So I bisected this down to: # first bad commit: [a3fbfae82b4cb3ff9928e29f34c64d0507cad874] tpm: take TPM chip power gating out of tpm_transmit() but this doesn't revert cleanly on Linus' HEAD. Anyone have an idea what could be wrong here? Thanks, -- Paul On Mon, Mar 18, 2019 at 6:08 PM Paul Zimmerman <pauldzim@xxxxxxxxx> wrote: > > Hmm, looks like my original email didn't make it to the linux-integrity > list, maybe the two attachments were too big. You can read it on the > linux-kernel list here: > https://marc.info/?l=linux-kernel&m=155294522323580 > > On Mon, Mar 18, 2019 at 2:39 PM Paul Zimmerman <pauldzim@xxxxxxxxx> wrote: > > > > Hello, > > > > I'm seeing suspend-to-ram fail consistently in 5.1-rc1. Dmesg shows a > > failure in the TPM subsystem. This is on an HP Elitebook 640 G1 running > > Linux Mint. > > > > [ 43.110604] wlo1: deauthenticating from 58:8b:f3:44:8f:5c by local choice (Reason: 3=DEAUTH_LEAVING) > > [ 53.179672] PM: suspend entry (deep) > > [ 53.179674] PM: Syncing filesystems ... done. > > [ 53.190349] Freezing user space processes ... (elapsed 0.001 seconds) done. > > [ 53.192107] OOM killer disabled. > > [ 53.192107] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. > > [ 53.193147] printk: Suspending console(s) (use no_console_suspend to debug) > > [ 53.209184] sd 2:0:0:0: [sdb] Synchronizing SCSI cache > > [ 53.213137] sd 0:0:0:0: [sda] Synchronizing SCSI cache > > [ 53.214632] sd 0:0:0:0: [sda] Stopping disk > > [ 53.241598] tpm tpm0: tpm_try_transmit: send(): error -5 > > [ 53.241600] tpm tpm0: Error (-5) sending savestate before suspend > > [ 53.241606] PM: __pnp_bus_suspend(): tpm_pm_suspend+0x0/0x90 returns -5 > > [ 53.241609] PM: dpm_run_callback(): pnp_bus_suspend+0x0/0x20 returns -5 > > [ 53.241610] PM: Device 00:06 failed to suspend: error -5 > > > > Full dmesg and config attached. Anything I can do to help debug this? > > It takes about 45 minutes to do a full kernel rebuild on this machine, > > so doing a full bisection would be a little painful. > > > > -- Paul
