[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
Yes. There is no noise or any other distortion when sound card is playing. The noise starts 5-10 seconds after the playback is stopped. In addition there are very loud clicks and pops during boot and shutdown. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
Is the problem like that: when playing something from speaker, there is no noise. While let speaker standby, there is noise? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
They patch was applied successfully but that did not help. Just to be sure I've tested with Kernels 4.4.0-21 and 4.6.0-999. Attaching new alsa-info.txt. ** Attachment added: "alsa-info.noisy.psn0.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4646648/+files/alsa-info.noisy.psn0.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
Let us test if disable power_save_node help or not. edit /etc/modprobe.d/snd_hda_intel.conf to add: options snd_hda_intel patch=onboard-patch and specified the hint in /lib/firmware/onboard-patch: $ cat /lib/firmware/onboard-patch [codec] 0x10ec0256 0x10280704 0 [hint] power_save_node = 0 Reboot the system, and check if the hint is set successfully. $ cat /sys/class/sound/hwC0D0/hints power_save_node = 0 If there is still noise, please upload an alsa-info.txt 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/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Attachment added: "Startup.mp3" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645628/+files/Startup.mp3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Attachment added: "Shutdown.mp3" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645629/+files/Shutdown.mp3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Attachment added: "alsa-info.normal.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645619/+files/alsa-info.normal.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Attachment added: "alsa-info.noisy.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645620/+files/alsa-info.noisy.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
Attaching requested alsa-info.txt pair and the diff. Besides constant noise there are terrible clicks and pops during system startup and shutdown. I've attached corresponding audio recordings. ** Patch added: "alsa-info.noisy.diff" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645617/+files/alsa-info.noisy.diff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
utopic has seen the end of its life and is no longer receiving any updates. Marking the utopic task for this ticket as "Won't Fix". ** Changed in: linux (Ubuntu Utopic) Status: Fix Committed => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
Please generate two alsa-info.txt, one without the noise and another with the noise. Please refer to https://wiki.ubuntu.com/Audio/AlsaInfo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
@anthonywong Referenced report seems as unrelated. On my machine, the sound is clear and loud but 10 seconds after playback ends the noise starts. I am not familiar with specific design of the soundcard but It looks/sounds like when it suspended by the driver, analog amplifier left active picking all kind of interferences from ground line. Kernel versions 4.4.0-1x and 4.6.0RCx are affected. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
Hi Eugene, can you check the original upstream bug at https://bugzilla.kernel.org/show_bug.cgi?id=99851 and see if your problem is the same? ** Bug watch added: Linux Kernel Bug Tracker #99851 http://bugzilla.kernel.org/show_bug.cgi?id=99851 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
Seems like Xenial is also affected by that issue, at least when audio device is idling. Should I create a new bug report for Xenial? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
This bug was fixed in the package linux - 3.19.0-26.28 --- linux (3.19.0-26.28) vivid; urgency=low [ Luis Henriques ] * Release Tracking Bug - LP: #1483630 [ Upstream Kernel Changes ] * Revert Bluetooth: ath3k: Add support of 04ca:300d AR3012 device linux (3.19.0-26.27) vivid; urgency=low [ Luis Henriques ] * Release Tracking Bug - LP: #1479055 * [Config] updateconfigs for 3.19.8-ckt4 stable update [ Chris J Arges ] * [Config] Add MTD_POWERNV_FLASH and OPAL_PRD - LP: #1464560 [ Mika Kuoppala ] * SAUCE: i915_bpo: drm/i915: Fix divide by zero on watermark update - LP: #1473175 [ Tim Gardner ] * [Config] ACORN_PARTITION=n - LP: #1453117 * [Config] Add i40e[vf] to d-i - LP: #1476393 [ Timo Aaltonen ] * SAUCE: i915_bpo: Rebase to v4.2-rc3 - LP: #1473175 * SAUCE: i915_bpo: Revert mm/fault, drm/i915: Use pagefault_disabled() to check for disabled pagefaults - LP: #1473175 * SAUCE: i915_bpo: Revert drm: i915: Port to new backlight interface selection API - LP: #1473175 [ Upstream Kernel Changes ] * Revert tools/vm: fix page-flags build - LP: #1473547 * Revert ALSA: hda - Add mute-LED mode control to Thinkpad - LP: #1473547 * Revert drm/radeon: adjust pll when audio is not enabled - LP: #1473547 * Revert crypto: talitos - convert