topic jbd2_log_wait_commit hangs in P-Series https://community.nxp.com/t5/P-Series/jbd2-log-wait-commit-hangs/m-p/1005499#M4754 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-family: Arial;">powerpc linux 4.1.8-rt8 32bit p4080ds</SPAN></P><DIV></DIV><DIV><SPAN style="color: #202124; font-family: arial, sans-serif; ">After erasing and creating 15GB EXT4 fs&nbsp;(for nand flash), sync command occasionally hangs.</SPAN></DIV><DIV><SPAN style="font-family: arial, sans-serif;"><SPAN style="color: #202124;">found out it hangs inside:&nbsp;</SPAN>jbd2_log_wait_commit().</SPAN></DIV><DIV><SPAN style="font-family: arial, sans-serif;"><SPAN style="color: #202124;">I saw that many people&nbsp;</SPAN><SPAN style="color: #333333;">encountered this problem and didn't find solution.</SPAN></SPAN></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif; ">&nbsp;</SPAN></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif; ">&nbsp;</SPAN></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif; ">1. Is there any known fix for this hang?</SPAN></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif;">2.&nbsp; If not , is it safe to cancel journaling just for the ext4 fs and just for the sync during startup (rest of syncs will execute as usual)&nbsp;&nbsp;</SPAN></DIV><DIV></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif;">thanks</SPAN></DIV></BODY></HTML> Wed, 04 Dec 2019 13:03:31 GMT yoav_rubin2 2019-12-04T13:03:31Z jbd2_log_wait_commit hangs https://community.nxp.com/t5/P-Series/jbd2-log-wait-commit-hangs/m-p/1005499#M4754 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-family: Arial;">powerpc linux 4.1.8-rt8 32bit p4080ds</SPAN></P><DIV></DIV><DIV><SPAN style="color: #202124; font-family: arial, sans-serif; ">After erasing and creating 15GB EXT4 fs&nbsp;(for nand flash), sync command occasionally hangs.</SPAN></DIV><DIV><SPAN style="font-family: arial, sans-serif;"><SPAN style="color: #202124;">found out it hangs inside:&nbsp;</SPAN>jbd2_log_wait_commit().</SPAN></DIV><DIV><SPAN style="font-family: arial, sans-serif;"><SPAN style="color: #202124;">I saw that many people&nbsp;</SPAN><SPAN style="color: #333333;">encountered this problem and didn't find solution.</SPAN></SPAN></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif; ">&nbsp;</SPAN></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif; ">&nbsp;</SPAN></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif; ">1. Is there any known fix for this hang?</SPAN></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif;">2.&nbsp; If not , is it safe to cancel journaling just for the ext4 fs and just for the sync during startup (rest of syncs will execute as usual)&nbsp;&nbsp;</SPAN></DIV><DIV></DIV><DIV><SPAN style="color: #333333; font-family: arial, sans-serif;">thanks</SPAN></DIV></BODY></HTML> Wed, 04 Dec 2019 13:03:31 GMT https://community.nxp.com/t5/P-Series/jbd2-log-wait-commit-hangs/m-p/1005499#M4754 yoav_rubin2 2019-12-04T13:03:31Z Re: jbd2_log_wait_commit hangs https://community.nxp.com/t5/P-Series/jbd2-log-wait-commit-hangs/m-p/1005500#M4755 <HTML><HEAD></HEAD><BODY><P>Hello <A _jive_internal="true" class="" data-content-finding="Community" data-userid="348184" data-username="yoav.rubin2@elbitsystems.com" href="https://community.nxp.com/people/yoav.rubin2@elbitsystems.com">yoav rubin</A>,</P><P></P><P>Please refer to the fix of this problem</P><P></P><P><A class="link-titled" href="https://lists.debian.org/debian-kernel/2013/03/msg00311.html" title="https://lists.debian.org/debian-kernel/2013/03/msg00311.html">[PATCH] ext4/jbd2: don't wait (forever) for stale tid caused by wraparound</A>&nbsp;</P><P></P><P>Thanks,</P><P>Yiping</P></BODY></HTML> Fri, 06 Dec 2019 08:08:52 GMT https://community.nxp.com/t5/P-Series/jbd2-log-wait-commit-hangs/m-p/1005500#M4755 yipingwang 2019-12-06T08:08:52Z