This is the first odd entry after some time: [ 1633.822022] hda-intel: IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj.
Followed by this after a few seconds: [ 1650.756181] CPU0 attaching NULL sched-domain. [ 1650.756224] CPU1 attaching NULL sched-domain. [ 1650.785260] CPU0 attaching sched-domain: [ 1650.785279] domain 0: span 0-1 level CPU [ 1650.785287] groups: 0 1 [ 1650.785298] domain 1: span 0-1 level NODE [ 1650.785304] groups: 0-1 [ 1650.785316] CPU1 attaching sched-domain: [ 1650.785320] domain 0: span 0-1 level CPU [ 1650.785325] groups: 1 0 [ 1650.785331] domain 1: span 0-1 level NODE [ 1650.785336] groups: 0-1 The beginning of the bad events. After access to a /proc file, release tries to free a strange page. After that point new allocations for the cache seem to fail. [ 7104.061198] ------------[ cut here ]------------ [ 7104.061210] kernel BUG at /build/buildd/linux-2.6.27/mm/slub.c:2742! <cut> [ 7104.061581] Call Trace: [ 7104.061605] [<ffffffff8030c965>] seq_release+0x25/0x30 [ 7104.061613] [<ffffffff8030c9e6>] single_release+0x26/0x40 [ 7104.061625] [<ffffffff80339eb9>] proc_reg_release+0xd9/0x160 [ 7104.061632] [<ffffffff8030c9c0>] ? single_release+0x0/0x40 [ 7104.061643] [<ffffffff802ec929>] __fput+0xc9/0x1b0 [ 7104.061651] [<ffffffff802eca35>] fput+0x25/0x30 [ 7104.061659] [<ffffffff802e8ddb>] filp_close+0x5b/0x90 [ 7104.061666] [<ffffffff802e8ecf>] sys_close+0xbf/0x120 [ 7104.061679] [<ffffffff8021288a>] system_call_fastpath+0x16/0x1b What is a bit unclear from this report: have you had another kernel version running without problems or did you start with the Intrepid kernel? Have you run memtest for a longer period of time (just to rule out memory since this looks like some sort of memory problem)? -- general protection fault: 0000 [*] SMP in drm_open_helper, seq_open, inotify_init, rtnl_dump_ifinfo, call_usermodehelper_setup, get_UCSname, d_alloc https://bugs.launchpad.net/bugs/272856 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
