Second reboot worked. I did some extensive disk writing (around 1GB), got the read-only problem, and dmesg says:
[ 962.226687] sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock [ 972.262988] mmc0: Timeout waiting for hardware interrupt. [ 972.264987] ------------[ cut here ]------------ [ 972.265008] WARNING: CPU: 1 PID: 0 at /build/buildd/linux-3.13.0/drivers/mmc/host/sdhci.c:989 sdhci_send_command+0xc32/0xd60 [sdhci]() [ 972.265010] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev rfcomm bnep nls_iso8859_1 hid_generic hp_wmi sparse_keymap arc4 intel_rapl coretemp rtl8723be kvm crct10dif_pclmul crc32_pclmul btcoexist rtl8723_common ghash_clmulni_intel cryptd i915_bdw usbhid rtl_pci hid snd_hda_codec_hdmi rtlwifi snd_hda_codec_realtek btusb mac80211 bluetooth serio_raw rtsx_pci_ms memstick cfg80211 wmi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd intel_ips drm_kms_helper video hp_wireless drm i2c_algo_bit parport_pc soundcore joydev mac_hid ppdev lp parport usb_storage mmc_block rtsx_pci_sdmmc psmouse rtsx_pci sdhci_acpi sdhci [ 972.265057] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 3.13.0-45-generic #74-Ubuntu [ 972.265060] Hardware name: Hewlett-Packard HP Stream Notebook PC 13/802A, BIOS F.05 11/28/2014 [ 972.265062] 0000000000000009 ffff880076683d28 ffffffff81720eb6 0000000000000000 [ 972.265066] ffff880076683d60 ffffffff810677cd 0000000000000001 ffff880079947650 [ 972.265070] ffff88003f5e1930 ffff88003f5e1970 ffff8800799474c0 ffff880076683d70 [ 972.265074] Call Trace: [ 972.265077] <IRQ> [<ffffffff81720eb6>] dump_stack+0x45/0x56 [ 972.265089] [<ffffffff810677cd>] warn_slowpath_common+0x7d/0xa0 [ 972.265093] [<ffffffff810678aa>] warn_slowpath_null+0x1a/0x20 [ 972.265099] [<ffffffffa0003aa2>] sdhci_send_command+0xc32/0xd60 [sdhci] [ 972.265105] [<ffffffff813709aa>] ? delay_tsc+0x4a/0x80 [ 972.265108] [<ffffffff813708dc>] ? __const_udelay+0x2c/0x30 [ 972.265115] [<ffffffffa0001164>] ? sdhci_reset+0xa4/0x1b0 [sdhci] [ 972.265121] [<ffffffffa00043e5>] sdhci_finish_data+0x115/0x3c0 [sdhci] [ 972.265128] [<ffffffffa0004690>] ? sdhci_finish_data+0x3c0/0x3c0 [sdhci] [ 972.265134] [<ffffffffa000470d>] sdhci_timeout_timer+0x7d/0xc0 [sdhci] [ 972.265138] [<ffffffff81074386>] call_timer_fn+0x36/0x100 [ 972.265145] [<ffffffffa0004690>] ? sdhci_finish_data+0x3c0/0x3c0 [sdhci] [ 972.265148] [<ffffffff8107531f>] run_timer_softirq+0x1ef/0x2f0 [ 972.265153] [<ffffffff8106cc1c>] __do_softirq+0xec/0x2c0 [ 972.265157] [<ffffffff8106d165>] irq_exit+0x105/0x110 [ 972.265162] [<ffffffff81733d55>] smp_apic_timer_interrupt+0x45/0x60 [ 972.265166] [<ffffffff817326dd>] apic_timer_interrupt+0x6d/0x80 [ 972.265168] <EOI> [<ffffffff815d3712>] ? cpuidle_enter_state+0x52/0xc0 [ 972.265175] [<ffffffff815d3839>] cpuidle_idle_call+0xb9/0x1f0 [ 972.265180] [<ffffffff8101d35e>] arch_cpu_idle+0xe/0x30 [ 972.265185] [<ffffffff810bef35>] cpu_startup_entry+0xc5/0x290 [ 972.265190] [<ffffffff810413fd>] start_secondary+0x21d/0x2d0 [ 972.265192] ---[ end trace fa59f6fabf0e6688 ]--- [ 972.267360] mmcblk0: error -110 transferring data, sector 29645704, nr 224, cmd response 0x0, card status 0x0 [ 