[pso] [tema3 linux]Eroare in submit_bio

[Florin Antonescu]

Cum trebuie procedat dupa ce am citit sectoarele de pe disc si am calculat crc-ul? Am incercat sa retrimit bio-urile respective insa imi da urmatoarea eroare. Mentionez ca primesc aceasta eroare chiar daca clonez bio-urile si le modific parametrii. Intrebarea mea este cum scriu noile crc-uri?

Eroarea este urmaoarea:
kernel BUG at block/ll_rw_blk.c:3364!
invalid opcode: 0000 [#1] PREEMPT DEBUG_PAGEALLOC
Modules linked in: ssr netconsole pcnet32 ide_cd crc32 cdrom

Pid: 2573, comm: bio_thread Not tainted (2.6.24.2 #14)
EIP: 0060:[<c021075d>] EFLAGS: 00010246 CPU: 0
EIP is at submit_bio+0x7d/0x100
EAX: 00000001 EBX: c6751918 ECX: 00000001 EDX: 00000000
ESI: c67518c0 EDI: c6751918 EBP: c4883f40 ESP: c4883ef4
 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
Process bio_thread (pid: 2573, ti=c4883000 task=c67e1580 task.ti=c4883000)
Stack: c787dd08 c67511e0 c6751238 c4883f70 c67e1580 00000202 c4883f70 c0474870
       c03b712c c4883f34 c022dad2 00000000 00000001 c4883f70 c67518c0 c6751238
       c6751918 c67518c0 c6751238 c4883fcc c884c820 c487dbe8 00000238 00000001
Call Trace:
 [<c0103d3a>] show_trace_log_lvl+0x1a/0x30
 [<c0103df9>] show_stack_log_lvl+0xa9/0xd0
 [<c0103eea>] show_registers+0xca/0x250
 [<c0104190>] die+0x120/0x240
 [<c032b621>] do_trap+0x91/0xc0
 [<c0104599>] do_invalid_op+0x89/0xa0
 [<c032b3e2>] error_code+0x6a/0x70
 [<c884c820>] do_bio+0x490/0x4d0 [ssr]
 [<c012a582>] kthread+0x42/0x70
 [<c0103917>] kernel_thread_helper+0x7/0x10
 =======================
Code: 00 f0 ff ff 8b 40 08 a8 04 0f 85 91 00 00 00 a1 c0 ff 66 c0 85 c0 75 2d 89
 f8 e8 3f fd ff ff 83 c4 40 5b 5e 5f 5d c3 85 d2 75 a3 <0f> 0b eb fe b8 01 00 00
 00 e8 a5 2e f0 ff 01 1d c0 01 67 c0 eb
EIP: [<c021075d>] submit_bio+0x7d/0x100 SS:ESP 0068:c4883ef4

Florin





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