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Message-ID: <CAH4oapf7YiK=fFYBU_rF+ZeQtn_cBzrh7O628CMOVhaM=tbfpg@mail.gmail.com> Date: Thu, 26 Feb 2015 21:08:50 +0100 From: Pavol Cupka <pavol.cupka@...il.com> To: Vlastimil Babka <vbabka@...e.cz> Cc: linux-kernel@...r.kernel.org, "linux-mm@...ck.org" <linux-mm@...ck.org> Subject: Re: 3.19.0 / kswap0 bug Thank you for your reply, I am going to try vanilla sources and let you know. It is going to take some time thou, because I don't have to dd another drive for a little while :) Cheers Pavol On Thu, Feb 26, 2015 at 3:23 PM, Vlastimil Babka <vbabka@...e.cz> wrote: > On 02/21/2015 05:16 PM, Pavol Cupka wrote: >> Hi list, >> >> I am encountering a bug on my desktop PC. Running gentoo-sources >> (patches for gentoo) 3.19.0, gcc 4.8.4, glibc 2.19 > > Although there don't seem to be many gentoo patches on top, you should try > reproducing this with vanilla 3.19 kernel first. > >> MB: GA-MA785GT-UD3H >> CPU: AMD Phenom(tm) II X4 965 Processor >> RAM: 2x DIMM 1333 MHz 2GB >> SATA controller: SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] >> HDD: 3x HGST 4TB disks >> SSD: Intel SSD SSDSC2CT060A3 fw: i300 >> swap on first two hdd 1,5 GB in size >> /dev/sda2 partition 1571836 85824 -1 >> /dev/sdb2 partition 1571836 0 -2 >> >> this is what I've got after running dd if=/dev/urandom of=/dev/sdd1 bs=512 >> the computer was not doing other things, there is a glances instance >> running in tmux and the dd is also running in the same tmux session. > > Is it easily reproducible? Is there a last known-working kernel version? If yes, > bisect could be an option. > >> [13397.986449] BUG: Bad page state in process kswapd0 pfn:104b06 >> [13397.986462] page:ffffea000412c180 count:0 mapcount:-1 mapping: >> (null) index:0x45fc53 >> [13397.986493] flags: 0x200000000000008(uptodate) >> [13397.986513] page dumped because: nonzero mapcount > > Mapcount underflow, hm, I don't recall a similar report to this. > >> [13397.986517] Modules linked in: xfs libcrc32c exportfs firewire_ohci >> kvm firewire_core k10temp crc_itu_t >> [13397.986537] CPU: 2 PID: 664 Comm: kswapd0 Not tainted 3.19.0-gentoo-suc #1 >> [13397.986543] Hardware name: Gigabyte Technology Co., Ltd. >> GA-MA785GT-UD3H/GA-MA785GT-UD3H, BIOS F8 05/25/2010 >> [13397.986547] ffffffff81c27a04 ffff88013a603938 ffffffff819da02a >> 0000000000000092 >> [13397.986555] ffffea000412c180 ffff88013a603968 ffffffff819d640f >> ffffea000412c1c0 >> [13397.986561] ffffea000412c180 0000000000000000 ffffffff81c27a26 >> ffff88013a6039b8 >> [13397.986568] Call Trace: >> [13397.986582] [<ffffffff819da02a>] dump_stack+0x45/0x57 >> [13397.986592] [<ffffffff819d640f>] bad_page+0xdb/0xf9 >> [13397.986600] [<ffffffff8110d52f>] free_pages_prepare+0xff/0x160 >> [13397.986607] [<ffffffff8110f670>] free_hot_cold_page+0x30/0x130 >> [13397.986614] [<ffffffff8110f7bb>] free_hot_cold_page_list+0x4b/0xa0 >> [13397.986623] [<ffffffff8111a547>] shrink_page_list+0x507/0xa90 >> [13397.986632] [<ffffffff8111b04d>] shrink_inactive_list+0x18d/0x4f0 >> [13397.986640] [<ffffffff8111bd25>] shrink_lruvec+0x5d5/0x7c0 >> [13397.986648] [<ffffffff8111bfa7>] shrink_zone+0x97/0x240 >> [13397.986656] [<ffffffff8111d0c9>] kswapd+0x509/0x9d0 >> [13397.986666] [<ffffffff8111cbc0>] ? mem_cgroup_shrink_node_zone+0x140/0x140 >> [13397.986673] [<ffffffff81065ee4>] kthread+0xc4/0xe0 >> [13397.986680] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [13397.986688] [<ffffffff819e382c>] ret_from_fork+0x7c/0xb0 >> [13397.986695] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [13397.986700] Disabling lock debugging due to kernel taint >> [17030.761818] BUG: Bad page state in process kswapd0 pfn:6cd0e >> [17030.761831] page:ffffea0001b34380 count:0 mapcount:-1 mapping: >> (null) index:0x17265b3 >> [17030.761861] flags: 0x100000000000008(uptodate) >> [17030.761881] page dumped because: nonzero mapcount >> [17030.761884] Modules linked in: xfs libcrc32c exportfs firewire_ohci >> kvm firewire_core k10temp crc_itu_t >> [17030.761905] CPU: 3 PID: 664 Comm: kswapd0 Tainted: G B >> 3.19.0-gentoo-suc #1 >> [17030.761910] Hardware name: Gigabyte Technology Co., Ltd. >> GA-MA785GT-UD3H/GA-MA785GT-UD3H, BIOS F8 05/25/2010 >> [17030.761915] ffffffff81c27a04 ffff88013a603938 ffffffff819da02a >> 0000000000000011 >> [17030.761922] ffffea0001b34380 ffff88013a603968 ffffffff819d640f >> ffffea0001b343c0 >> [17030.761929] ffffea0001b34380 0000000000000000 ffffffff81c27a26 >> ffff88013a6039b8 >> [17030.761936] Call Trace: >> [17030.761949] [<ffffffff819da02a>] dump_stack+0x45/0x57 >> [17030.761979] [<ffffffff819d640f>] bad_page+0xdb/0xf9 >> [17030.761987] [<ffffffff8110d52f>] free_pages_prepare+0xff/0x160 >> [17030.761995] [<ffffffff8110f670>] free_hot_cold_page+0x30/0x130 >> [17030.762001] [<ffffffff8110f7bb>] free_hot_cold_page_list+0x4b/0xa0 >> [17030.762010] [<ffffffff8111a547>] shrink_page_list+0x507/0xa90 >> [17030.762019] [<ffffffff8111b04d>] shrink_inactive_list+0x18d/0x4f0 >> [17030.762028] [<ffffffff8111bd25>] shrink_lruvec+0x5d5/0x7c0 >> [17030.762037] [<ffffffff8111bfa7>] shrink_zone+0x97/0x240 >> [17030.762045] [<ffffffff8111d0c9>] kswapd+0x509/0x9d0 >> [17030.762054] [<ffffffff8111cbc0>] ? mem_cgroup_shrink_node_zone+0x140/0x140 >> [17030.762062] [<ffffffff81065ee4>] kthread+0xc4/0xe0 >> [17030.762069] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [17030.762077] [<ffffffff819e382c>] ret_from_fork+0x7c/0xb0 >> [17030.762084] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [19295.212650] BUG: Bad page state in process kswapd0 pfn:60a0e >> [19295.212663] page:ffffea0001828380 count:0 mapcount:-1 mapping: >> (null) index:0x34a1449 >> [19295.212693] flags: 0x100000000000008(uptodate) >> [19295.212713] page dumped because: nonzero mapcount >> [19295.212717] Modules linked in: xfs libcrc32c exportfs firewire_ohci >> kvm firewire_core k10temp crc_itu_t >> [19295.212737] CPU: 1 PID: 664 Comm: kswapd0 Tainted: G B >> 3.19.0-gentoo-suc #1 >> [19295.212742] Hardware name: Gigabyte Technology Co., Ltd. >> GA-MA785GT-UD3H/GA-MA785GT-UD3H, BIOS F8 05/25/2010 >> [19295.212747] ffffffff81c27a04 ffff88013a603938 ffffffff819da02a >> 00000000000000bb >> [19295.212754] ffffea0001828380 ffff88013a603968 ffffffff819d640f >> ffffea00018283c0 >> [19295.212761] ffffea0001828380 0000000000000000 ffffffff81c27a26 >> ffff88013a6039b8 >> [19295.212768] Call Trace: >> [19295.212782] [<ffffffff819da02a>] dump_stack+0x45/0x57 >> [19295.212793] [<ffffffff819d640f>] bad_page+0xdb/0xf9 >> [19295.212801] [<ffffffff8110d52f>] free_pages_prepare+0xff/0x160 >> [19295.212808] [<ffffffff8110f670>] free_hot_cold_page+0x30/0x130 >> [19295.212815] [<ffffffff8110f7bb>] free_hot_cold_page_list+0x4b/0xa0 >> [19295.212823] [<ffffffff8111a547>] shrink_page_list+0x507/0xa90 >> [19295.212832] [<ffffffff8111b04d>] shrink_inactive_list+0x18d/0x4f0 >> [19295.212841] [<ffffffff8111bd25>] shrink_lruvec+0x5d5/0x7c0 >> [19295.212849] [<ffffffff8111bfa7>] shrink_zone+0x97/0x240 >> [19295.212857] [<ffffffff8111d0c9>] kswapd+0x509/0x9d0 >> [19295.212867] [<ffffffff8111cbc0>] ? mem_cgroup_shrink_node_zone+0x140/0x140 >> [19295.212874] [<ffffffff81065ee4>] kthread+0xc4/0xe0 >> [19295.212881] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [19295.212889] [<ffffffff819e382c>] ret_from_fork+0x7c/0xb0 >> [19295.212895] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [25754.399681] BUG: Bad page state in process kswapd0 pfn:110e06 >> [25754.399694] page:ffffea0004438180 count:0 mapcount:-1 mapping: >> (null) index:0x52f5b87 >> [25754.399723] flags: 0x200000000000008(uptodate) >> [25754.399742] page dumped because: nonzero mapcount >> [25754.399746] Modules linked in: xfs libcrc32c exportfs firewire_ohci >> kvm firewire_core k10temp crc_itu_t >> [25754.399766] CPU: 0 PID: 664 Comm: kswapd0 Tainted: G B >> 3.19.0-gentoo-suc #1 >> [25754.399771] Hardware name: Gigabyte Technology Co., Ltd. >> GA-MA785GT-UD3H/GA-MA785GT-UD3H, BIOS F8 05/25/2010 >> [25754.399776] ffffffff81c27a04 ffff88013a603938 ffffffff819da02a >> 0000000000000089 >> [25754.399783] ffffea0004438180 ffff88013a603968 ffffffff819d640f >> ffffea00044381c0 >> [25754.399790] ffffea0004438180 0000000000000000 ffffffff81c27a26 >> ffff88013a6039b8 >> [25754.399796] Call Trace: >> [25754.399811] [<ffffffff819da02a>] dump_stack+0x45/0x57 >> [25754.399820] [<ffffffff819d640f>] bad_page+0xdb/0xf9 >> [25754.399828] [<ffffffff8110d52f>] free_pages_prepare+0xff/0x160 >> [25754.399835] [<ffffffff8110f670>] free_hot_cold_page+0x30/0x130 >> [25754.399842] [<ffffffff8110f7bb>] free_hot_cold_page_list+0x4b/0xa0 >> [25754.399850] [<ffffffff8111a547>] shrink_page_list+0x507/0xa90 >> [25754.399859] [<ffffffff8111b04d>] shrink_inactive_list+0x18d/0x4f0 >> [25754.399868] [<ffffffff8111bd25>] shrink_lruvec+0x5d5/0x7c0 >> [25754.399876] [<ffffffff8111bfa7>] shrink_zone+0x97/0x240 >> [25754.399884] [<ffffffff8111d0c9>] kswapd+0x509/0x9d0 >> [25754.399894] [<ffffffff8111cbc0>] ? mem_cgroup_shrink_node_zone+0x140/0x140 >> [25754.399901] [<ffffffff81065ee4>] kthread+0xc4/0xe0 >> [25754.399908] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [25754.399916] [<ffffffff819e382c>] ret_from_fork+0x7c/0xb0 >> [25754.399922] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [37925.847674] BUG: Bad page state in process kswapd0 pfn:2cd0e >> [37925.847686] page:ffffea0000b34380 count:0 mapcount:-1 mapping: >> (null) index:0x8c1fd03 >> [37925.847716] flags: 0x100000000000008(uptodate) >> [37925.847736] page dumped because: nonzero mapcount >> [37925.847739] Modules linked in: xfs libcrc32c exportfs firewire_ohci >> kvm firewire_core k10temp crc_itu_t >> [37925.847759] CPU: 1 PID: 664 Comm: kswapd0 Tainted: G B >> 3.19.0-gentoo-suc #1 >> [37925.847765] Hardware name: Gigabyte Technology Co., Ltd. >> GA-MA785GT-UD3H/GA-MA785GT-UD3H, BIOS F8 05/25/2010 >> [37925.847769] ffffffff81c27a04 ffff88013a603938 ffffffff819da02a >> 00000000000000a9 >> [37925.847776] ffffea0000b34380 ffff88013a603968 ffffffff819d640f >> ffffea0000b343c0 >> [37925.847783] ffffea0000b34380 0000000000000000 ffffffff81c27a26 >> ffff88013a6039b8 >> [37925.847789] Call Trace: >> [37925.847803] [<ffffffff819da02a>] dump_stack+0x45/0x57 >> [37925.847813] [<ffffffff819d640f>] bad_page+0xdb/0xf9 >> [37925.847821] [<ffffffff8110d52f>] free_pages_prepare+0xff/0x160 >> [37925.847847] [<ffffffff8110f670>] free_hot_cold_page+0x30/0x130 >> [37925.847854] [<ffffffff8110f7bb>] free_hot_cold_page_list+0x4b/0xa0 >> [37925.847863] [<ffffffff8111a547>] shrink_page_list+0x507/0xa90 >> [37925.847872] [<ffffffff8111b04d>] shrink_inactive_list+0x18d/0x4f0 >> [37925.847880] [<ffffffff8111bd25>] shrink_lruvec+0x5d5/0x7c0 >> [37925.847889] [<ffffffff8111bfa7>] shrink_zone+0x97/0x240 >> [37925.847897] [<ffffffff8111d0c9>] kswapd+0x509/0x9d0 >> [37925.847906] [<ffffffff8111cbc0>] ? mem_cgroup_shrink_node_zone+0x140/0x140 >> [37925.847914] [<ffffffff81065ee4>] kthread+0xc4/0xe0 >> [37925.847920] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [37925.847929] [<ffffffff819e382c>] ret_from_fork+0x7c/0xb0 >> [37925.847935] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [60015.145582] pickup (26811) used greatest stack depth: 10776 bytes left >> [65101.140582] BUG: Bad page state in process kswapd0 pfn:1ed06 >> [65101.140595] page:ffffea00007b4180 count:0 mapcount:-1 mapping: >> (null) index:0x18160edd >> [65101.140624] flags: 0x100000000000008(uptodate) >> [65101.140644] page dumped because: nonzero mapcount >> [65101.140647] Modules linked in: xfs libcrc32c exportfs firewire_ohci >> kvm firewire_core k10temp crc_itu_t >> [65101.140668] CPU: 3 PID: 664 Comm: kswapd0 Tainted: G B >> 3.19.0-gentoo-suc #1 >> [65101.140673] Hardware name: Gigabyte Technology Co., Ltd. >> GA-MA785GT-UD3H/GA-MA785GT-UD3H, BIOS F8 05/25/2010 >> [65101.140677] ffffffff81c27a04 ffff88013a603938 ffffffff819da02a >> 000000000000008b >> [65101.140685] ffffea00007b4180 ffff88013a603968 ffffffff819d640f >> ffffea00007b41c0 >> [65101.140691] ffffea00007b4180 0000000000000000 ffffffff81c27a26 >> ffff88013a6039b8 >> [65101.140697] Call Trace: >> [65101.140712] [<ffffffff819da02a>] dump_stack+0x45/0x57 >> [65101.140721] [<ffffffff819d640f>] bad_page+0xdb/0xf9 >> [65101.140729] [<ffffffff8110d52f>] free_pages_prepare+0xff/0x160 >> [65101.140737] [<ffffffff8110f670>] free_hot_cold_page+0x30/0x130 >> [65101.140743] [<ffffffff8110f7bb>] free_hot_cold_page_list+0x4b/0xa0 >> [65101.140752] [<ffffffff8111a547>] shrink_page_list+0x507/0xa90 >> [65101.140761] [<ffffffff8111b04d>] shrink_inactive_list+0x18d/0x4f0 >> [65101.140769] [<ffffffff8111bd25>] shrink_lruvec+0x5d5/0x7c0 >> [65101.140778] [<ffffffff8111bfa7>] shrink_zone+0x97/0x240 >> [65101.140786] [<ffffffff8111d0c9>] kswapd+0x509/0x9d0 >> [65101.140796] [<ffffffff8111cbc0>] ? mem_cgroup_shrink_node_zone+0x140/0x140 >> [65101.140803] [<ffffffff81065ee4>] kthread+0xc4/0xe0 >> [65101.140810] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> [65101.140818] [<ffffffff819e382c>] ret_from_fork+0x7c/0xb0 >> [65101.140825] [<ffffffff81065e20>] ? kthread_create_on_node+0x180/0x180 >> >> is there something i can do to diagnose it more? >> >> Thank you for your help. >> >> Pavol >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@...r.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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