intr+0x0/0xa
[ 492.095404] <EOI> [<ffffffff88025ac9>]
:processor:acpi_processor_idle+0x25f/0x456
[ 492.095452] [<ffffffff88025abf>] :processor:acpi_processor_idle+0x255/0x456
[ 492.095470] [<ffffffff8802586a>] :processor:acpi_processor_idle+0x0/0x456
[ 492.095483] [<ffffffff802090c0>] cpu_idle+0x70/0xc0
[ 492.095495] [<ffffffff80588815>] start_kernel+0x285/0x310
[ 492.095509] [<ffffffff8058811e>] _sinittext+0x11e/0x160
[ 492.095519]
[ 492.095522] handlers:
[ 492.095526] [<ffffffff88038d20>] (usb_hcd_irq+0x0/0x60 [usbcore])
[ 492.095559] Disabling IRQ #19
** Affects: linux-source-2.6.22 (Ubuntu)
Importance: Undecided
Status: New
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USB Stops Working (Disabling IRQ #19) Gutsy Gibbon Beta
https://bugs.launchpad.net/bugs/151252
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