From: Petr Vorel <pvorel@suse.cz> To: ltp@lists.linux.it Cc: Petr Vorel <pvorel@suse.cz>, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Minchan Kim <minchan@kernel.org>, Nitin Gupta <ngupta@vflare.org>, Sergey Senozhatsky <senozhatsky@chromium.org>, Jens Axboe <axboe@kernel.dk>, OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>, Martin Doucha <mdoucha@suse.cz>, Yang Xu <xuyang2018.jy@fujitsu.com> Subject: [PATCH 0/1] Possible bug in zram on ppc64le on vfat Date: Mon, 7 Nov 2022 20:11:35 +0100 [thread overview] Message-ID: <20221107191136.18048-1-pvorel@suse.cz> (raw) Hi all, following bug is trying to workaround an error on ppc64le, where zram01.sh LTP test (there is also kernel selftest tools/testing/selftests/zram/zram01.sh, but LTP test got further updates) has often mem_used_total 0 although zram is already filled. Patch tries to repeatedly read /sys/block/zram*/mm_stat for 1 sec, waiting for mem_used_total > 0. The question if this is expected and should be workarounded or a bug which should be fixed. REPRODUCE THE ISSUE Quickest way to install only zram tests and their dependencies: make autotools && ./configure && for i in testcases/lib/ testcases/kernel/device-drivers/zram/; do cd $i && make -j$(getconf _NPROCESSORS_ONLN) && make install && cd -; done Run the test (only on vfat) PATH="/opt/ltp/testcases/bin:$PATH" LTP_SINGLE_FS_TYPE=vfat zram01.sh Petr Vorel (1): zram01.sh: Workaround division by 0 on vfat on ppc64le .../kernel/device-drivers/zram/zram01.sh | 27 +++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) -- 2.38.0
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From: Petr Vorel <pvorel@suse.cz> To: ltp@lists.linux.it Cc: Jens Axboe <axboe@kernel.dk>, Minchan Kim <minchan@kernel.org>, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>, linux-kselftest@vger.kernel.org, Sergey Senozhatsky <senozhatsky@chromium.org>, Nitin Gupta <ngupta@vflare.org> Subject: [LTP] [PATCH 0/1] Possible bug in zram on ppc64le on vfat Date: Mon, 7 Nov 2022 20:11:35 +0100 [thread overview] Message-ID: <20221107191136.18048-1-pvorel@suse.cz> (raw) Hi all, following bug is trying to workaround an error on ppc64le, where zram01.sh LTP test (there is also kernel selftest tools/testing/selftests/zram/zram01.sh, but LTP test got further updates) has often mem_used_total 0 although zram is already filled. Patch tries to repeatedly read /sys/block/zram*/mm_stat for 1 sec, waiting for mem_used_total > 0. The question if this is expected and should be workarounded or a bug which should be fixed. REPRODUCE THE ISSUE Quickest way to install only zram tests and their dependencies: make autotools && ./configure && for i in testcases/lib/ testcases/kernel/device-drivers/zram/; do cd $i && make -j$(getconf _NPROCESSORS_ONLN) && make install && cd -; done Run the test (only on vfat) PATH="/opt/ltp/testcases/bin:$PATH" LTP_SINGLE_FS_TYPE=vfat zram01.sh Petr Vorel (1): zram01.sh: Workaround division by 0 on vfat on ppc64le .../kernel/device-drivers/zram/zram01.sh | 27 +++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) -- 2.38.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp
next reply other threads:[~2022-11-07 19:12 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-07 19:11 Petr Vorel [this message] 2022-11-07 19:11 ` [LTP] [PATCH 0/1] Possible bug in zram on ppc64le on vfat Petr Vorel 2022-11-07 19:11 ` [PATCH 1/1] zram01.sh: Workaround division by 0 on vfat on ppc64le Petr Vorel 2022-11-07 19:11 ` [LTP] " Petr Vorel 2022-11-21 7:14 ` Li Wang 2022-11-21 8:59 ` Petr Vorel 2022-11-21 8:59 ` Petr Vorel 2023-09-18 9:38 ` Richard Palethorpe 2022-11-07 21:25 ` [PATCH 0/1] Possible bug in zram on ppc64le on vfat Minchan Kim 2022-11-07 21:25 ` [LTP] " Minchan Kim 2022-11-07 21:47 ` Petr Vorel 2022-11-07 21:47 ` [LTP] " Petr Vorel 2022-11-07 22:42 ` Petr Vorel 2022-11-07 22:42 ` [LTP] " Petr Vorel 2022-11-08 1:05 ` Sergey Senozhatsky 2022-11-08 1:05 ` [LTP] " Sergey Senozhatsky 2022-11-09 22:08 ` Petr Vorel 2022-11-09 22:08 ` [LTP] " Petr Vorel 2022-11-10 23:04 ` Minchan Kim 2022-11-10 23:04 ` [LTP] " Minchan Kim 2022-11-11 9:29 ` Petr Vorel 2022-11-11 9:29 ` [LTP] " Petr Vorel 2022-11-10 14:29 ` Martin Doucha 2022-11-10 14:29 ` [LTP] " Martin Doucha 2022-11-11 0:48 ` Sergey Senozhatsky 2022-11-11 0:48 ` [LTP] " Sergey Senozhatsky 2022-11-21 9:41 ` Petr Vorel 2022-11-21 9:41 ` [LTP] " Petr Vorel 2022-11-22 14:56 ` Martin Doucha 2022-11-22 14:56 ` Martin Doucha 2022-11-22 15:07 ` Petr Vorel 2022-11-22 15:07 ` [LTP] " Petr Vorel 2022-11-29 4:38 ` Sergey Senozhatsky 2022-11-29 4:38 ` [LTP] " Sergey Senozhatsky 2023-05-02 15:23 ` Martin Doucha 2023-05-02 15:23 ` [LTP] " Martin Doucha 2022-11-11 9:18 ` Petr Vorel 2022-11-11 9:18 ` [LTP] " Petr Vorel 2023-08-04 6:37 ` Ian Wienand 2023-08-04 6:37 ` Ian Wienand 2023-08-07 4:44 ` Ian Wienand 2023-08-07 4:44 ` [LTP] " Ian Wienand 2023-08-07 5:19 ` Sergey Senozhatsky 2023-08-07 5:19 ` [LTP] " Sergey Senozhatsky
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