972.267370] blk_update_request: 11 callbacks suppressed [ 972.267373] end_request: I/O error, dev mmcblk0, sector 29645704 [ 972.267379] end_request: I/O error, dev mmcblk0, sector 29645712 [ 972.267383] end_request: I/O error, dev mmcblk0, sector 29645720 [ 972.267387] end_request: I/O error, dev mmcblk0, sector 29645728 [ 972.267390] end_request: I/O error, dev mmcblk0, sector 29645736 [ 972.267394] end_request: I/O error, dev mmcblk0, sector 29645744 [ 972.267397] end_request: I/O error, dev mmcblk0, sector 29645752 [ 972.267400] end_request: I/O error, dev mmcblk0, sector 29645760 [ 972.267403] end_request: I/O error, dev mmcblk0, sector 29645768 [ 972.267406] end_request: I/O error, dev mmcblk0, sector 29645776 [ 972.267529] Aborting journal on device mmcblk0p5-8. [ 972.267544] EXT4-fs error (device mmcblk0p5) in ext4_reserve_inode_write:4902: Journal has aborted [ 972.268665] EXT4-fs error (device mmcblk0p5) in ext4_free_blocks:4882: Journal has aborted [ 972.269152] EXT4-fs error (device mmcblk0p5) in ext4_reserve_inode_write:4902: Journal has aborted [ 972.360668] EXT4-fs (mmcblk0p5): Remounting filesystem read-only [ 972.438561] EXT4-fs error (device mmcblk0p5): mpage_map_and_submit_extent:2273: comm http: Failed to mark inode 320098 dirty -- 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/1417263 Title: sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock Status in linux package in Ubuntu: Confirmed Bug description: On my HP Stream 13 laptop with Ubuntu 14.04 LTS (fully updated) I sometimes (once an hour?) get the error below in dmesg. It has to do with the eMMC / eMMC reader. There is no other flash device (like a USB key) installed or in use. Yesterday the file system turned read-only. I had to reboot to get it read-write again. [ 2666.946287] sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock [ 2666.948450] ------------[ cut here ]------------ [ 2666.948477] WARNING: CPU: 0 PID: 3597 at /build/buildd/linux-3.13.0/drivers/mmc/host/sdhci.c:989 sdhci_send_command+0xc32/0xd60 [sdhci]() [ 2666.948479] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek rfcomm bnep nls_iso8859_1 hid_generic hp_wmi sparse_keymap snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event intel_rapl snd_rawmidi coretemp arc4 kvm crct10dif_pclmul crc32_pclmul usbhid snd_seq hid ghash_clmulni_intel rtl8723be btcoexist cryptd snd_seq_device rtl8723_common snd_timer rtl_pci rtlwifi btusb bluetooth mac80211 serio_raw snd rtsx_pci_ms memstick i915_bdw cfg80211 intel_ips drm_kms_helper soundcore drm i2c_algo_bit wmi hp_wireless video parport_pc ppdev joydev mac_hid lp parport mmc_block rtsx_pci_sdmmc psmouse rtsx_pci sdhci_acpi sdhci [ 2666.948522] CPU: 0 PID: 3597 Comm: chromium-browse Not tainted 3.13.0-45-generic #74-Ubuntu [ 2666.948524] Hardware name: Hewlett-Packard HP Stream Notebook PC 13/802A, BIOS F.05 11/28/2014 [ 2666.948527] 0000000000000009 ffff880076a03d28 ffffffff81720eb6 0000000000000000 [ 2666.948531] ffff880076a03d60 ffffffff810677cd 0000000000000002 ffff88003fb7ac00 [ 2666.948535] ffff880071b77ad0 ffff880071b77b10 ffff88003f9b74c0 ffff880076a03d70 [ 2666.948539] Call Trace: [ 