[Bug 1080435] New: Unable to handle kernel paging request
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435 Bug ID: 1080435 Summary: Unable to handle kernel paging request Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.0 Hardware: armv7 OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: matwey.kornilov@gmail.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Hi, I see that kernel-obs-build-4.12.14-lp150.4.2 (aka as 4.12.14-lp150.4-lpae) suffers from issue with rpm 4.14 ans SyS_pread64. In OBS the following happens from time to time at all ARM workers building Leap 15.0: [ 654s] [ 619.550887] Unable to handle kernel paging request at virtual address 00d10624 [ 654s] [ 619.550923] pgd = c81706c0 [ 654s] [ 619.550927] [00d10624] *pgd=6ca20003, *pmd=00000000 [ 654s] [ 619.550940] Internal error: Oops: a06 [#1] PREEMPT SMP ARM [ 654s] [ 619.556948] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat virtio_rng virtio_blk virtio_mmio nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack xfs libcrc32c btrfs xor xor_neon zlib_deflate raid6_pq reiserfs squashfs fuse dm_snapshot dm_bufio dm_mod dax binfmt_misc loop sg [ 654s] [ 619.564302] CPU: 1 PID: 4520 Comm: rpm Not tainted 4.12.14-lp150.4-lpae #1 [ 654s] [ 619.566327] Hardware name: Generic DT based system [ 654s] [ 619.567755] task: ecf1a0c0 task.stack: ecfbc000 [ 654s] [ 619.569114] PC is at memcpy+0x50/0x330 [ 654s] [ 619.570249] LR is at 0x69647561 [ 654s] [ 619.571209] pc : [<c0822b30>] lr : [<69647561>] psr: 20000013 [ 654s] [ 619.571209] sp : ecfbdd8c ip : 62700700 fp : ecfbddd4 [ 654s] [ 619.574730] r10: 00d10624 r9 : ffeee000 r8 : 0fe60001 [ 654s] [ 619.576302] r7 : 000002d5 r6 : 000002d3 r5 : 000002d4 r4 : 00000001 [ 654s] [ 619.578230] r3 : 00000000 r2 : 0000093c r1 : ffeee020 r0 : 00d10624 [ 654s] [ 619.580158] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 654s] [ 619.582816] Control: 30c5383d Table: 481706c0 DAC: dbadc0de [ 654s] [ 619.584730] Process rpm (pid: 4520, stack limit = 0xecfbc210) [ 654s] [ 619.586727] Stack: (0xecfbdd8c to 0xecfbe000) [ 654s] [ 619.588264] dd80: 00000001 000009dc 00000624 ffffe000 00d10624 [ 654s] [ 619.591056] dda0: 00d10624 c0833968 ece63880 efb09608 00001000 ecfbdef8 00001000 ecfbdef0 [ 654s] [ 619.594349] ddc0: 00000000 ffeee000 ecfbdde4 ecfbddd8 c0833b60 c0833890 ecfbde24 ecfbdde8 [ 654s] [ 619.597032] dde0: c083c4c0 c0833b4c ecfbde24 ecfbddf8 ffeee000 efe53614 ecfbdeb4 ec4efcc4 [ 654s] [ 619.599702] de00: c80fed80 efe53614 000002d4 ec4efbd0 ecfbdef8 00001000 ecfbde94 ecfbde28 [ 654s] [ 619.602736] de20: c05b6620 c083c334 ebd9ba08 beb1e8a0 014000c0 00080001 ecfbdf18 00000000 [ 654s] [ 619.605479] de40: 000002d3 00000000 000002d5 c80fede8 006e9fff 00000000 00000000 00000000 [ 654s] [ 619.608268] de60: ffffe000 00000000 beb1e8a0 00000000 00001000 ecfbdef8 c80fed80 ecfbdf80 [ 654s] [ 619.611032] de80: 00000000 ecfbdf10 ecfbded4 ecfbde98 c05b6d58 c05b640c c10a764c c80fed88 [ 654s] [ 619.614166] dea0: 00020000 00000000 00020000 