My problem seems similar. This error message on a desktop (Gigabyte GA-965P-DS4, Core 2 Duo E6300, Intel P965 chipset, 2GB RAM) after every resume: [15941.196028] usb 3-1: reset full speed USB device using uhci_hcd and address 2 [15941.612030] usb 7-1: reset low speed USB device using uhci_hcd and address 2 [15942.053372] PM: resume devices took 8.420 seconds [15942.053377] ------------[ cut here ]------------ [15942.053379] WARNING: at /build/buildd/linux-2.6.28/kernel/power/main.c:177 su spend_test_finish+0x80/0x90() [15942.053381] Component: resume devices [15942.053382] Modules linked in: nfs lockd nfs_acl sunrpc binfmt_misc bnep ipt_ MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_connt rack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp input_pol ldev video output lp snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dum my snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd _seq_device snd soundcore iTCO_wdt pcspkr serio_raw snd_page_alloc intel_agp ppd ev parport_pc parport iTCO_vendor_support heci nvidia(P) agpgart joydev usbhid o hci1394 ieee1394 usb_storage sky2 e1000e fbcon tileblit font bitblit softcursor [15942.053419] Pid: 18688, comm: pm-suspend Tainted: P 2.6.28-11-generic #42-Ubuntu [15942.053421] Call Trace: [15942.053425] [<c0139ab0>] warn_slowpath+0x60/0x80 [15942.053428] [<c01537fa>] ? down_trylock+0x2a/0x40 [15942.053432] [<c013a10d>] ? try_acquire_console_sem+0xd/0x30 [15942.053436] [<c02c7290>] ? kobject_put+0x20/0x50 [15942.053440] [<c0500ac6>] ? printk+0x18/0x1a [15942.053442] [<c0164fd0>] suspend_test_finish+0x80/0x90 [15942.053445] [<c01650a6>] suspend_devices_and_enter+0xc6/0x160 [15942.053448] [<c0500ac6>] ? printk+0x18/0x1a [15942.053451] [<c0165329>] enter_state+0xc9/0x100 [15942.053453] [<c01653dd>] state_store+0x7d/0xc0 [15942.053456] [<c0165360>] ? state_store+0x0/0xc0 [15942.053459] [<c02c7154>] kobj_attr_store+0x24/0x30 [15942.053462] [<c020ab02>] sysfs_write_file+0x92/0xf0 [15942.053465] [<c01bdab8>] vfs_write+0x98/0x110 [15942.053468] [<c020aa70>] ? sysfs_write_file+0x0/0xf0 [15942.053470] [<c01bdbed>] sys_write+0x3d/0x70 [15942.053473] [<c0103f6b>] sysenter_do_call+0x12/0x2f [15942.053476] [<c0500000>] ? relay_hotcpu_callback+0x6d/0xbd [15942.053478] ---[ end trace e7db2c56a62f495c ]---
followed by: [15960.000549] Corrupted low memory at c000e48c (e48c phys) = 00004000 [15960.000558] ------------[ cut here ]------------ [15960.000560] WARNING: at /build/buildd/linux-2.6.28/arch/x86/kernel/setup.c:719 check_for_bios_corruption+0xc8/0xd0() [15960.000562] Memory corruption detected in low memory [15960.000564] Modules linked in: nfs lockd nfs_acl sunrpc binfmt_misc bnep ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp input_polldev video output lp snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore iTCO_wdt pcspkr serio_raw snd_page_alloc intel_agp ppdev parport_pc parport iTCO_vendor_support heci nvidia(P) agpgart joydev usbhid ohci1394 ieee1394 usb_storage sky2 e1000e fbcon tileblit font bitblit softcursor [15960.000606] Pid: 4, comm: ksoftirqd/0 Tainted: P W 2.6.28-11-generic #42-Ubuntu [15960.000608] Call Trace: [15960.000613] [<c0139ab0>] warn_slowpath+0x60/0x80 [15960.000617] [<c01537fa>] ? down_trylock+0x2a/0x40 [15960.000621] [<c013a10d>] ? try_acquire_console_sem+0xd/0x30 [15960.000625] [<c0502c0e>] ? _spin_lock_irqsave+0x2e/0x40 [15960.000629] [<c0500ac6>] ? printk+0x18/0x1a [15960.000632] [<c01079c8>] check_for_bios_corruption+0xc8/0xd0 [15960.000636] [<c01079d8>] periodic_check_for_corruption+0x8/0x30 [15960.000639] [<c0143b00>] run_timer_softirq+0x130/0x200 [15960.000643] [<c01079d0>] ? periodic_check_for_corruption+0x0/0x30 [15960.000646] [<c012f9cb>] ? finish_task_switch+0x2b/0xe0 [15960.000650] [<c01079d0>] ? periodic_check_for_corruption+0x0/0x30 [15960.000654] [<c013f197>] __do_softirq+0x97/0x170 [15960.000657] [<c013f2cd>] do_softirq+0x5d/0x60 [15960.000660] [<c013f35a>] ksoftirqd+0x8a/0x120 [15960.000663] [<c013f2d0>] ? ksoftirqd+0x0/0x120 [15960.000667] [<c014e90c>] kthread+0x3c/0x70 [15960.000669] [<c014e8d0>] ? kthread+0x0/0x70 [15960.000673] [<c0105477>] kernel_thread_helper+0x7/0x10 [15960.000675] ---[ end trace e7db2c56a62f495c ]---
My problem seems similar. This error message on a desktop (Gigabyte GA-965P-DS4, Core 2 Duo E6300, Intel P965 chipset, 2GB RAM) after every resume: buildd/ linux-2. 6.28/kernel/ power/main. c:177 su finish+ 0x80/0x90( ) 0x60/0x80 0x2a/0x40 console_ sem+0xd/ 0x30 put+0x20/ 0x50 test_finish+ 0x80/0x90 devices_ and_enter+ 0xc6/0x160 0xc9/0x100 0x7d/0xc0 0x0/0xc0 store+0x24/ 0x30 file+0x92/ 0xf0 0x98/0x110 file+0x0/ 0xf0 do_call+ 0x12/0x2f callback+ 0x6d/0xbd
[15941.196028] usb 3-1: reset full speed USB device using uhci_hcd and address 2
[15941.612030] usb 7-1: reset low speed USB device using uhci_hcd and address 2
[15942.053372] PM: resume devices took 8.420 seconds
[15942.053377] ------------[ cut here ]------------
[15942.053379] WARNING: at /build/
spend_test_
[15942.053381] Component: resume devices
[15942.053382] Modules linked in: nfs lockd nfs_acl sunrpc binfmt_misc bnep ipt_
MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_connt
rack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp input_pol
ldev video output lp snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dum
my snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd
_seq_device snd soundcore iTCO_wdt pcspkr serio_raw snd_page_alloc intel_agp ppd
ev parport_pc parport iTCO_vendor_support heci nvidia(P) agpgart joydev usbhid o
hci1394 ieee1394 usb_storage sky2 e1000e fbcon tileblit font bitblit softcursor
[15942.053419] Pid: 18688, comm: pm-suspend Tainted: P 2.6.28-11-generic #42-Ubuntu
[15942.053421] Call Trace:
[15942.053425] [<c0139ab0>] warn_slowpath+
[15942.053428] [<c01537fa>] ? down_trylock+
[15942.053432] [<c013a10d>] ? try_acquire_
[15942.053436] [<c02c7290>] ? kobject_
[15942.053440] [<c0500ac6>] ? printk+0x18/0x1a
[15942.053442] [<c0164fd0>] suspend_
[15942.053445] [<c01650a6>] suspend_
[15942.053448] [<c0500ac6>] ? printk+0x18/0x1a
[15942.053451] [<c0165329>] enter_state+
[15942.053453] [<c01653dd>] state_store+
[15942.053456] [<c0165360>] ? state_store+
[15942.053459] [<c02c7154>] kobj_attr_
[15942.053462] [<c020ab02>] sysfs_write_
[15942.053465] [<c01bdab8>] vfs_write+
[15942.053468] [<c020aa70>] ? sysfs_write_
[15942.053470] [<c01bdbed>] sys_write+0x3d/0x70
[15942.053473] [<c0103f6b>] sysenter_
[15942.053476] [<c0500000>] ? relay_hotcpu_
[15942.053478] ---[ end trace e7db2c56a62f495c ]---
followed by: buildd/ linux-2. 6.28/arch/ x86/kernel/ setup.c: 719 check_for_ bios_corruption +0xc8/0xd0( ) 0x60/0x80 0x2a/0x40 console_ sem+0xd/ 0x30 irqsave+ 0x2e/0x40 bios_corruption +0xc8/0xd0 check_for_ corruption+ 0x8/0x30 softirq+ 0x130/0x200 check_for_ corruption+ 0x0/0x30 task_switch+ 0x2b/0xe0 check_for_ corruption+ 0x0/0x30 0x97/0x170 0x5d/0x60 0x8a/0x120 thread_ helper+ 0x7/0x10
[15960.000549] Corrupted low memory at c000e48c (e48c phys) = 00004000
[15960.000558] ------------[ cut here ]------------
[15960.000560] WARNING: at /build/
[15960.000562] Memory corruption detected in low memory
[15960.000564] Modules linked in: nfs lockd nfs_acl sunrpc binfmt_misc bnep ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp input_polldev video output lp snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore iTCO_wdt pcspkr serio_raw snd_page_alloc intel_agp ppdev parport_pc parport iTCO_vendor_support heci nvidia(P) agpgart joydev usbhid ohci1394 ieee1394 usb_storage sky2 e1000e fbcon tileblit font bitblit softcursor
[15960.000606] Pid: 4, comm: ksoftirqd/0 Tainted: P W 2.6.28-11-generic #42-Ubuntu
[15960.000608] Call Trace:
[15960.000613] [<c0139ab0>] warn_slowpath+
[15960.000617] [<c01537fa>] ? down_trylock+
[15960.000621] [<c013a10d>] ? try_acquire_
[15960.000625] [<c0502c0e>] ? _spin_lock_
[15960.000629] [<c0500ac6>] ? printk+0x18/0x1a
[15960.000632] [<c01079c8>] check_for_
[15960.000636] [<c01079d8>] periodic_
[15960.000639] [<c0143b00>] run_timer_
[15960.000643] [<c01079d0>] ? periodic_
[15960.000646] [<c012f9cb>] ? finish_
[15960.000650] [<c01079d0>] ? periodic_
[15960.000654] [<c013f197>] __do_softirq+
[15960.000657] [<c013f2cd>] do_softirq+
[15960.000660] [<c013f35a>] ksoftirqd+
[15960.000663] [<c013f2d0>] ? ksoftirqd+0x0/0x120
[15960.000667] [<c014e90c>] kthread+0x3c/0x70
[15960.000669] [<c014e8d0>] ? kthread+0x0/0x70
[15960.000673] [<c0105477>] kernel_
[15960.000675] ---[ end trace e7db2c56a62f495c ]---