crash> dis -l __mutex_lock_slowpath |head -12/usr/src/debug/kernel-3.10.0-957.27.2.el7/linux-3.10.0-957.27.2.el7.x86_64/kernel/mutex.c:7710xffffffff8a768cf0<__mutex_lock_slowpath>: nopl0x0(%rax,%rax,1) [FTRACENOP]0xffffffff8a768cf5<__mutex_lock_slowpath+5>:push%rbp0xffffff...
printk(KERN_ERR "%s: error: j_commit_request=%d, tid=%d\n", __func__, journal->j_commit_request, tid); } #endif while (tid_gt(tid, journal->j_commit_sequence)) {---只要当前tid大于j_commit_sequence jbd_debug(1, "JBD2: want %d, j_commit_sequence=%d\n", tid, journal->j_c...
再往下面调用链看: crash>dis-l__mutex_lock_slowpath|head-12/usr/src/debug/kernel-3.10.0-957.27.2.el7/linux-3.10.0-957.27.2.el7.x86_64/kernel/mutex.c:7710xffffffff8a768cf0<__mutex_lock_slowpath>:nopl0x0(%rax,%rax,1)[FTRACENOP]0xffffffff8a768cf5<__mutex_lock_slowpath+5>:push%rb...
0x5 Revocation Block Table 2 Now let’s have a look at each block type in detail. Journal Superblock The journal superblock is the 1st block in the journal log, and it holds important metadata information. Copy code snippet Copied to Clipboard Error: Could not Copy Copied to Clipboard Erro...
]JBD2: Error while async write back metadata bh 26214407.[127433.300674]JBD2: Error while async write back metadata bh 26214405.[127433.301042]JBD2: Error while async write back metadata b 浏览0提问于2021-08-17得票数 0 回答已采纳 5回答 ...
/* Soft abort: record the abort error status in the journal superblock, * but don't do any other IO. */ static void __journal_abort_soft (journal_t *journal, int errno) { int old_errno;write_lock(&journal->j_state_lock);
ext4_std_error(sb, err); 啊哈,就是它了,由于i_sync_tid和i_datasync_tid都没有正确赋值,所以带上了默认的0值,一路传给ext4_sync_file,而后面的__jbd2_log_start_commit又误认为0是一个要提交的新事务(其实此时还没有把当前事务挂到running_transaction上去),所以错误了。打上这个patch,再走重现步骤ker...
error_out: read_unlock(&journal->j_state_lock); out: returnresult; } @@ -626,14 +621,16 @@ int jbd2_journal_extend(handle_t *handle, int nblocks) intjbd2__journal_restart(handle_t*handle,intnblocks,gfp_tgfp_mask) { transaction_t*transaction=handle->h_transaction; ...
If the log file cannot be created or is not writable, output is written to the standard error instead. When running in shared library mode, and diagnostic information will be written into the pmcd log file, namely $PCP_LOG_DIR/pmcd/pmcd.log. -j Allows an alternate path to the ...
printk(KERN_ERR "JBD2: journal checksum error\n"); err = -EFSBADCRC; return err; @@ -1611,12 +1603,10 @@ static journal_t *journal_init_common(struct block_device *bdev, return journal; err_cleanup: percpu_counter_destroy(&journal->j_checkpoint_jh_count); ...