On Fri Aug 18, 2023 at 1:25 AM EEST, Todd Brandt wrote: > On Fri, 2023-08-18 at 00:47 +0300, Jarkko Sakkinen wrote: > > On Fri Aug 18, 2023 at 12:09 AM EEST, Todd Brandt wrote: > > > While testing S3 on 6.5.0-rc6 we've found that 5 systems are seeing > > > a > > > crash and reboot situation when S3 suspend is initiated. To > > > reproduce > > > it, this call is all that's required "sudo sleepgraph -m mem > > > -rtcwake > > > 15". > > > > 1. Are there logs available? > > 2. Is this the test case: https://pypi.org/project/sleepgraph/ (never > > used it before). > > There are no dmesg logs because the S3 crash wipes them out. Sleepgraph > isn't actually necessary to activate it, just an S3 suspend "echo mem > > /sys/power/state". > > So far it appears to only have affected test systems, not production > hardware, and none of them have TPM chips, so I'm beginning to wonder > if this patch just inadvertently activated a bug somewhere else in the > kernel that happens to affect test hardware. > > I'll continue to debug it, this isn't an emergency as so far I haven't > seen it in production hardware. OK, I'll still see if I could reproduce it just in case. BR, Jarkko
