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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" On (22/11/07 23:42), Petr Vorel wrote: [..] > 15859712 0 0 26214400 196608 242 0 > zram01 7 TINFO: /sys/block/zram1/mm_stat > 15859712 0 0 26214400 196608 242 0 > zram01 7 TINFO: /sys/block/zram1/mm_stat > 15859712 0 0 26214400 196608 242 0 > zram01 7 TINFO: /sys/block/zram1/mm_stat > 15859712 0 0 26214400 196608 242 0 > zram01 7 TINFO: /sys/block/zram1/mm_stat > 15859712 0 0 26214400 196608 242 0 > zram01 7 TINFO: /sys/block/zram1/mm_stat > 15859712 0 0 26214400 196608 242 0 > zram01 7 TINFO: /sys/block/zram1/mm_stat > 15859712 0 0 26214400 196608 242 0 > zram01 7 TBROK: "loop_read_mem_used_total /sys/block/zram1/mm_stat" timed out Looking at mm_stat_show(), mem_used can be 0 when mm_stat_show() is called on un-initialized device --- ... u64 orig_size, mem_used = 0; long max_used; ssize_t ret; memset(&pool_stats, 0x00, sizeof(struct zs_pool_stats)); down_read(&zram->init_lock); if (init_done(zram)) { mem_used = zs_get_total_pages(zram->mem_pool); zs_pool_stats(zram->mem_pool, &pool_stats); } ... --- Can you check if init_done() returns true in your tests? -- Mailing list info: https://lists.linux.it/listinfo/ltp