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William Lee Irwin III wrote: >Looks like either namespace->sem or sb->s_umount; you should be able >to put some instrumentation code in down_write() and/or down_read() to >see who acquired it first by checking to see if the sem acquired belongs >to rootfs' sb or some namespace (doubtful you'll create many of them). > > > > Found it. It was a stupid mistake. I made the get_sb function return the same superblock when it was still get_sb_nodev. When I switched it to the proper get_sb_single I forgot to remove the code that returned the old sb so it wasn't calling get_sb_single to increase the sb's usage count. Doh! John - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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