[Bug 1857413] [NEW] mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg
Public bug reported: Using Linux kernel, When inject 1bit ecc error, there are some mce log recorded in the dmesg.like: [ 1561.511210] mce: [Hardware Error]: Machine check events logged [ 1561.511221] [Hardware Error]: Corrected error, no action required. [ 1561.511311] [Hardware Error]: CPU:0 (18:0:2) MC16_STATUS[Over|CE|MiscV|-|AddrV|-|-|SyndV|-|CECC]: 0xdc20411b [ 1561.511388] [Hardware Error]: Error Addr: 0x00077cd66940 [ 1561.511439] [Hardware Error]: IPID: 0x009600150f00, Syndrome: 0x10ce0a400d01 [ 1561.511499] [Hardware Error]: Unified Memory Controller Extended Error Code: 0 [ 1561.511556] [Hardware Error]: Unified Memory Controller Error: DRAM ECC error. [ 1561.511646] EDAC MC0: 1 CE on mc#0csrow#1channel#1 (csrow:1 channel:1 page:0x7fcd66 offset:0x940 grain:0 syndrome:0x10ce) [ 1561.511648] [Hardware Error]: cache level: L3/GEN, tx: GEN, mem-tx: RD *But, there are no the log when Using "Ubuntu 18.04.3 LTS"* The upstream related commit is de0e0624d86ff9fc512dedb297f8978698abf21a . After merged this commit, dmesg can record the mce log. ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] Re: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg
** Description changed: Using Linux kernel, When inject 1bit ecc error, there are some mce log recorded in the dmesg.like: [ 1561.511210] mce: [Hardware Error]: Machine check events logged [ 1561.511221] [Hardware Error]: Corrected error, no action required. [ 1561.511311] [Hardware Error]: CPU:0 (18:0:2) MC16_STATUS[Over|CE|MiscV|-|AddrV|-|-|SyndV|-|CECC]: 0xdc20411b [ 1561.511388] [Hardware Error]: Error Addr: 0x00077cd66940 [ 1561.511439] [Hardware Error]: IPID: 0x009600150f00, Syndrome: 0x10ce0a400d01 [ 1561.511499] [Hardware Error]: Unified Memory Controller Extended Error Code: 0 [ 1561.511556] [Hardware Error]: Unified Memory Controller Error: DRAM ECC error. [ 1561.511646] EDAC MC0: 1 CE on mc#0csrow#1channel#1 (csrow:1 channel:1 page:0x7fcd66 offset:0x940 grain:0 syndrome:0x10ce) [ 1561.511648] [Hardware Error]: cache level: L3/GEN, tx: GEN, mem-tx: RD *But, there are no the log when Using "Ubuntu 18.04.3 LTS"* The upstream related commit is de0e0624d86ff9fc512dedb297f8978698abf21a . - After merged this commit, dmesg can record the mce log. + After merged this commit, Ubuntu kernel's dmesg can record the mce log + as well. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] Re: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg
ubuntu 19.04 server also have the same problem. cat /etc/os-release NAME="Ubuntu" VERSION="19.04 (Disco Dingo)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 19.04" VERSION_ID="19.04" HOME_URL="https://www.ubuntu.com/"; SUPPORT_URL="https://help.ubuntu.com/"; BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"; PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"; VERSION_CODENAME=disco UBUNTU_CODENAME=disco uname -a Linux ubuntu 5.0.0-13-generic #14-Ubuntu SMP Mon Apr 15 14:59:14 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] ProcModules.txt
apport information ** Attachment added: "ProcModules.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315024/+files/ProcModules.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] Lspci.txt
apport information ** Attachment added: "Lspci.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315019/+files/Lspci.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] WifiSyslog.txt
apport information ** Attachment added: "WifiSyslog.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315026/+files/WifiSyslog.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] Re: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg
apport information ** Tags added: apport-collected disco ** Description changed: Using Linux kernel, When inject 1bit ecc error, there are some mce log recorded in the dmesg.like: [ 1561.511210] mce: [Hardware Error]: Machine check events logged [ 1561.511221] [Hardware Error]: Corrected error, no action required. [ 1561.511311] [Hardware Error]: CPU:0 (18:0:2) MC16_STATUS[Over|CE|MiscV|-|AddrV|-|-|SyndV|-|CECC]: 0xdc20411b [ 1561.511388] [Hardware Error]: Error Addr: 0x00077cd66940 [ 1561.511439] [Hardware Error]: IPID: 0x009600150f00, Syndrome: 0x10ce0a400d01 [ 1561.511499] [Hardware Error]: Unified Memory Controller Extended Error Code: 0 [ 1561.511556] [Hardware Error]: Unified Memory Controller Error: DRAM ECC error. [ 1561.511646] EDAC MC0: 1 CE on mc#0csrow#1channel#1 (csrow:1 channel:1 page:0x7fcd66 offset:0x940 grain:0 syndrome:0x10ce) [ 1561.511648] [Hardware Error]: cache level: L3/GEN, tx: GEN, mem-tx: RD *But, there are no the log when Using "Ubuntu 18.04.3 LTS"* The upstream related commit is de0e0624d86ff9fc512dedb297f8978698abf21a . - After merged this commit, Ubuntu kernel's dmesg can record the mce log - as well. + After merged this commit, Ubuntu kernel's dmesg can record the mce log as well. + --- + ProblemType: Bug + AlsaDevices: + total 0 + crw-rw+ 1 root audio 116, 1 Dec 24 17:20 seq + crw-rw+ 1 root audio 116, 33 Dec 24 17:20 timer + AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' + ApportVersion: 2.20.10-0ubuntu27 + Architecture: amd64 + ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' + AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: + DistroRelease: Ubuntu 19.04 + InstallationDate: Installed on 2019-12-24 (0 days ago) + InstallationMedia: Ubuntu-Server 19.04 "Disco Dingo" - Release amd64 (20190416.1) + IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' + MachineType: Sugon HygonH210 + Package: linux (not installed) + PciMultimedia: + + ProcEnviron: + TERM=linux + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash + ProcFB: 0 astdrmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-13-generic root=UUID=43f8bc11-d850-4e79-9d14-1232ef50040f ro + ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6 + RelatedPackageVersions: + linux-restricted-modules-5.0.0-13-generic N/A + linux-backports-modules-5.0.0-13-generic N/A + linux-firmware1.178 + RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' + Tags: disco + Uname: Linux 5.0.0-13-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: + + _MarkForUpload: True + dmi.bios.date: 03/15/2019 + dmi.bios.vendor: American Megatrends Inc. + dmi.bios.version: 210ER119 + dmi.board.asset.tag: Default string + dmi.board.name: HygonH210 + dmi.board.vendor: Sugon + dmi.board.version: Default string + dmi.chassis.asset.tag: Default string + dmi.chassis.type: 17 + dmi.chassis.vendor: Sugon + dmi.chassis.version: Default string + dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr210ER119:bd03/15/2019:svnSugon:pnHygonH210:pvrDefaultstring:rvnSugon:rnHygonH210:rvrDefaultstring:cvnSugon:ct17:cvrDefaultstring: + dmi.product.family: Rack + dmi.product.name: HygonH210 + dmi.product.sku: Default string + dmi.product.version: Default string + dmi.sys.vendor: Sugon ** Attachment added: "CRDA.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315017/+files/CRDA.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] UdevDb.txt
apport information ** Attachment added: "UdevDb.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315025/+files/UdevDb.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] ProcCpuinfo.txt
apport information ** Attachment added: "ProcCpuinfo.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315021/+files/ProcCpuinfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] CurrentDmesg.txt
apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315018/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] ProcInterrupts.txt
apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315023/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] Lsusb.txt
apport information ** Attachment added: "Lsusb.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315020/+files/Lsusb.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] ProcCpuinfoMinimal.txt
apport information ** Attachment added: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/bugs/1857413/+attachment/5315022/+files/ProcCpuinfoMinimal.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] Re: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg
