2.6.21-rc7-mm2 suspend bug. [kernel/kthread.c]

["Dan Kruchinin" <dubalom@gmail.com>]

Hi all.

There is a problem on my macbook core duo with suspend.
after suspending when i'm trying to 'wake up' my notebook, it seems
that it works, but i don't see anything at my monitor. So i have to
reboot it to continue my work.

bug:
---
Apr 29 23:31:16 midgard kernel: [140594.900856] BUG: at
kernel/kthread.c:166 kthread_bind()
Apr 29 23:31:16 midgard kernel: [140594.900870]  [<c0142c9b>]
_cpu_down+0x16b/0x250
Apr 29 23:31:16 midgard kernel: [140594.900893]  [<c0142f80>]
disable_nonboot_cpus+0x60/0xf0
Apr 29 23:31:16 midgard kernel: [140594.900903]  [<c0147efa>]
enter_state+0x22a/0x240
Apr 29 23:31:16 midgard kernel: [140594.900913]  [<c0147fcd>]
state_store+0xbd/0xd0
Apr 29 23:31:16 midgard kernel: [140594.900920]  [<c0147f10>]
state_store+0x0/0xd0
Apr 29 23:31:16 midgard kernel: [140594.900927]  [<c01c1559>]
subsys_attr_store+0x29/0x40
Apr 29 23:31:16 midgard kernel: [140594.900937]  [<c01c1774>]
sysfs_write_file+0xd4/0x160
Apr 29 23:31:16 midgard kernel: [140594.900948]  [<c0180eb6>]
vfs_write+0xa6/0x160
Apr 29 23:31:16 midgard kernel: [140594.900958]  [<c01c16a0>]
sysfs_write_file+0x0/0x160
Apr 29 23:31:16 midgard kernel: [140594.900966]  [<c0181601>]
sys_write+0x41/0x70
Apr 29 23:31:16 midgard kernel: [140594.900974]  [<c018c70b>]
sys_dup2+0xeb/0x120
Apr 29 23:31:16 midgard kernel: [140594.900984]  [<c0104116>]
sysenter_past_esp+0x5f/0x85
Apr 29 23:31:16 midgard kernel: [140594.900999]  =======================
---

