Hi Zorro, On Tue, Apr 05, 2022 at 04:44:35AM +0000, bugzilla-daemon@xxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=215804 > > Bug ID: 215804 > Summary: [xfstests generic/670] Unable to handle kernel paging > request at virtual address fffffbffff000008 > Product: File System > Version: 2.5 > Kernel Version: xfs-5.18-merge-4 > Hardware: All > OS: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: XFS > Assignee: filesystem_xfs@xxxxxxxxxxxxxxxxxxxxxx > Reporter: zlang@xxxxxxxxxx > Regression: No > > xfstests generic/670 hit a panic[1] on 64k directory block size XFS (mkfs.xfs > -n size=65536 -m rmapbt=1 -b size=1024): ..... > [37285.246770] Call trace: > [37285.246952] __split_huge_pmd+0x1d8/0x34c > [37285.247246] split_huge_pmd_address+0x10c/0x1a0 > [37285.247577] try_to_unmap_one+0xb64/0x125c > [37285.247878] rmap_walk_file+0x1dc/0x4b0 > [37285.248159] try_to_unmap+0x134/0x16c > [37285.248427] split_huge_page_to_list+0x5ec/0xcbc > [37285.248763] truncate_inode_partial_folio+0x194/0x2ec > [37285.249128] truncate_inode_pages_range+0x2e8/0x870 > [37285.249483] truncate_pagecache_range+0xa0/0xc0 That doesn't look like an XFS regression, more likely a bug in the new large folios in the page cache feature. Can you revert commit 6795801366da ("xfs: Support large folios") and see if the problem goes away? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
