Hi,
I was trying to use KGDB for the first time on PPC, and I set all the
*KGDB*=y on .config.
During the boot I got the following panic, and I'd like to know if someone
else hit this error before.
kgdb: Registered I/O driver kgdbts.
kgdb: Waiting for connection from remote gdb...
KGDB: re-enter exception: ALL breakpoints killed
Call Trace:
[c00000008e70ef40] [c0000000000109d8] .show_stack+0x70/0x184 (unreliable)
[c00000008e70eff0] [c0000000000bdb38] .kgdb_handle_exception+0x140/0x1220
[c00000008e70f100] [c00000000002a360] .kgdb_handle_breakpoint+0x3c/0x90
[c00000008e70f180] [c00000000046908c] .program_check_exception+0x15c/0x678
[c00000008e70f230] [c000000000004b04] program_check_common+0x104/0x180
--- Exception: 700 at .gdb_regs_to_pt_regs+0x9c/0xa4
LR = .check_and_rewind_pc+0x60/0xec
[c00000008e70f520] [c0000000003220ac] .check_and_rewind_pc+0x4c/0xec
(unreliable)
[c00000008e70f5c0] [c000000000320b70] .validate_simple_test+0x64/0x10c
[c00000008e70f640] [c0000000003214dc] .run_simple_test+0x218/0x2c8
[c00000008e70f6d0] [c000000000320cc4] .kgdbts_put_char+0x44/0x5c
[c00000008e70f750] [c0000000000bc920] .put_packet+0x124/0x22c
[c00000008e70f7f0] [c0000000000bea78] .kgdb_handle_exception+0x1080/0x1220
[c00000008e70f900] [c00000000002a360] .kgdb_handle_breakpoint+0x3c/0x90
[c00000008e70f980] [c00000000046908c] .program_check_exception+0x15c/0x678
[c00000008e70fa30] [c000000000004b04] program_check_common+0x104/0x180
--- Exception: 700 at .kgdb_breakpoint+0x18/0x38
LR = .run_breakpoint_test+0x64/0xbc
[c00000008e70fd20] [c0000000003218f0] .run_breakpoint_test+0x60/0xbc
(unreliable)
[c00000008e70fda0] [c000000000321bec] .configure_kgdbts+0x1b4/0x4fc
[c00000008e70fe50] [c00000000000952c] .do_one_initcall+0x9c/0x1c4
[c00000008e70ff00] [c000000000656c20] .kernel_init+0x1d4/0x250
[c00000008e70ff90] [c000000000028b44] .kernel_thread+0x54/0x70
Kernel panic - not syncing: Recursive entry to debugger
Call Trace:
[c00000008e70eea0] [c0000000000109d8] .show_stack+0x70/0x184 (unreliable)
[c00000008e70ef50] [c000000000072a4c] .panic+0x80/0x19c
[c00000008e70eff0] [c0000000000bdb44] .kgdb_handle_exception+0x14c/0x1220
[c00000008e70f100] [c00000000002a360] .kgdb_handle_breakpoint+0x3c/0x90
[c00000008e70f180] [c00000000046908c] .program_check_exception+0x15c/0x678
[c00000008e70f230] [c000000000004b04] program_check_common+0x104/0x180
--- Exception: 700 at .gdb_regs_to_pt_regs+0x9c/0xa4
LR = .check_and_rewind_pc+0x60/0xec
[c00000008e70f520] [c0000000003220ac] .check_and_rewind_pc+0x4c/0xec
(unreliable)
[c00000008e70f5c0] [c000000000320b70] .validate_simple_test+0x64/0x10c
[c00000008e70f640] [c0000000003214dc] .run_simple_test+0x218/0x2c8
[c00000008e70f6d0] [c000000000320cc4] .kgdbts_put_char+0x44/0x5c
[c00000008e70f750] [c0000000000bc920] .put_packet+0x124/0x22c
[c00000008e70f7f0] [c0000000000bea78] .kgdb_handle_exception+0x1080/0x1220
[c00000008e70f900] [c00000000002a360] .kgdb_handle_breakpoint+0x3c/0x90
[c00000008e70f980] [c00000000046908c] .program_check_exception+0x15c/0x678
[c00000008e70fa30] [c000000000004b04] program_check_common+0x104/0x180
--- Exception: 700 at .kgdb_breakpoint+0x18/0x38
LR = .run_breakpoint_test+0x64/0xbc
[c00000008e70fd20] [c0000000003218f0] .run_breakpoint_test+0x60/0xbc
(unreliable)
[c00000008e70fda0] [c000000000321bec] .configure_kgdbts+0x1b4/0x4fc
[c00000008e70fe50] [c00000000000952c] .do_one_initcall+0x9c/0x1c4
[c00000008e70ff00] [c000000000656c20] .kernel_init+0x1d4/0x250
[c00000008e70ff90] [c000000000028b44] .kernel_thread+0x54/0x70
Rebooting in 180 seconds..
Thanks,
Breno
PS: I am not in the mailing list, so, reply me in the e-mail.
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