2666.948542] <IRQ> [<ffffffff81720eb6>] dump_stack+0x45/0x56 [ 2666.948554] [<ffffffff810677cd>] warn_slowpath_common+0x7d/0xa0 [ 2666.948557] [<ffffffff810678aa>] warn_slowpath_null+0x1a/0x20 [ 2666.948564] [<ffffffffa0003aa2>] sdhci_send_command+0xc32/0xd60 [sdhci] [ 2666.948569] [<ffffffff813709aa>] ? delay_tsc+0x4a/0x80 [ 2666.948573] [<ffffffff813708dc>] ? __const_udelay+0x2c/0x30 [ 2666.948579] [<ffffffffa0001164>] ? sdhci_reset+0xa4/0x1b0 [sdhci] [ 2666.948585] [<ffffffffa00043e5>] sdhci_finish_data+0x115/0x3c0 [sdhci] [ 2666.948591] [<ffffffffa0004c00>] sdhci_irq+0x350/0x8e3 [sdhci] [ 2666.948596] [<ffffffff810bfa5e>] handle_irq_event_percpu+0x3e/0x1d0 [ 2666.948600] [<ffffffff810bfc2d>] handle_irq_event+0x3d/0x60 [ 2666.948604] [<ffffffff810c2e4a>] handle_fasteoi_irq+0x5a/0x100 [ 2666.948608] [<ffffffff81015e5e>] handle_irq+0x1e/0x30 [ 2666.948613] [<ffffffff81733c9d>] do_IRQ+0x4d/0xc0 [ 2666.948618] [<ffffffff817293ad>] common_interrupt+0x6d/0x6d [ 2666.948619] <EOI> [<ffffffff81728d4b>] ? _raw_spin_unlock_irqrestore+0x1b/0x40 [ 2666.948627] [<ffffffff810aaf80>] __wake_up_sync_key+0x50/0x60 [ 2666.948632] [<ffffffff811c66dd>] pipe_write+0x43d/0x520 [ 2666.948637] [<ffffffff811bd45a>] do_sync_write+0x5a/0x90 [ 2666.948641] [<ffffffff811bdbe4>] vfs_write+0xb4/0x1f0 [ 2666.948644] [<ffffffff811be619>] SyS_write+0x49/0xa0 [ 2666.948648] [<ffffffff81731b7f>] tracesys+0xe1/0xe6 [ 2666.948651] ---[ end trace 6d4cc2b5a74f9ad2 ]--- [ 2666.950730] mmcblk0: error -84 transferring data, sector 36853392, nr 8, cmd response 0x0, card status 0x0 [ 2666.950736] mmcblk0: retrying using single block read ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-45-generic 3.13.0-45.74 ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13 Uname: Linux 3.13.0-45-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: sander 1876 F.... pulseaudio CurrentDesktop: Unity Date: Mon Feb 2 21:41:26 2015 HibernationDevice: RESUME=UUID=1cce7297-b185-4592-a4a0-dfdc069ad5a1 InstallationDate: Installed on 2015-02-01 (1 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 0bda:b001 Realtek Semiconductor Corp. Bus 001 Device 003: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Hewlett-Packard HP Stream Notebook PC 13 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-45-generic.efi.signed root=UUID=dba934e0-c15e-419b-a02a-96c8add96cf2 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-45-generic N/A linux-backports-modules-3.13.0-45-generic N/A linux-firmware 1.127.11 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/28/2014 dmi.bios.vendor: Insyde dmi.bios.version: F.05 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: 802A dmi.board.vendor: Hewlett-Packard dmi.board.version: 56.10 dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnInsyde:bvrF.05:bd11/28/2014:svnHewlett-Packard:pnHPStreamNotebookPC13:pvrType1-ProductConfigId:rvnHewlett-Packard:rn802A:rvr56.10:cvnHewlett-Packard:ct10:cvrChassisVersion: dmi.product.name: HP Stream Notebook PC 13 dmi.product.version: Type1 - ProductConfigId dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1417263/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
