on 04/02/2013 21:11 Adrian Chadd said the following: > On 30 January 2013 13:03, Andriy Gapon <[email protected]> wrote: >> on 28/01/2013 16:30 Andriy Gapon said the following: >>> is there any reasonable explanation for getting an NMI while trying to read >>> acpi >>> timer register? >>> Note: this happens only after ACPI suspend/resume. >> >> An update. >> This happens only with clang compiled kernel, gcc compiled kernel is OK. >> Also, this happens only in the depth of fwohci driver (where it calls DELAY). >> If firewire is not loaded, then there is no problem. >> >> I suspect that perhaps there is some miscompilation that results in some >> incorrect I/O access that later leads to NMI. Too many unknowns and guesses >> here, obviously. > > Do you have stack traces showing where it's happening? > > Posting that and the disassembly from those areas may shed a clue.
The information should be available from a user who got this issue. Are you willing to take a look? I'll connect you. -- Andriy Gapon _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
