Bug#623514: pm-utils: fails to hibernate on Lenovo T500
Denis Laxalde wrote:
> Then
> the machine halted or rebooted (depending on the mode) normally but I'm
> not sure what was supposed to happen here. (I mean, I did not expect to
> get back to the init shell I was on, since I left the grub cmd line
> untouched upon restart...)
It was supposed to get back to the init shell (at least, it does so for
me). Alas.
Looking back at the messages you see on the console:
legacy_resume(): pnp_bus_resume+0x0/0x65 returns -19
PM: Device 00:0a failed to thaw: error -19
In the dmesg you sent, we can see which device that is:
tpm_tis 00:0a: 1.2 TPM (device-id 0x1020, rev-id 6)
tpm_tis 00:0a: Intel iTPM workaround enabled
Unloading the tpm_tis and tpm modules before hibernating might be
worth a try. There have also been some suspend-to-ram related tpm
fixes upstream recently, meaning a test of v3.1-rc1 or later has a
chance of fixing this (though I don't find it likely).
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