So sorry for the late reply. The debs which at https://people.canonical.com/~phlin/kernel/lp-1857413 -ras-err-msg/ work well, and the same with Ubuntu 19.10 server. dmesg log: [ 316.984470] mce: [Hardware Error]: Machine check events logged [ 316.984475] [Hardware Error]: Corrected error, no action required. [ 316.984537] [Hardware Error]: CPU:0 (18:0:2) MC16_STATUS[Over|CE|MiscV|-|AddrV|-|-|SyndV|-|CECC]: 0xdc20411b [ 316.984610] [Hardware Error]: Error Addr: 0x0007de33d040 [ 316.984654] [Hardware Error]: IPID: 0x009600150f00, Syndrome: 0x40100a400f00 [ 316.984712] [Hardware Error]: Unified Memory Controller Extended Error Code: 0 [ 316.984765] [Hardware Error]: Unified Memory Controller Error: DRAM ECC error. [ 316.984881] WARNING: CPU: 0 PID: 109 at drivers/edac/edac_mc.c:1243 edac_mc_handle_error+0x53f/0x590 [ 316.984883] Modules linked in: msr nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua amd64_edac_mod ipmi_ssif edac_mce_amd kvm_amd ccp kvm irqbypass ipmi_si input_leds ipmi_devintf ipmi_msghandler k10temp mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid ast ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci igb drm libahci dca i2c_algo_bit [ 316.984938] CPU: 0 PID: 109 Comm: kworker/0:2 Not tainted 5.0.0-38-generic #41 [ 316.984939] Hardware name: Sugon HygonH210/HygonH210, BIOS 210ER119 03/15/2019 [ 316.984946] Workqueue: events mce_gen_pool_process [ 316.984951] RIP: 0010:edac_mc_handle_error+0x53f/0x590 [ 316.984953] Code: 77 6e 20 41 b9 72 79 00 00 49 89 84 24 88 05 00 00 48 8b 45 b8 c7 40 08 6d 65 6d 6f 66 44 89 48 0c c6 40 0e 00 e9 6c fd ff ff <0f> 0b 49 c7 82 b0 06 00 00 01 00 00 00 31 c0 e9 48 fe ff ff 40 84 [ 316.984955] RSP: 0018:b03743b33c68 EFLAGS: 00010246 [ 316.984958] RAX: RBX: 8a9b81f1 RCX: 0001 [ 316.984959] RDX: RSI: 8a9b81f7 RDI: 9e7219335c9a [ 316.984960] RBP: b03743b33ce8 R08: 8a973dc8 R09: 7568c237 [ 316.984961] R10: 9e7219335800 R11: 9e7219335c99 R12: 0002 [ 316.984962] R13: 9e7219335c9a R14: 9e7219335800 R15: [ 316.984964] FS: () GS:9e721d00() knlGS: [ 316.984965] CS: 0010 DS: ES: CR0: 80050033 [ 316.984967] CR2: 55d228ad3d90 CR3: 00085278 CR4: 003406f0 [ 316.984968] Call Trace: [ 316.984991] __log_ecc_error+0x62/0x90 [amd64_edac_mod] [ 316.984995] decode_umc_error+0xac/0x190 [amd64_edac_mod] [ 316.985002] amd_decode_mce.cold.27+0xa7c/0xa81 [edac_mce_amd] [ 316.985011] notifier_call_chain+0x4c/0x70 [ 316.985014] blocking_notifier_call_chain+0x43/0x60 [ 316.985016] mce_gen_pool_process+0x41/0x70 [ 316.985023] process_one_work+0x20f/0x410 [ 316.985025] worker_thread+0x34/0x400 [ 316.985028] kthread+0x120/0x140 [ 316.985031] ? process_one_work+0x410/0x410 [ 316.985033] ? __kthread_parkme+0x70/0x70 [ 316.985043] ret_from_fork+0x22/0x40 [ 316.985046] ---[ end trace 324c2dc485143f45 ]--- [ 316.985053] EDAC MC0: 1 CE on mc#0csrow#0channel#1 (csrow:0 channel:1 page:0x85e33d offset:0x40 grain:1 syndrome:0x4010) [ 316.985054] [Hardware Error]: cache level: L3/GEN, tx: GEN, mem-tx: RD uname -a Linux ubuntu 5.0.0-38-generic #41 SMP Thu Dec 26 09:14:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1857413] Re: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg
** Attachment removed: "WifiSyslog.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315026/+files/WifiSyslog.txt ** Attachment removed: "Lspci.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315019/+files/Lspci.txt ** Attachment removed: "Lsusb.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315020/+files/Lsusb.txt ** Attachment removed: "ProcCpuinfo.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315021/+files/ProcCpuinfo.txt ** Attachment removed: "UdevDb.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315025/+files/UdevDb.txt ** Attachment removed: "CRDA.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315017/+files/CRDA.txt ** Attachment removed: "CurrentDmesg.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315018/+files/CurrentDmesg.txt ** Attachment removed: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315022/+files/ProcCpuinfoMinimal.txt ** Attachment removed: "ProcInterrupts.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315023/+files/ProcInterrupts.txt ** Attachment removed: "ProcModules.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+attachment/5315024/+files/ProcModules.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857413 Title: mce: ras: When inject 1bit ecc error, there is no mce log recorded in the dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
