Messages in this thread | | | Date | Mon, 11 Oct 2004 16:59:11 +0200 | From | Pavel Machek <> | Subject | Re: 2.6.9-rc2-mm1 swsusp bug report. |
| |
Hi!
> > OTOH this is first report of this failure. If it fails once in a blue > > moon, it is probably better to let it fail than waste memory. > > PM: Attempting to suspend to disk. > PM: snapshotting memory. > swsusp: critical section: > swsusp: Saving Highmem > [nosave pfn 0x3be]<7>[nosave pfn 0x3bf]swsusp: Need to copy 30519 pages > suspend: (pages needed: 30519 + 512 free: 100469) > do_acpi_sleep: page allocation failure. order:7, mode:0x120 > [<c013a628>] __alloc_pages+0x3a8/0x3b0 > [<c013a648>] __get_free_pages+0x18/0x30 > [<c0132c37>] alloc_pagedir+0x17/0x60 > [<c0132ddb>] swsusp_alloc+0x4b/0xa0 > [<c0132e63>] suspend_prepare_image+0x33/0x80 > [<c028beda>] swsusp_arch_suspend+0x2a/0x30 > [<c0132f1b>] swsusp_suspend+0x2b/0x40 > [<c01332ad>] pm_suspend_disk+0x3d/0xb0 > [<c0131765>] enter_state+0x85/0x90 > [<c01318b1>] state_store+0xc1/0xc3 > [<c01317f0>] state_store+0x0/0xc3 > [<c01852e6>] subsys_attr_store+0x26/0x30 > [<c018548d>] flush_write_buffer+0x1d/0x30 > [<c01854c9>] sysfs_write_file+0x29/0x40 > [<c01854a0>] sysfs_write_file+0x0/0x40 > [<c0150c7f>] vfs_write+0x9f/0x100 > [<c0150d8c>] sys_write+0x3c/0x70 > [<c0105c69>] sysenter_past_esp+0x52/0x79 > suspend: Allocating pagedir failed. > swsusp: Restoring Highmem > > this happened right now, after running fine over the weekend and doing a > successful suspend/resume cycle this morning. > It was a "battery critical" suspend, so this is not nice :-( I had about > 2 minutes left until hard powerdown during which i tried to get it to > suspend but failed. Yes, userspace should handle the "failed > battery-critical suspend" case better and probably call "shutdown -h now".
Ok... And I guess it is nearly impossible to trigger this on demand, right?
I do not think I can use vmalloc easily because reallocate_pagedir depends on it being contiguous.. Switching to link list is "just a simple matter of coding", but it is going to be quite a lot of changes. Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |