Kent Yoder wrote on 2012-10-06: > On Fri, Oct 05, 2012 at 11:16:06AM -0700, Eric W. Biederman wrote: >> Ben Guthro <b...@guthro.net> writes: >> >>> I am seeing a regression in today's (Oct 5) kernel - 2 WARNINGS, and a >>> BUG below that seems to occur upon resuming from S3. >>> >>> I can start a bisection with 3.6 - but wanted to check to see if >>> anyone else is also experiencing this failure... >> >> I took a quick look and this is a deterministic failure. The same >> file is being added to sysfs twice. >> >> Since the routine causing this failure appears to be sys_add_ppi I >> expect the commit that added this failure mode is the commit below. >> >> Xiaoyan Zhang, Kent Yoder can you guys look at this see why the tpm >> code is adding itself multiple times into sysfs? > > It looks like the ppi sysfs teardown code is MIA. Xiaoyan, can you add > it to tpm_ppi.c, with a caller in tpm_unregister_hardware?
I will try to provide a fix. Jimmy
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