Hi Benjamin, On Wed, Jun 15, 2011 at 02:42:56PM +1000, Benjamin Herrenschmidt wrote: > On Tue, 2011-06-14 at 12:15 +0300, Meelis Roos wrote: > > Tested 3.0-rc3 on my PC (2 PATA disks, single duron CPU). Got several of > > these in dmesg: > > Same here on a powerpc64 machine while doing a fresh debian install > (while the installer's installing the packages), -rc3 as well. Do you have some clue that this bug show up in between 3.0-rc1 and 3.0-rc3, or between 2.6.39 and 3.0-rc3? Thanks, Fengguang > > [ 842.680141] ------------[ cut here ]------------ > > [ 842.680172] WARNING: at fs/fs-writeback.c:356 writeback_single_inode+0x3e/0x18f() > > [ 842.680178] Hardware name: > > [ 842.680182] Modules linked in: mga ppdev lp ipv6 fuse loop snd_ens1371 gameport snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq sg sr_mod snd_timer snd_seq_device pcspkr evdev cdrom snd uhci_hcd ehci_hcd parport_pc rtc_cmos parport soundcore usbcore via686a snd_page_alloc ac97_bus hwmon i2c_viapro processor button > > [ 842.680248] Pid: 1341, comm: flush-8:0 Not tainted 3.0.0-rc3 #67 > > [ 842.680254] Call Trace: > > [ 842.680269] [<c1254ada>] ? printk+0x18/0x1a > > [ 842.680281] [<c101fb6b>] warn_slowpath_common+0x77/0x8c > > [ 842.680288] [<c1092f8e>] ? writeback_single_inode+0x3e/0x18f > > [ 842.680294] [<c1092f8e>] ? writeback_single_inode+0x3e/0x18f > > [ 842.680300] [<c101fb9d>] warn_slowpath_null+0x1d/0x1f > > [ 842.680306] [<c1092f8e>] writeback_single_inode+0x3e/0x18f > > [ 842.680313] [<c1093519>] writeback_sb_inodes+0xcb/0x153 > > [ 842.680320] [<c1093aba>] writeback_inodes_wb+0xb0/0xf1 > > [ 842.680326] [<c1093c1d>] wb_writeback+0x122/0x1b0 > > [ 842.680334] [<c1093d15>] wb_check_old_data_flush+0x6a/0x76 > > [ 842.680340] [<c1093dc1>] wb_do_writeback+0xa0/0xf3 > > [ 842.680347] [<c1093e53>] bdi_writeback_thread+0x3f/0xd7 > > [ 842.680354] [<c1093e14>] ? wb_do_writeback+0xf3/0xf3 > > [ 842.680366] [<c10328cc>] kthread+0x61/0x66 > > [ 842.680373] [<c103286b>] ? kthread_worker_fn+0xf7/0xf7 > > [ 842.680383] [<c125ce7e>] kernel_thread_helper+0x6/0xd > > [ 842.680388] ---[ end trace c75e8a0e74c129b7 ]--- > > > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html