2010-09-06 21:58:36 process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93198

hi :

when i writed files into the harddisk , my process was killed. it seen that there was no enough memory to be used. my test code as following :

#define PTH_NUM 32

static unsigned int pth_para[PTH_NUM];

static unsigned int file_num[PTH_NUM];

void * pthread_fun (void * para)

{

FILE * fd;

int count;

int len;

char buf[128];

unsigned int id;

if (! para) return NULL;

id = * (unsigned int *) para;

printf("pthread id : %02d\n", id);

if(id >= PTH_NUM) return NULL;

file_num[id] = 0;

while(1) {

snprintf(buf, 128, "/mnt/%02d_test%06d", id, file_num[id]);

file_num[id]++;

fd = fopen(buf, "wb");

if (! fd) {

perror("open file");

return NULL;

}

count = 0;

snprintf(buf, 128, "test data | ");

len = strlen(buf);

rewind(fd);

while (1) {

fwrite(buf, 1, len, fd);

count += len;

if((count % 120) == 0) {

fprintf(fd, "\n");

}

if (count >= 64 * 1024 * 1024) {

break;

}

fclose(fd);

}

return 0;

}

int main (int argc, char **argv)

{

int i;

pthread_t tid[PTH_NUM];

for (i = 0; i < PTH_NUM; i++) {

pth_para[i] = i;

pthread_create (&tid[i], NULL, pthread_fun, &pth_para[i]);

}

while(1) {

sleep(5);

}

return 0;

}

i don't use the dynamic memory , why the memory was lost too much? is it writing data too fast here????

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2010-09-07 00:18:36 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93199

Which blackfin board do you use? What is the error log when the process is killed?

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2010-09-07 01:05:44 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93201

BF533-EZKIT, 2008R1, no error information was printed. the hard disk indicator is always in the light 。so i think the hardisk not work well except reseting. and all the command in shell can't run any more, they were killed at once.

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2010-09-07 01:52:15 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93202

Could you update to 2009R1.1? 2008R1 is out of date.

If you run all thread in sequence, you may avoid the out of memory issue. Otherwise, 64M bytes * 32 files * 32 threads consume too much VFS buffers concurrently.

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2010-09-08 00:22:23 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93229

i test it last night again, and printing following message now.

EXT2-fs error (device hda1): read_block_bitmap: Cannot read block bitmap - block_group = 0, block_bitmap = 11

end_request: I/O error, dev hda, sector 151

end_request: I/O error, dev hda, sector 63

EXT2-fs error (device hda1): read_block_bitmap: Cannot read block bitmap - block_group = 0, block_bitmap = 11

end_request: I/O error, dev hda, sector 63

EXT2-fs error (device hda1): read_block_bitmap: Cannot read block bitmap - block_group = 0, block_bitmap = 11

end_request: I/O error, dev hda, sector 63

EXT2-fs error (device hda1): read_block_bitmap: Cannot read block bitmap - block_group = 0, block_bitmap = 11

end_request: I/O error, dev hda, sector 63

it seens that the hardware had something wrong, is it right?? can you give me some advice?

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2010-09-08 02:10:38 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93234

This doesn't look like a out of memory issue. Check your disk driver.

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2010-09-08 07:56:37 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93260

where can download the latest driver ?

by the way , why my browser can't display the post button?????

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2010-09-09 00:09:41 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93276

Use firefox other than IE

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2010-09-09 10:13:49 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93302

the ide driver doesn't support the samsung hardisk, the other hardisk works well. i don't know the difference between them.

can you give me some information ?

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2010-09-13 09:38:10 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93383

now, if i do nothing, the process writing the hadisk runs well. but if there are many documents in de harddisk and i do the "ls" command, the writing process was killed sometimes. i know the "ls" command needs a lots of memory and the memory is very nervous, so the system will invoke the swap process . i just have a question, this case is normal? if not, what should i do? thanks.

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2010-09-14 00:32:07 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93396

Don't write so many files concurrently or don't run ls at the same time.

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2010-09-15 23:26:00 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93479

does 2008r1-8 toolchain support the large file option in default ??

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2010-09-16 00:17:48 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93481

large file support is included in uClibc full rpm package. Which uClibc rpm did you install?

In addition, 2008R1 is not supported any more. Please upgrade to 2009R1.1.

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2010-09-16 00:28:04 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93482

i am using blackfin-toolchain-uclibc-full-08rl-8 now , i just want to upgrade the toolchain to 2009R1.1, the kernel also use the 2008R1, is it OK?

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2010-09-16 01:31:05 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93483

No. See docs.blackfin.uclinux.org/doku.php?id=faq

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2010-09-16 21:44:45 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93517

i can't open the link. i need your help, please give me some advice.

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2010-09-17 00:20:11 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93521

The link says you should use the same toolchain and Linux distribution release. Such as 2009R1.1.

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2010-09-17 22:17:03 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93568

Hi , sonic

i catched the following message by using "dmesg" command :

EXT2-fs error (device hda1): read_block_bitmap: Cannot read block bitmap - block_group = 419, block_bitmap = 13729803

end_request: I/O error, dev hda, sector 109838487

end_request: I/O error, dev hda, sector 63

EXT2-fs error (device hda1): read_block_bitmap: Cannot read block bitmap - block_group = 419, block_bitmap = 13729803

end_request: I/O error, dev hda, sector 109838487

end_request: I/O error, dev hda, sector 63

EXT2-fs error (device hda1): read_block_bitmap: Cannot read block bitmap - block_group = 419, block_bitmap = 13729803

end_request: I/O error, dev hda, sector 109838487

end_request: I/O error, dev hda, sector 63

EXT2-fs error (device hda1): read_block_bitmap: Cannot read block bitmap - block_group = 419, block_bitmap = 13729803

Out of memory: kill process 213 (sport_test) score 45 or a child

Killed process 213 (sport_test)

Out of memory: kill process 208 (sh) score 13 or a child

Killed process 208 (sh)

end_request: I/O error, dev hda, sector 109576367

end_request: I/O error, dev hda, sector 63

which case will lead to invoke breath function failed ? the problem puzzle me long time, please help me, thanks

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2010-09-17 22:20:15 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93569

Sorry, thar is bread function.

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2010-09-17 22:24:57 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93570

read_block_bitmap sb_bread function

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2010-09-20 02:18:18 Re: process was killed when writing the hardisk

Sonic Zhang (CHINA)

Message: 93624

May be problem in your disk driver. Try the same operation on a USB storage device first.

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2010-09-21 03:34:06 Re: process was killed when writing the hardisk

steven O (AFGHANISTAN)

Message: 93693

i use the mke2fs to format the /dev/hda1, if the space of hda1 less than 2G. the operation run successfully. if not, the operation failed. it seems that the uClibc don't support the LFS option. but the uClibc spportted LFS option in default. why ?

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2010-09-06 21:58:36 process was killed when writing the hardisk