On Thu, 2012-12-13 at 13:01 -0600, Tom Downes wrote: > Package: linux-2.6 > Version: 2.6.32-46 > Severity: important > > > While running a shell script that looped over a couple hundred > filesystems accessed via automoutning NFS > exports (unmounted prior to running the script), there was a kernel > panic that prevented further automounts > from occurring. The only solution to get automounting running again > was to reboot the system. For us, > automounting is important as it is the primary way of accessing user > home directories in a distributed > computing system. > > This problem seems very similar to bug #691764 filed under the autofs > package but I believe the bug is really > in the sunrpc module. > > I've found a patch described here, applied it to my system and have > not experienced a crash since. I only ever > experienced one crash, however, and unpatched systems are yet to > crash. So it's something of a rare feat and > this patch may simply ignore the BUG_ON forced kernel panic rather > than actually avoid a real, underlying > problem. I am not versed enough in kernel programming and this > particular system to know. [...]
This patch was applied in Linux 2.6.38 and it seems to be applicable to 2.6.32. So it should be included in the next Debian stable update (package version 2.6.32-47). Ben. -- Ben Hutchings Always try to do things in chronological order; it's less confusing that way.
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