cvs commit: src/sys/kern vfs_subr.c

[Peter Wemm]

On Friday 20 August 2004 12:21 pm, Don Lewis wrote:
>   Modified files:
>     sys/kern             vfs_subr.c
>   Log:
>   Don't attempt to trigger the syncer thread final sync code in the
>   shutdown_pre_sync state if the RB_NOSYNC flag is set.  This is the
>   likely cause of hangs after a system panic that are keeping crash
>   dumps from being done.

The hang that I saw was because interrupts are broken (they just stop 
for no apparent reason) and the ata_shutdown sync hooks are not in 
polled mode (which is correct - interrupts are supposed to be enabled 
at this point, and are for normal shutdowns). 
-- 
Peter Wemm - peter at wemm.org; peter at FreeBSD.org; peter at yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5