00000000 c80fed80 ecfbdf80 00d10624 ecfbdf80 [ 654s] [ 619.616848] dec0: 00000000 00000000 ecfbdee4 ecfbded8 c06dd35c c05b6c34 ecfbdf4c ecfbdee8 [ 654s] [ 619.619537] dee0: c063c458 c06dd324 00001000 c0686f78 00d10624 00001000 00000000 00000000 [ 654s] [ 619.622558] df00: 00001000 ecfbdef0 00000001 ecfbdf18 c80fed80 00000000 002d4000 00000000 [ 654s] [ 619.625392] df20: 00000000 00000000 00000000 00000000 ffffe000 00001000 c80fed80 00d10624 [ 654s] [ 619.628118] df40: ecfbdf7c ecfbdf50 c063db2c c063c380 00000000 00000000 c80fed80 c80fed80 [ 654s] [ 619.630903] df60: 00d10624 00001000 c04360e8 ecfbc000 ecfbdfa4 ecfbdf80 c063f000 c063da9c [ 654s] [ 619.633673] df80: 002d4000 00000000 002d4000 00000000 00000001 000000b4 00000000 ecfbdfa8 [ 654s] [ 619.634741] dfa0: c0435f20 c063ef88 002d4000 00000000 00000003 00d10624 00001000 00000000 [ 654s] [ 619.635809] dfc0: 002d4000 00000000 00000001 000000b4 000002d4 00001000 002d4000 b6f48d78 [ 654s] [ 619.636868] dfe0: b6f4722c beb1e618 b6efced8 b6cefbe8 60000010 00000003 00000000 00000000 [ 654s] [ 619.637948] [<c0822b30>] (memcpy) from [<c0833968>] (__copy_to_user_memcpy+0xe4/0x18c) [ 654s] [ 619.638981] [<c0833968>] (__copy_to_user_memcpy) from [<c0833b60>] (arm_copy_to_user+0x20/0x34) [ 654s] [ 619.640108] [<c0833b60>] (arm_copy_to_user) from [<c083c4c0>] (copy_page_to_iter+0x198/0x414) [ 654s] [ 619.641216] [<c083c4c0>] (copy_page_to_iter) from [<c05b6620>] (do_generic_file_read+0x220/0x828) [ 654s] [ 619.642706] [<c05b6620>] (do_generic_file_read) from [<c05b6d58>] (generic_file_read_iter+0x130/0x184) [ 654s] [ 619.643985] [<c05b6d58>] (generic_file_read_iter) from [<c06dd35c>] (ext4_file_read_iter+0x44/0x58) [ 654s] [ 619.645233] [<c06dd35c>] (ext4_file_read_iter) from [<c063c458>] (__vfs_read+0xe4/0x130) [ 654s] [ 619.646367] [<c063c458>] (__vfs_read) from [<c063db2c>] (vfs_read+0x9c/0x164) [ 654s] [ 619.647361] [<c063db2c>] (vfs_read) from [<c063f000>] (SyS_pread64+0x84/0x9c) [ 654s] [ 619.648367] [<c063f000>] (SyS_pread64) from [<c0435f20>] (ret_fast_syscall+0x0/0x34) [ 654s] [ 619.649447] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 654s] [ 619.650505] ---[ end trace 12870f725cc935c7 ]--- Then "BUG: soft lockup" follows. Unfortunately, I cannot reproduce this manually yet. -- You are receiving this mail because: You are on the CC list for the bug.
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435#c3
--- Comment #3 from Matwey Kornilov
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435
Alexander Graf
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435#c4
--- Comment #4 from Guillaume GARDET
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435#c5
--- Comment #5 from Alexander Graf
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435#c6
--- Comment #6 from Matwey Kornilov
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435
http://bugzilla.opensuse.org/show_bug.cgi?id=1080435#c8
--- Comment #8 from Matwey Kornilov
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