Seems like a compiler issue. When I upgrade my GCC-4.5.2 to GCC-4.6.0, everything is OK. Sorry for my noise. Huacai Chen On Mon, Jun 17, 2013 at 9:10 PM, Huacai Chen <chenhc@xxxxxxxxxx> wrote: > Hi, ralf and all, > > I found that the latest upstream kernel has some problems on > Loongson-3, I want to know whether other MIPS has similar problems. > > 1, When configure with SMP but no NUMA, it complaims "schedule while atomic": > [ 0.000000] allocated 2097152 bytes of page_cgroup > [ 0.000000] please try 'cgroup_disable=memory' option if you don't > want memory cgroups > [ 0.023437] Calibrating delay loop... 717.28 BogoMIPS (lpj=1400832) > [ 0.054687] pid_max: default: 32768 minimum: 301 > [ 0.058593] Mount-cache hash table entries: 1024 > [ 0.062500] Initializing cgroup subsys memory > [ 0.066406] ------------[ cut here ]------------ > [ 0.070312] WARNING: at lib/idr.c:423 idr_preload+0x5c/0x174() > [ 0.074218] Modules linked in: > [ 0.078125] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-rc6+ #1271 > [ 0.082031] Stack : 0000000000000800 ffffffff80428ec4 > ffffffff8095fcb8 ffffffff8120d348 > ffffffff81210000 ffffffff81210000 ffffffff808c7608 ffffffff809771f7 > 00000000000001a7 ffffffff808e30c0 00000000000000d0 0000000000000000 > 0000000000000000 0000000000000000 0000000000000000 ffffffff80759bc8 > ffffffff8095fcb8 ffffffff8022b8e4 0000000000000000 ffffffff8022f17c > ffffffff80977660 ffffffff808c7608 0000000000000000 0000000000000000 > ffffffff80977600 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 ffffffff8095fc10 0000000000000000 ffffffff8022b9dc > 0000000000000000 0000000000000000 00000000000001a7 0000000000000009 > ffffffff8041e0b4 ffffffff8020977c ffffffff808e30c0 ffffffff8022b9dc > ... > [ 0.152343] Call Trace: > [ 0.152343] [<ffffffff8020977c>] show_stack+0x48/0x70 > [ 0.156250] [<ffffffff8022b9dc>] warn_slowpath_common+0x78/0xa4 > [ 0.160156] [<ffffffff8041e0b4>] idr_preload+0x5c/0x174 > [ 0.164062] [<ffffffff8028632c>] get_new_cssid+0x50/0xec > [ 0.167968] [<ffffffff80288788>] cgroup_init_idr+0x30/0x6c > [ 0.171875] [<ffffffff811c7954>] cgroup_init+0x90/0x1dc > [ 0.175781] [<ffffffff811bca40>] start_kernel+0x4f4/0x554 > [ 0.179687] > [ 0.179687] ---[ end trace 554a547e6319cb64 ]--- > [ 0.183593] Initializing cgroup subsys blkio > [ 0.187500] Checking for the daddi bug... no. > [ 0.191406] BUG: scheduling while atomic: swapper/0/0/0xffc60201 > [ 0.195312] Modules linked in: > [ 0.195312] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W > 3.10.0-rc6+ #1271 > [ 0.199218] Stack : 0000000000000800 ffffffff80428ec4 > ffffffff8095fcc8 ffffffff8120d348 > ffffffff81210000 ffffffff81210000 ffffffff808c7608 ffffffff809771f7 > 0000000000000001 ffffffff811c0000 0000000000000001 ffffffff808cc820 > ffffffff811c0000 ffffffff811fa420 98000000059c6420 ffffffff80759bc8 > ffffffff8095fcc8 ffffffff8022b85c 0000000000000000 ffffffff8022f17c > ffffffff80977660 ffffffff808c7608 0000000000000000 0000000000000000 > ffffffff80977600 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 ffffffff8095fc20 0000000000000000 ffffffff80256010 > 0000000000000000 0000000000000000 000000001400cce3 ffffffff811fa420 > ffffffff80972fe8 ffffffff8020977c ffffffff811c0000 ffffffff80256010 > ... > [ 0.269531] Call Trace: > [ 0.269531] [<ffffffff8020977c>] show_stack+0x48/0x70 > [ 0.273437] [<ffffffff80256010>] __schedule_bug+0x44/0x64 > [ 0.277343] [<ffffffff8075b7d0>] __schedule+0xb8/0x6dc > [ 0.281250] [<ffffffff8075c248>] schedule_preempt_disabled+0x18/0x30 > [ 0.285156] [<ffffffff80749e98>] rest_init+0x7c/0x8c > [ 0.289062] [<ffffffff811bca84>] start_kernel+0x538/0x554 > > 2, when both SMP and NUMA configured, it complaims "early out of memory": > [ 0.000000] CPU revision is: 00006305 (ICT Loongson-3A) > [ 0.000000] FPU revision is: 00770501 > [ 0.000000] Checking for the multiply/shift bug... no. > [ 0.000000] Checking for the daddiu bug... no. > [ 0.000000] Determined physical RAM map: > [ 0.000000] memory: 000000000fe00000 @ 0000000000200000 (usable) > [ 0.000000] memory: 0000000070000000 @ 0000000110000000 (usable) > [ 0.000000] Initrd not found or empty - disabling initrd > [ 0.000000] software IO TLB [mem 0x03a60000-0x07a60000] (64MB) > mapped at [9800000003a60000-9800000007a5ffff] > [ 0.000000] Zone ranges: > [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] > [ 0.000000] Normal [mem 0x100000000-0x17fffffff] > [ 0.000000] Movable zone start for each node > [ 0.000000] Early memory node ranges > [ 0.000000] node 0: [mem 0x01000000-0x0fffffff] > [ 0.000000] node 0: [mem 0x110000000-0x17fffffff] > [ 0.000000] Detected 3 available secondary CPU(s) > [ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes. > [ 0.000000] Primary data cache 64kB, 4-way, VIPT, no aliases, > linesize 32 bytes > [ 0.000000] Unified secondary cache 4096kB 4-way, linesize 32 bytes. > [ 0.000000] PERCPU: Embedded 3 pages/cpu @9800000007adc000 s11968 > r8192 d28992 u49152 > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. > Total pages: 129603 > [ 0.000000] Policy zone: Normal > [ 0.000000] Kernel command line: console=tty console=ttyS0,115200 > root=/dev/sda5 PMON_VER=A1101-3.1.8 EC_VER=undefined > machtype=lemote-3a-itx-a1101 autoplug=off > [ 0.000000] PID hash table entries: 4096 (order: 1, 32768 bytes) > [ 0.000000] total ram pages initialed 0 > [ 0.000000] total ram pages are 123261 > [ 0.000000] Kernel panic - not syncing: Oh boy, that early out of memory? > > 3, If I revert the commit ad04c2e9 (MIPS: Use inline function to > access current thread pointer), everything is OK. > > If other MIPS have no problem, could anyone give me some suggestions? > Kernel code of Loongson-3 is here: > http://dev.lemote.com/cgit/linux-official.git/ > > Thanks, > Huacai Chen
