apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1502168/+attachment/4482811/+files/ProcInterrupts.txt
-- 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/1502168 Title: select's FD_ISSET returns true with no data to read Status in linux package in Ubuntu: Confirmed Bug description: Description: Ubuntu 14.04.3 LTS Release: 14.04 Ubuntu 3.13.0-65.105-generic 3.13.11-ckt26 3.13.0-63-generic seems to work fine, but in 3.13.0-65-generic, when using select; FD_ISSET returns true even when there is no data on a tty with min=0, time=0. getchar() returns -1 Wondering if it's anything to do with the fix for https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1397976 which was added in 3.13.0-65.105? Actually noticed this within sox: play xx.wav hangs due to continually reading the tty (it's not great code - but it showed up the bug). Whereas: play xx.wav < /dev/null is fine. Cheers, Tarim --- ApportVersion: 2.14.1-0ubuntu3.15 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: tarim 2172 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=a6e8d910-2435-40ac-a7da-169eaf499ccd InstallationDate: Installed on 2010-07-17 (1903 days ago) InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429) IwConfig: lo no wireless extensions. eth0 no wireless extensions. Lsusb: Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 002: ID 1c4f:0034 SiGma Micro Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7530 Package: linux (not installed) ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-65-generic root=UUID=de43ae6e-c38c-45d1-a8eb-2a9a5d55735b ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-65.105-generic 3.13.11-ckt26 RelatedPackageVersions: linux-restricted-modules-3.13.0-65-generic N/A linux-backports-modules-3.13.0-65-generic N/A linux-firmware 1.127.15 RfKill: Tags: trusty Uname: Linux 3.13.0-65-generic i686 UpgradeStatus: Upgraded to trusty on 2014-11-28 (308 days ago) UserGroups: adm admin audio cdrom dialout lp lpadmin plugdev sambashare video www-data _MarkForUpload: True dmi.bios.date: 03/04/2009 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V1.2 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P7NGM-Digital (MS-7530) dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD dmi.board.version: 1.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.2:bd03/04/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7530:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnP7NGM-Digital(MS-7530):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0: dmi.product.name: MS-7530 dmi.product.version: 1.0 dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1502168/+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
