I am running fully up to date 13.10 on 64 bit and get the following under heavy NFS load when using cachefilesd and the 'fsc' flag on the nfs mount line. My PC hangs on this.
54.035972] Call Trace: Jan 19 10:44:46 hyperion kernel: [ 54.035977] [<ffffffff816e7335>] dump_stack+0x45/0x56 Jan 19 10:44:46 hyperion kernel: [ 54.035985] [<ffffffffa0d6f6f8>] fscache_submit_op+0x428/0x4a0 [fscache] Jan 19 10:44:46 hyperion kernel: [ 54.035988] [<ffffffffa0d71274>] __fscache_read_or_alloc_pages+0xd4/0x300 [fscache] Jan 19 10:44:46 hyperion kernel: [ 54.035996] [<ffffffffa0d93269>] __nfs_readpages_from_fscache+0x69/0x1a0 [nfs] Jan 19 10:44:46 hyperion kernel: [ 54.036000] [<ffffffffa0d8db18>] nfs_readpages+0xa8/0x190 [nfs] Jan 19 10:44:46 hyperion kernel: [ 54.036003] [<ffffffff81183c69>] ? alloc_pages_current+0xa9/0x160 Jan 19 10:44:46 hyperion kernel: [ 54.036005] [<ffffffff8113f2b7>] ? __page_cache_alloc+0x97/0xc0 Jan 19 10:44:46 hyperion kernel: [ 54.036007] [<ffffffff8114aa38>] __do_page_cache_readahead+0x1a8/0x240 Jan 19 10:44:46 hyperion kernel: [ 54.036009] [<ffffffff8114af46>] ondemand_readahead+0x126/0x250 Jan 19 10:44:46 hyperion kernel: [ 54.036011] [<ffffffff816eb9a2>] ? down_write+0x12/0x30 Jan 19 10:44:46 hyperion kernel: [ 54.036013] [<ffffffff8114b0a3>] page_cache_sync_readahead+0x33/0x50 Jan 19 10:44:46 hyperion kernel: [ 54.036014] [<ffffffff811407e5>] generic_file_aio_read+0x4b5/0x700 Jan 19 10:44:46 hyperion kernel: [ 54.036018] [<ffffffffa0d831c1>] nfs_file_read+0x71/0x100 [nfs] Jan 19 10:44:46 hyperion kernel: [ 54.036021] [<ffffffff811a6940>] do_sync_read+0x80/0xb0 Jan 19 10:44:46 hyperion kernel: [ 54.036023] [<ffffffff811a6f9e>] vfs_read+0x9e/0x170 Jan 19 10:44:46 hyperion kernel: [ 54.036024] [<ffffffff811a7ac9>] SyS_read+0x49/0xa0 Jan 19 10:44:46 hyperion kernel: [ 54.036027] [<ffffffff816f721d>] system_call_fastpath+0x1a/0x1f -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1212818 Title: Using fscache with NFS causes random kernel oops To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1212818/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