to use be16_add_cpu() - LP: #1479048 * module: Call module notifier on failure after complete_formation() - LP: #1473547 * gpio: gpio-kempld: Fix get_direction return value - LP: #1473547 * ARM: dts: imx27: only map 4 Kbyte for fec registers - LP: #1473547 * ARM: 8356/1: mm: handle non-pmd-aligned end of RAM - LP: #1473547 * x86/mce: Fix MCE severity messages - LP: #1473547 * mac80211: don't use napi_gro_receive() outside NAPI context - LP: #1473547 * iwlwifi: mvm: Free fw_status after use to avoid memory leak - LP: #1473547 * iwlwifi: mvm: clean net-detect info if device was reset during suspend - LP: #1473547 * drm/plane-helper: Adapt cursor hack to transitional helpers - LP: #1473547 * ARM: dts: set display clock correctly for exynos4412-trats2 - LP: #1473547 * hwmon: (ntc_thermistor) Ensure iio channel is of type IIO_VOLTAGE - LP: #1473547 * mfd: da9052: Fix broken regulator probe - LP: #1473547 * ALSA: hda - Fix noise on AMD radeon 290x controller - LP: #1473547 * lguest: fix out-by-one error in address checking. - LP: #1473547 * xfs: xfs_attr_inactive leaves inconsistent attr fork state behind - LP: #1473547 * xfs: xfs_iozero can return positive errno - LP: #1473547 * fs, omfs: add NULL terminator in the end up the token list - LP: #1473547 * omfs: fix sign confusion for bitmap loop counter - LP: #1473547 * d_walk() might skip too much - LP: #1473547 * dm: fix casting bug in dm_merge_bvec() - LP: #1473547 * hwmon: (nct6775) Add missing sysfs attribute initialization - LP: #1473547 * hwmon: (nct6683) Add missing sysfs attribute initialization - LP: #1473547 * target/pscsi: Don't leak scsi_host if hba is VIRTUAL_HOST - LP: #1473547 * net: phy: bcm7xxx: Fix 7425 PHY ID and flags - LP: #1473547 * fs/binfmt_elf.c:load_elf_binary(): return -EINVAL on zero-length mappings - LP: #1473547 * i2c: hix5hd2: Fix modalias to make module auto-loading work - LP: #1473547 * i2c: s3c2410: fix oops in suspend callback for non-dt platforms - LP: #1473547 * iio: adis16400: Report pressure channel scale - LP: #1473547 * iio: adis16400: Use != channel indices for the two voltage channels - LP: #1473547 * iio: adis16400: Compute the scan mask from channel indices - LP: #1473547 * iio: adis16400: Fix burst mode - LP: #1473547 * iio: adis16400: Fix burst transfer for adis16448 - LP: #1473547 * USB: serial: ftdi_sio: Add support for a Motion Tracker Development Board - LP: #1473547 * iio: adc: twl6030-gpadc: Fix modalias - LP: #1473547 * usb: make module xhci_hcd removable - LP: #1473547 * usb: host: xhci: add mutex for non-thread-safe data - LP: #1473547 * serial: imx: Fix DMA handling for IDLE condition aborts - LP: #1473547 * usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros - LP: #1473547 * brcmfmac: avoid null pointer access when brcmf_msgbuf_get_pktid() fails - LP: #1473547 * ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion - LP: #1473547 * n_tty: Fix auditing support for cannonical mode - LP: #1473547 * drivers/base: cacheinfo: handle absence of caches - LP: #1473547 * drm/i915/hsw: Fix workaround for server AUX channel clock divisor - LP: #1473547 * MIPS: ralink: Fix clearing the illegal access interrupt - LP: #1473547 * x86/asm/irq: Stop relying on magic JMP behavior for early_idt_handlers - LP: #1473547 * lib: Fix strnlen_user() to not touch memory after
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- trusty' to 'verification-done-trusty'. If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- vivid' to 'verification-done-vivid'. If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-vivid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Tags removed: verification-needed-trusty verification-needed-vivid ** Tags added: verification-done-trusty verification-done-vivid ** Changed in: hwe-next Status: Fix Committed = Fix Released ** Changed in: linux (Ubuntu) Status: Fix Committed = Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-vivid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Also affects: linux (Ubuntu Vivid) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Vivid) Status: New = Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Also affects: linux (Ubuntu Utopic) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Trusty) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Utopic) Status: New = Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Changed in: linux (Ubuntu Trusty) Status: New = Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Changed in: linux (Ubuntu Trusty) Importance: Undecided = High ** Changed in: linux (Ubuntu Utopic) Importance: Undecided = High ** Changed in: hwe-next Status: In Progress = Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1468582] Re: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015)
** Changed in: linux (Ubuntu) Status: In Progress = Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468582 Title: Noisy (pop noise + white noise) headphone audio on Dell XPS 13 (2015) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1468582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
