Messages in this thread | | | Date | Mon, 10 Oct 2011 13:23:18 -0300 | From | Rajiv Andrade <> | Subject | Re: Linux 3.1-rc9 |
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On 09/10/11 23:29, Stefan Berger wrote: > On 10/09/2011 04:51 PM, Arkadiusz Miśkiewicz wrote: >> On Wednesday 05 of October 2011, Linus Torvalds wrote: >>> Another week, another -rc. >> suspend to ram regression is annoying (still visible on rc9; >> https://lkml.org/lkml/2011/9/24/76) but unfortunately maintainers are >> silent. >> > I tried -rc9 on my Lenovo W500 with that same TPM. I cannot reproduce > the 'scheduling while atomic' problem you had reported earlier. I also > could suspend / resume fine as long as I did the following: > > - suspended with the tpm_tis driver as module in the kernel > - once a suspend was done without the tpm_tis driver the subsequent > suspends were all done without the tpm_tis driver > > Once I had done a suspend/resume with the tpm_tis driver *not* in the > kernel and then again a suspend with the tpm_tis driver in the kernel, > it did not resume anymore. I believe previously (previous version of > kernel and/or Fedora) it refused to even suspend. The reason why this > doesn't work properly is that the driver has to send a command to the > TPM upon suspend and the BIOS then sends the corresponding wakeup > command. > > Did you maybe previously suspend/resume without a tpm_tis driver and > then try to suspend with it ? > > Also, my Lenovo W500 shows particularly odd behavior when I switch > from Windows to Linux. The first suspend with a Linux booted after > Windows (with or without tpm_tis driver) does *not* resume (reboot > required). A subsequently rebooted Linux makes the suspend/resume work > fine. > > Stefan > Arkadiusz,
Do you still see the issue with this patch [1][2] applied?
[1] - http://marc.info/?l=linux-kernel&m=131824905826280&w=2 [2] - github.com/srajiv/tpm.git for-james
Thanks, Rajiv
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