dmesg output:
----
....
Apr 29 23:31:16 midgard kernel: [140594.788697] Suspending device vtcon0
Apr 29 23:31:16 midgard kernel: [140594.788700] Suspending device platform
Apr 29 23:31:16 midgard kernel: [140594.788704] Disabling non-boot CPUs ...
Apr 29 23:31:16 midgard kernel: [140594.900464] CPU 1 is now offline
Apr 29 23:31:16 midgard kernel: [140594.900469] SMP alternatives:
switching to UP code
Apr 29 23:31:16 midgard kernel: [140594.900856] BUG: at
kernel/kthread.c:166 kthread_bind()
Apr 29 23:31:16 midgard kernel: [140594.900870]  [<c0142c9b>]
_cpu_down+0x16b/0x250
Apr 29 23:31:16 midgard kernel: [140594.900893]  [<c0142f80>]
disable_nonboot_cpus+0x60/0xf0
Apr 29 23:31:16 midgard kernel: [140594.900903]  [<c0147efa>]
enter_state+0x22a/0x240
Apr 29 23:31:16 midgard kernel: [140594.900913]  [<c0147fcd>]
state_store+0xbd/0xd0
Apr 29 23:31:16 midgard kernel: [140594.900920]  [<c0147f10>]
state_store+0x0/0xd0
Apr 29 23:31:16 midgard kernel: [140594.900927]  [<c01c1559>]
subsys_attr_store+0x29/0x40
Apr 29 23:31:16 midgard kernel: [140594.900937]  [<c01c1774>]
sysfs_write_file+0xd4/0x160
Apr 29 23:31:16 midgard kernel: [140594.900948]  [<c0180eb6>]
vfs_write+0xa6/0x160
Apr 29 23:31:16 midgard kernel: [140594.900958]  [<c01c16a0>]
sysfs_write_file+0x0/0x160
Apr 29 23:31:16 midgard kernel: [140594.900966]  [<c0181601>]
sys_write+0x41/0x70
Apr 29 23:31:16 midgard kernel: [140594.900974]  [<c018c70b>]
sys_dup2+0xeb/0x120
Apr 29 23:31:16 midgard kernel: [140594.900984]  [<c0104116>]
sysenter_past_esp+0x5f/0x85
Apr 29 23:31:16 midgard kernel: [140594.900999]  =======================
Apr 29 23:31:16 midgard kernel: [140594.902843] CPU1 is down
Apr 29 23:31:16 midgard kernel: [18014366.415769] Enabling non-boot CPUs ...
Apr 29 23:31:16 midgard kernel: [18014366.426999] SMP alternatives:
switching to SMP code
Apr 29 23:31:16 midgard kernel: [18014366.427165] Booting processor 1/1 eip 3000
Apr 29 23:31:16 midgard kernel: [18014366.436913] Initializing CPU#1
Apr 29 23:31:16 midgard kernel: [18014366.509141] Calibrating delay
using timer specific routine.. 3994.69 BogoMIPS (lpj=7989390)
Apr 29 23:31:16 midgard kernel: [18014366.509152] monitor/mwait feature present.
Apr 29 23:31:16 midgard kernel: [18014366.509156] CPU: L1 I cache:
32K, L1 D cache: 32K
Apr 29 23:31:16 midgard kernel: [18014366.509158] CPU: L2 cache: 2048K
Apr 29 23:31:16 midgard kernel: [18014366.509160] CPU: Physical Processor ID: 0
Apr 29 23:31:16 midgard kernel: [18014366.509161] CPU: Processor Core ID: 1
Apr 29 23:31:16 midgard kernel: [18014366.509637] CPU1: Intel Genuine
Intel(R) CPU            1500  @ 2.00GHz stepping 08
Apr 29 23:31:16 midgard kernel: [18014366.509659] checking TSC
synchronization [CPU#0 -> CPU#1]:
Apr 29 23:31:16 midgard kernel: [18014366.529627] Measured 68812018716
cycles TSC warp between CPUs, turning off TSC clock.
Apr 29 23:31:16 midgard kernel: [18014366.529630] Marking TSC unstable
due to: check_tsc_sync_source failed.
Apr 29 23:31:16 midgard kernel: [18014366.529641] Time: hpet
clocksource has been installed.
Apr 29 23:31:16 midgard kernel: [18014366.530137] speedstep-centrino
with X86_SPEEDSTEP_CENTRINO_ACPI config is deprecated.
Apr 29 23:31:16 midgard kernel: [18014366.530139]  Use
X86_ACPI_CPUFREQ (acpi-cpufreq) instead.
Apr 29 23:31:16 midgard kernel: [18014366.530209] CPU1 is up
Apr 29 23:31:16 midgard kernel: [18014366.614003] Clocksource tsc
unstable (delta = 4125051653052 ns)
Apr 29 23:31:16 midgard kernel: [18014366.730352] ACPI: PCI Interrupt
0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
Apr 29 23:31:16 midgard kernel: [18014366.745126] ACPI: PCI Interrupt
0000:00:1b.0[A] -> GSI 22 (level, low) -> IRQ 22
Apr 29 23:31:16 midgard kernel: [18014366.894946] ACPI: PCI Interrupt
0000:00:1c.0[A] -> GSI 17 (level, low) -> IRQ 17
Apr 29 23:31:16 midgard kernel: [18014366.895025] ACPI: PCI Interrupt
0000:00:1c.1[B] -> GSI 16 (level, low) -> IRQ 16
Apr 29 23:31:16 midgard kernel: [18014366.895039] PCI: Enabling device
0000:00:1d.0 (0000 -> 0001)
Apr 29 23:31:16 midgard kernel: [18014366.895042] ACPI: PCI Interrupt
0000:00:1d.0[A] -> GSI 21 (level, low) -> IRQ 21
Apr 29 23:31:16 midgard kernel: [18014366.895104] usb usb1: root hub
lost power or was reset
Apr 29 23:31:16 midgard kernel: [18014366.895141] PCI: Enabling device
0000:00:1d.1 (0000 -> 0001)
Apr 29 23:31:16 midgard kernel: [18014366.895144] ACPI: PCI Interrupt
0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 19
Apr 29 23:31:16 midgard kernel: [18014366.895204] usb usb2: root hub
lost power or was reset
Apr 29 23:31:16 midgard kernel: [18014366.895237] PCI: Enabling device
0000:00:1d.2 (0000 -> 0001)
Apr 29 23:31:16 midgard kernel: [18014366.895240] ACPI: PCI Interrupt
0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 18
Apr 29 23:31:16 midgard kernel: [18014366.895299] usb usb3: root hub
lost power or was reset
Apr 29 23:31:16 midgard kernel: [18014366.895328] PCI: Enabling device
0000:00:1d.3 (0000 -> 0001)
Apr 29 23:31:16 midgard kernel: [18014366.895331] ACPI: PCI Interrupt
0000:00:1d.3[D] -> GSI 16 (level, low) -> IRQ 16
Apr 29 23:31:16 midgard kernel: [18014366.895391] usb usb4: root hub
lost power or was reset
Apr 29 23:31:16 midgard kernel: [18014366.909854] PCI: Enabling device
0000:00:1d.7 (0000 -> 0002)
Apr 29 23:31:16 midgard kernel: [18014366.909857] ACPI: PCI Interrupt
0000:00:1d.7[A] -> GSI 21 (level, low) -> IRQ 21
Apr 29 23:31:16 midgard kernel: [18014366.910032] ACPI: PCI Interrupt
0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 18
Apr 29 23:31:16 midgard kernel: [18014366.924871] ACPI: PCI Interrupt
0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 19
Apr 29 23:31:16 midgard kernel: [18014366.939965] sky2 eth0: enabling interface
Apr 29 23:31:16 midgard kernel: [18014366.941763] sky2 eth0: ram buffer 48K
Apr 29 23:31:16 midgard kernel: [18014367.006976] ohci1394: fw-host0:
OHCI-1394 1.0 (PCI): IRQ=[19]  MMIO=[90000000-900007ff]  Max
Packet=[2048]  IR/IT contexts=[8/8]
...
---

Thanks.
Dan Kruchinin.
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