If the status returned by the user function called from acpi_walk_resources returns non-zero status, this status is returned immediately. I would guess that this is the origin of the unknown exception. Bob > -----Original Message----- > From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi- > owner@xxxxxxxxxxxxxxx] On Behalf Of Grant Wilson > Sent: Tuesday, August 22, 2006 11:59 AM > To: Len Brown > Cc: Maciej Rutecki; Andrew Morton; linux-kernel@xxxxxxxxxxxxxxx; linux- > acpi@xxxxxxxxxxxxxxx > Subject: Re: 2.6.18-rc4-mm2 > > On Mon, Aug 21, 2006 at 07:22:09PM -0400, Len Brown wrote: > > Please dump the stack so we can find the secretive caller to > > acpi_format_exception(). > > I get three of these when booting and the output from dump_stack > is the same for each. I've observed no problems as a result of > these reported failures. Here is the output from the first call > of dump_stack: > > Aug 22 19:39:33 tlg kernel: ACPI Error (utglobal-0125): Unknown exception > code: 0xFFFFFFEA [20060707] > Aug 22 19:39:33 tlg kernel: > Aug 22 19:39:33 tlg kernel: Call Trace: > Aug 22 19:39:33 tlg kernel: [<ffffffff80267cb8>] dump_trace+0xba/0x39e > Aug 22 19:39:33 tlg kernel: [<ffffffff80267fd8>] show_trace+0x3c/0x52 > Aug 22 19:39:33 tlg kernel: [<ffffffff80268003>] dump_stack+0x15/0x17 > Aug 22 19:39:33 tlg kernel: [<ffffffff803c8d10>] > acpi_format_exception+0xc0/0xcb > Aug 22 19:39:33 tlg kernel: [<ffffffff803c54e5>] > acpi_ut_status_exit+0x38/0x73 > Aug 22 19:39:33 tlg kernel: [<ffffffff803c11a0>] > acpi_walk_resources+0x12e/0x140 > Aug 22 19:39:33 tlg kernel: [<ffffffff803d85e5>] > acpi_motherboard_add+0x26/0x32 > Aug 22 19:39:33 tlg kernel: [<ffffffff803d73d7>] > acpi_bus_driver_init+0x3a/0x98 > Aug 22 19:39:33 tlg kernel: [<ffffffff803d796c>] > acpi_bus_register_driver+0xbd/0x144 > Aug 22 19:39:33 tlg kernel: [<ffffffff807dcbd4>] > acpi_motherboard_init+0x10/0x130 > Aug 22 19:39:33 tlg kernel: [<ffffffff802668f1>] init+0x13b/0x313 > Aug 22 19:39:33 tlg kernel: [<ffffffff8025dba8>] child_rip+0xa/0x12 > Aug 22 19:39:33 tlg kernel: DWARF2 unwinder stuck at child_rip+0xa/0x12 > Aug 22 19:39:33 tlg kernel: Leftover inexact backtrace: > Aug 22 19:39:33 tlg kernel: [<ffffffff802632ae>] > _spin_unlock_irq+0x2b/0x53 > Aug 22 19:39:33 tlg kernel: [<ffffffff8025d300>] restore_args+0x0/0x30 > Aug 22 19:39:33 tlg kernel: [<ffffffff80215fed>] > release_console_sem+0x4d/0x238 > Aug 22 19:39:33 tlg kernel: [<ffffffff802667b6>] init+0x0/0x313 > Aug 22 19:39:33 tlg kernel: [<ffffffff8025db9e>] child_rip+0x0/0x12 > > Cheers, > Grant > > - > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
