Comment 5 for bug 350609

actually this is not a false positive

according to TJ's data analysis when the resume takes more than 12seconds is symptom of something else.

In this case tha SATA devices seem to have triggering the problem.

4.582566] serial 00:02: activated
[ 9104.583847] parport_pc 00:03: activated
[ 9104.583975] sd 0:0:0:0: [sda] Starting disk
[ 9113.752007] ata2: softreset failed (device not ready)
[ 9113.752013] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 9113.752021] ata1: softreset failed (device not ready)
[ 9113.752026] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 9118.748009] ata2.00: qc timeout (cmd 0xec)
[ 9118.748014] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 9118.748015] ata2.00: revalidation failed (errno=-5)
[ 9118.748023] ata1.00: qc timeout (cmd 0xec)
[ 9118.748027] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 9118.748028] ata1.00: revalidation failed (errno=-5)
[ 9119.232011] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 9119.232021] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 9119.237000] ata1.00: configured for UDMA/133
[ 9119.240820] ata2.00: configured for UDMA/133
[ 9119.252058] sd 0:0:0:0: [sda] 293046768 512-byte hardware sectors: (150 GB/139 GiB)
[ 9119.252077] sd 0:0:0:0: [sda] Write Protect is off
[ 9119.252079] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 9119.252102] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 9119.256033] sd 1:0:0:0: [sdb] 488397168 512-byte hardware sectors: (250 GB/232 GiB)
[ 9119.256046] sd 1:0:0:0: [sdb] Write Protect is off
[ 9119.256048] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 9119.256070] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 9119.265230] sd 1:0:0:0: [sdb] Starting disk
[ 9119.856015] usb 2-2: reset low speed USB device using uhci_hcd and address 2
[ 9120.166352] PM: resume devices took 16.888 seconds
[ 9120.166359] ------------[ cut here ]------------
[ 9120.166361] WARNING: at /build/buildd/linux-2.6.28/kernel/power/main.c:177 suspend_test_finish+0x7c/0x80()
[ 9120.166362] Component: resume devices
[ 9120.166363] Modules linked in: openafs(P) binfmt_misc radeon drm bridge stp bnep video output input_polldev lp snd_pcm_oss snd_hda_intel snd_mixer_oss arc4 ecb snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi ath5k snd_seq_midi_event snd_seq mac80211 snd_timer snd_seq_device psmouse iTCO_wdt iTCO_vendor_support snd tpm_infineon led_class ppdev parport_pc i5000_edac tpm soundcore serio_raw pcspkr edac_core tpm_bios snd_page_alloc cfg80211 shpchp parport usbhid ohci1394 ieee1394 e1000e raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear fbcon tileblit font bitblit softcursor
[ 9120.166398] Pid: 28270, comm: pm-suspend Tainted: P W 2.6.28-11-generic #38-Ubuntu
[ 9120.166399] Call Trace:
[ 9120.166405] [<ffffffff80250927>] warn_slowpath+0xb7/0xf0