Public bug reported:
On occasion, the operating system will boot up fine. Most of the time,
it will give the following error about 1 second after I select to boot
the OS in grub (dual boot with Vista).
[ 0.231524] [<c0210d54>] acpi_ds_init_aml_walk+0xb4/0xfe
[ 0.231738] [<c021e47c>] acpi_ps_execute_pass+0x81/0x94
[ 0.231953] [<c021e57d>] acpi_ps_execute_method+0xbe/0x14d
[ 0.232168] [<c021b951>] acpi_ns_evaluate+0x9d/0xfc
[ 0.232382] [<c021b4a9>] acpi_evaluate_object+0x139/0x1e0
[ 0.232597] [<c020d321>] acpi_evaluate_integer+0x80/0xb3
[ 0.232811] [<c0225246>] acpi_bus_get_status+0x32/0x8a
[ 0.233025] [<c0229315>] acpi_add_single_object+0x1b0/0x7d8
[ 0.233240] [<c022400c>] acpi_ut_acquire_mutex+0x32/0x7a
[ 0.233454] [<c0223f2f>] acpi_ut_release_mutex+0x5b/0x63
[ 0.233669] [<c0229a52>] acpi_bus_scan+0x115/0x184
[ 0.233882] [<c03f24a0>] acpi_scan_init+0x16b/0x18d
[ 0.234097] [<c0100511>] init+0x111/0x330
[ 0.234310] [<c0103126>] ret_from_fork+0x6/0x20
[ 0.234524] [<c0100400>] init+0x0/0x330
[ 0.234736] [<c0100400>] init+0x0/0x330
[ 0.234946] [<c01044c7>] kernel_thread_helper+0x7/0x10
[ 0.235160] =======================
[ 0.235271] Code: 55 57 56 53 89 c3 8d 70 04 83 ec 0c 89 f0 65 8b 3d 08 00 00
00 e8 c6 0c 00 00 8d 6b 08 b8 ff ff ff ff 8b 55 04 89 2c 24 89 65 04 <89> 22 89
54 24 04 89 7c 24 08 87 03 83 e8 01 74 2a 8d 74 26 00
[ 0.241913] EIP: [<c02eda4b>] __mutex_lock_slowpath+0x2b/0x90 SS:ESP 0068:df9
05b74
[ 0.242237] <0>Kernel panic - not syncing: Attempted to kill init!
[ 0.242459]
I'm using an Acer Aspire 5720-6497 that is brand new, and the few times
I can boot into Linux, things seem to run just fine. I've run Ubuntu on
a few desktops as well as a laptop, all running without a hitch. Also,
this effects both kernel 2.6.20-15 and 2.6.20-16.
** Affects: Ubuntu
Importance: Undecided
Status: New
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kernel panic on boot
https://bugs.launchpad.net/bugs/132490
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