On 2013-07-04 01:23:00, coderkun wrote: > Date: Thu, 04 Jul 2013 01:23:00 +0200 > From: coderkun <olli@xxxxxxxxxxx> > To: arch-general@xxxxxxxxxxxxx > Subject: Re: [arch-general] short hangs > X-Mailer: Evolution 3.8.3 > > Am Mittwoch, den 03.07.2013, 16:13 -0400 schrieb Scott Lawrence: > > My experience is that freezes are almost always associated with the hard drive > > having spun down, and needing to spin up before something can be read from the > > disk. (It just happened, as I was typing that sentence.) Tweak power settings > > to make spin-downs more rare, or banish them altogether if you're willing to > > take a minor hit to power consumption. > > This my experience, too. > I had similar symtoms on my machine and suspected the Gnome-Shell. But > then I found out that my harddrive doesn’t support the “min_power” > policy (only “medium_power”) which I had activated through an udev rule. I have the almost same issue about several months. When this happen, ssh to the machine and run "cat /proc/`pidof X`/stack", it shows that the X sever has been stucked. For me, it will last about 3--5 minutes. This bug has been reported to freedesktop: https://bugs.freedesktop.org/show_bug.cgi?id=65276 [<ffffffffa050d83c>] radeon_fence_wait_seq+0x1dc/0x600 [radeon] [<ffffffffa050e26b>] radeon_fence_wait+0x2b/0x60 [radeon] [<ffffffffa050e941>] radeon_sync_obj_wait+0x11/0x20 [radeon] [<ffffffffa046b811>] ttm_bo_wait+0x91/0x190 [ttm] [<ffffffffa046eefc>] ttm_bo_move_accel_cleanup+0x9c/0x350 [ttm] [<ffffffffa050ee22>] radeon_move_blit.isra.7+0xc2/0x160 [radeon] [<ffffffffa050f70a>] radeon_bo_move+0xaa/0x1e0 [radeon] [<ffffffffa046d065>] ttm_bo_handle_move_mem+0x255/0x5f0 [ttm] [<ffffffffa046d592>] ttm_bo_evict+0x192/0x360 [ttm] [<ffffffffa046d8be>] ttm_mem_evict_first+0x15e/0x200 [ttm] [<ffffffffa046dc11>] ttm_bo_mem_space+0x2b1/0x360 [ttm] [<ffffffffa046e26a>] ttm_bo_move_buffer+0xca/0x150 [ttm] [<ffffffffa046e38a>] ttm_bo_validate+0x9a/0x110 [ttm] [<ffffffffa046e6b9>] ttm_bo_init+0x2b9/0x3d0 [ttm] [<ffffffffa0510160>] radeon_bo_create+0x180/0x250 [radeon] [<ffffffffa0521f9b>] radeon_gem_object_create+0x9b/0x160 [radeon] [<ffffffffa05223b0>] radeon_gem_create_ioctl+0x60/0x140 [radeon] [<ffffffffa03fb1c1>] drm_ioctl+0x4d1/0x580 [drm] [<ffffffff8119d135>] do_vfs_ioctl+0x2e5/0x4d0 [<ffffffff8119d3a1>] sys_ioctl+0x81/0xa0 [<ffffffff814da1dd>] system_call_fastpath+0x1a/0x1f [<ffffffffffffffff>] 0xffffffffffffffff Maybe my info can help the community > > Regards, > coderkun >