https://bugzilla.kernel.org/show_bug.cgi?id=43292 --- Comment #16 from Jan Kara <jack@xxxxxxx> 2012-06-01 16:26:59 --- Grumble, it's the same, just for a different allocation group: 253,2 0 6514 25.375884394 744 Q R 707526656 + 8 [nfsd] 9,0 0 5451 25.375887257 744 A R 749576576 + 8 <- (253,2) 707526 656 9,0 0 5452 25.375888584 744 Q R 749576576 + 8 [nfsd] 8,16 0 17311 25.375891308 744 A R 749576639 + 8 <- (8,17) 7495765 76 8,16 0 17312 25.375892077 744 Q R 749576639 + 8 [nfsd] 8,16 0 17313 25.375894381 744 G R 749576639 + 8 [nfsd] 8,16 0 17314 25.375895918 744 P N [nfsd] 8,16 0 17315 25.375898572 744 I R 749576639 + 8 [nfsd] 8,16 0 17316 25.375900038 744 U N [nfsd] 1 8,16 0 17317 25.375901715 744 D R 749576639 + 8 [nfsd] Let's try the following: for (( i = 0; i < 25293; i++ )); do dd if=/dev/dm-2 of=/dev/null bs=4k count=1 skip=$(($i*32768)) done Again run it before and after the hang. If it finishes even after the hang, check whether nfsd is still hung. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
