----- Original Message ----- > > > ----- Original Message ----- > > I've reverted back to crash-5.1.9 and applied my kmem patch to that for > > our use here. We're using a 3.1-based kernel, and need the kmem patch > > so crash can deal with the change in CONFIG_SLAB, but we're building > > with gcc-4.4.5 and don't really need the new gdb in crash-6.0.2, and > > crash-6.0.2 is not giving module source line numbers for us with "dis -l". > > > > This is just a heads up. I don't know why 6.0.2 is failing this, and > > since I found the last module source line number problem, it's not my > > turn ;-) > > > > Bob Montgomery > > What kernel version? I'll try to reproduce it. > > BTW, you might try this patch to symbols.c: > > https://www.redhat.com/archives/crash-utility/2011-December/msg00043.html > > > I could not found out corresponding condition from gdb-7.3.1/ > > but maybe -readnow is simple and proper way for this problem. > > I've tested and got the good result. > > > > // sprintf(buf, "add-symbol-file %s 0x%lx", > > sprintf(buf, "add-symbol-file %s 0x%lx > > -readnow", > > lm->mod_namelist, section_vaddr); > > Although I still don't know why the module line-number fixes that went > into crash-6.0.1 wouldn't accomplish the same thing without the overhead > of doing it for all symbols of all modules. > > Dave So I tried to reproduce it -- at least with this 3.1-based kernel built with gcc 4.6.2: crash> help -k | grep proc_version proc_version: Linux version 3.1.7-1.fc16.x86_64 (mockbuild@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.6.2 20111027 (Red Hat 4.6.2-1) (GCC) ) #1 SMP Tue Jan 3 19:45:05 UTC 2012 crash> but module line numbers come out OK: crash> mod -s bnx2 bnx2.ko.debug MODULE NAME SIZE OBJECT FILE ffffffffa00c69c0 bnx2 75492 bnx2.ko.debug crash> dis -l bnx2_open /usr/src/debug/kernel-3.1.fc16/linux-3.1.x86_64/drivers/net/bnx2.c: 6265 0xffffffffa00c0e80 <bnx2_open>: push %rbp 0xffffffffa00c0e81 <bnx2_open+1>: mov %rsp,%rbp 0xffffffffa00c0e84 <bnx2_open+4>: push %r15 0xffffffffa00c0e86 <bnx2_open+6>: push %r14 0xffffffffa00c0e88 <bnx2_open+8>: push %r13 0xffffffffa00c0e8a <bnx2_open+10>: push %r12 0xffffffffa00c0e8c <bnx2_open+12>: push %rbx 0xffffffffa00c0e8d <bnx2_open+13>: sub $0x8,%rsp 0xffffffffa00c0e91 <bnx2_open+17>: data32 data32 data32 xchg %ax,%ax /usr/src/debug/kernel-3.1.fc16/linux-3.1.x86_64/drivers/net/bnx2.c: 6266 0xffffffffa00c0e96 <bnx2_open+22>: lea 0x740(%rdi),%r12 /usr/src/debug/kernel-3.1.fc16/linux-3.1.x86_64/drivers/net/bnx2.c: 6265 0xffffffffa00c0e9d <bnx2_open+29>: mov %rdi,%rbx ... Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
