Public bug reported: I'm running Lucid with latest updates on Asus K50IN. When using laptop's speakers, only the right one works. When using headphones, only the left one works. lspci 00:00.0 Host bridge: nVidia Corporation MCP79 Host Bridge (rev b1) 00:00.1 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1) 00:03.0 ISA bridge: nVidia Corporation MCP79 LPC Bridge (rev b3) 00:03.1 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1) 00:03.2 SMBus: nVidia Corporation MCP79 SMBus (rev b1) 00:03.3 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1) 00:03.5 Co-processor: nVidia Corporation MCP79 Co-processor (rev b1) 00:04.0 USB Controller: nVidia Corporation MCP79 OHCI USB 1.1 Controller (rev b1) 00:04.1 USB Controller: nVidia Corporation MCP79 EHCI USB 2.0 Controller (rev b1) 00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1) 00:09.0 PCI bridge: nVidia Corporation MCP79 PCI Bridge (rev b1) 00:0b.0 SATA controller: nVidia Corporation MCP79 AHCI Controller (rev b1) 00:10.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1) 00:15.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1) 00:16.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1) 02:00.0 VGA compatible controller: nVidia Corporation C79 [GeForce G102M] (rev b1) 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) 04:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
lshw -C sound *-multimedia description: Audio device product: MCP79 High Definition Audio vendor: nVidia Corporation physical id: 8 bus info: p...@0000:00:08.0 version: b1 width: 32 bits clock: 66MHz capabilities: pm bus_master cap_list configuration: driver=HDA Intel latency=0 maxlatency=5 mingnt=2 resources: irq:21 memory:fae78000-fae7bfff ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- Only one speaker sounds on asus K50in (mcp79 chipset) https://bugs.launchpad.net/bugs/596489 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs