Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.19 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19-rc1/ ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1789636 Title: generic_make_request: Trying to write to read-only block-device loop1 (partno 0) Status in linux package in Ubuntu: Incomplete Bug description: Hello, dmesg: [ 79.648411] ------------[ cut here ]------------ [ 79.648415] generic_make_request: Trying to write to read-only block-device loop1 (partno 0) [ 79.648437] WARNING: CPU: 0 PID: 305 at block/blk-core.c:2180 generic_make_request_checks+0x4c9/0x610 [ 79.648439] Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter ebtables ip6table_filter devlink ip6_tables iptable_filter cmac bnep samsung_laptop intel_rapl x86_pkg_temp_thermal snd_hda_codec_hdmi intel_powerclamp snd_hda_codec_realtek snd_hda_codec_generic coretemp kvm_intel snd_hda_intel uvcvideo btusb kvm btrtl snd_hda_codec irqbypass videobuf2_vmalloc btbcm videobuf2_memops crct10dif_pclmul btintel videobuf2_v4l2 crc32_pclmul videobuf2_common bluetooth ghash_clmulni_intel arc4 cryptd videodev snd_hda_core intel_cstate ecdh_generic media intel_rapl_perf [ 79.648517] iwldvm snd_hwdep snd_pcm mac80211 input_leds snd_seq_midi joydev snd_seq_midi_event iwlwifi snd_rawmidi serio_raw snd_seq snd_seq_device cfg80211 snd_timer snd mei_me mei soundcore shpchp mac_hid sch_fq_codel nfsd auth_rpcgss nfs_acl lockd grace parport_pc ppdev lp sunrpc parport ip_tables x_tables autofs4 btrfs xor zstd_compress raid6_pq libcrc32c hid_generic usbhid hid i915 gpio_ich i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops psmouse ahci r8169 drm libahci lpc_ich mii video wmi [ 79.648588] CPU: 0 PID: 305 Comm: ureadahead Tainted: G OE 4.17.0-9-generic #10-Ubuntu [ 79.648589] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C/SAMSUNG_NP1234567890, BIOS P14AAJ 04/15/2013 [ 79.648594] RIP: 0010:generic_make_request_checks+0x4c9/0x610 [ 79.648595] RSP: 0018:ffff97eb41ee7d20 EFLAGS: 00010282 [ 79.648598] RAX: 0000000000000000 RBX: ffff89938561b2a0 RCX: 0000000000000006 [ 79.648600] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff89939f2164b0 [ 79.648602] RBP: ffff97eb41ee7d80 R08: 0000000000000001 R09: 0000000000000364 [ 79.648604] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 [ 79.648607] R13: 0000000000000000 R14: 0000000000000001 R15: ffff8993621bb900 [ 79.648610] FS: 00007f4d8c4747c0(0000) GS:ffff89939f200000(0000) knlGS:0000000000000000 [ 79.648613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.648615] CR2: 00007f4d8c4b9bb0 CR3: 000000030fa8e006 CR4: 00000000000606f0 [ 79.648618] Call Trace: [ 79.648627] generic_make_request+0x5b/0x410 [ 79.648632] ? mempool_alloc_slab+0x15/0x20 [ 79.648635] ? mempool_alloc+0x71/0x190 [ 79.648640] submit_bio+0x49/0x140 [ 79.648646] submit_bio_wait+0x59/0x90 [ 79.648650] blkdev_issue_flush+0x85/0xb0 [ 79.648657] blkdev_fsync+0x35/0x50 [ 79.648661] vfs_fsync_range+0x48/0x80 [ 79.648665] ? __x64_sys_prctl+0x3c6/0x500 [ 79.648667] do_fsync+0x3d/0x70 [ 79.648670] __x64_sys_fsync+0x14/0x20 [ 79.648675] do_syscall_64+0x5a/0x110 [ 79.648682] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.648685] RIP: 0033:0x7f4d8ba56ae1 [ 79.648687] RSP: 002b:00007ffc2d5c0398 EFLAGS: 00000246 ORIG_RAX: 000000000000004a [ 79.648692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d8ba56ae1 [ 79.648694] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000003 [ 79.648696] RBP: 0000000000000003 R08: 0000000000000200 R09: 0000000000000000 [ 79.648699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 79.648700] R13: 000055e74d044600 R14: 00007f4d8c4d0680 R15: 000055e74d02e1e0 [ 79.648702] Code: 8b ad 54 03 00 00 48 8d 75 b0 4c 89 ff c6 05 d1 cc 19 01 01 e8 99 6c 01 00 48 c7 c7 c8 9c 52 a7 44 89 ea 48 89 c6 e8 09 68 c1 ff <0f> 0b 4d 8b 6f 08 e9 c8 fb ff ff 49 8b 76 08 48 85 f6 0f 84 e8 [ 79.648765] ---[ end trace 40ed335baa94347c ]--- Best regards, -- Cristian Aravena Romero (caravena) ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: linux-image-4.17.0-9-generic 4.17.0-9.10 ProcVersionSignature: Ubuntu 4.17.0-9.10-generic 4.17.17 Uname: Linux 4.17.0-9-generic x86_64 ApportVersion: 2.20.10-0ubuntu9 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: caravena 3331 F...m pulseaudio /dev/snd/controlC0: caravena 3331 F.... pulseaudio CurrentDesktop: ubuntu-communitheme:ubuntu:GNOME Date: Wed Aug 29 08:39:22 2018 InstallationDate: Installed on 2017-10-13 (319 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926) MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.17.0-9-generic root=UUID=707d0f89-4b1d-4432-9d50-6058dc4c1ee9 ro rootflags=subvol=@ quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.17.0-9-generic N/A linux-backports-modules-4.17.0-9-generic N/A linux-firmware 1.174 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/15/2013 dmi.bios.vendor: Phoenix Technologies Ltd. dmi.bios.version: P14AAJ dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: SAMSUNG_NP1234567890 dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: FAB1 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP14AAJ:bd04/15/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.family: ChiefRiver System dmi.product.name: 530U3C/530U4C dmi.product.version: 0.1 dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. 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