Red Hat Bugzilla – Bug 973886
Thinkpad T420s fails to suspend to RAM
Last modified: 2013-07-31 22:28:37 EDT
Description of problem:
Thinkpad T420s fails to suspend to RAM. Here's an excerpt from /var/log/messages with the error and a few surrounding messages:
###### Normal suspend
Jun 12 20:28:52 peter kernel: [95894.432755] sd 0:0:0:0: [sda] Synchronizing SCSI cache
Jun 12 20:28:52 peter kernel: [95894.433193] sd 0:0:0:0: [sda] Stopping disk
###### Trouble starts
Jun 12 20:28:52 peter kernel: [95894.485469] xhci_hcd 0000:0d:00.0: WARN: xHC CMD_RUN timeout
Jun 12 20:28:52 peter kernel: [95894.485475] suspend_common(): xhci_pci_suspend+0x0/0x20 returns -110
Jun 12 20:28:52 peter kernel: [95894.485477] pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -110
Jun 12 20:28:52 peter kernel: [95894.485479] dpm_run_callback(): pci_pm_suspend+0x0/0x140 returns -110
Jun 12 20:28:52 peter kernel: [95894.485481] PM: Device 0000:0d:00.0 failed to suspend async: error -110
Jun 12 20:28:52 peter kernel: [95894.686332] PM: Some devices failed to suspend
###### Computer resumes
Jun 12 20:28:52 peter kernel: [95894.686519] sd 0:0:0:0: [sda] Starting disk
Jun 12 20:28:52 peter kernel: [95894.991393] ata5: SATA link down (SStatus 0 SControl 300)
This did not happen with kernel 3.8.12-100.fc17.x86_64 which was the last kernel I had before updating to
Version-Release number of selected component (if applicable):
Seems to happen regularly. After restart, system suspend normally a few times (somewhere between 2 and 5 times but I haven't counted), then fails to suspend.
Steps to Reproduce:
1. (Re-)start computer
2. Suspend and resume a few times
3. Suspend fails
Suspend to RAM fails
Computer suspend to RAM
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