d75996dd022b dax: dax_layout_busy_page() should not unmap cow pages
61c30c98ef17 dax: Fix missed wakeup in put_unlocked_entry()
** Changed in: intel
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1835350
Title:
Hang / zombie process from Xarray page-fault conversion
Status in intel:
Fix Committed
Status in linux package in Ubuntu:
Incomplete
Bug description:
Description:
We're seeing a case where RocksDB hangs and becomes defunct when
trying to kill the process. v4.19 succeeds and v4.20 fails. Robert was
able to bisect this to commit b15cd800682f "dax: Convert page fault
handlers to XArray".
Target Release: 19.10
Target Kernel: 5.3
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