https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285676
Bug ID: 285676
Summary: bhnd_nvram/bhnd_nvram_io_read(?) panics on
device_attach
Product: Base System
Version: CURRENT
Hardware: arm64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
This wasn't the case in the past with 15/main; the card has been in there for a
year or so...
bhnd0: <BCM43224 BCMA bus> on bhndb0
bcma_erom_next_corecfg erom[0x8]: core0: Broadcom ChipCommon I/O Controller
(cid=800, rev=34, unit=0)
bcma_erom_next_corecfg erom[0x1c]: core1: Broadcom 802.11 MAC/PHY/Radio
(cid=812, rev=23, unit=0)
bcma_erom_next_corecfg erom[0x30]: core2: Broadcom PCIe Bridge (cid=820,
rev=15, unit=0)
bcma_erom_next_corecfg erom[0x60]: core3: ARM BP135 AMBA3 AXI to APB Bridge
(cid=135, rev=0, unit=0)
bcma_erom_next_corecfg erom[0x70]: core4: ARM BP135 AMBA3 AXI to APB Bridge
(cid=135, rev=0, unit=1)
bcma_erom_next_corecfg erom[0x84]: core5: ARM PL367 OOB Interrupt Router
(cid=367, rev=0, unit=0)
bcma_erom_next_corecfg erom[0x90]: core6: ARM PL366 Device Enumeration ROM
(cid=366, rev=0, unit=0)
bcma_erom_next_corecfg erom[0x9c]: core7: ARM PL301 AMBA3 Interconnect
(cid=301, rev=0, unit=0)
bcma_erom_next_corecfg erom[0xa8]: core8: ARM Unmapped Address Ranges (cid=fff,
rev=0, unit=0)
bhnd_chipc0: <Broadcom ChipCommon I/O Controller, rev 34> mem
0x18000000-0x18000fff,0x18100000-0x18100fff irq 0 at core 0 on bhnd0
bhnd_chipc0: MIPSEB: no | BP64: yes
bhnd_chipc0: UARTs: 0 | UGPIO: no
bhnd_chipc0: UARTClk: 0x00 | Flash: 0
bhnd_chipc0: SPROM: yes | OTP: yes
bhnd_chipc0: CFIsz: 0x00 | OTPsz: 0x02
bhnd_chipc0: ExtBus: 0x00 | PwrCtrl: no
bhnd_chipc0: PLL: 0x00 | JTAGM: yes
bhnd_chipc0: PMU: yes | ECI: no
bhnd_chipc0: SECI: no | GSIO: no
bhnd_chipc0: AOB: no | BootROM: no
bhnd_nvram0: <SPROM/OTP> mem 0x18000800-0x18000bff on bhnd_chipc0
Fatal data abort:
x0: 0x0000000000000000
x1: 0xffff000131df4800
x2: 0x0000000000000000
x3: 0xffff000130d51c50
x4: 0x0000000000000040
x5: 0x0000000000000040
x6: 0x000000000000003f
x7: 0x0000000000000000
x8: 0xffff000131df4800
x9: 0xffff000000d5cb70 (memmap_bus + 0x0)
x10: 0x0000000000000000
x11: 0x0000000000000800
x12: 0x0000000000000000
x13: 0x0000000000000006
x14: 0x0000002f9af14000
x15: 0xffff000001099e00 (w_locklistdata + 0x3dd38)
x16: 0xffff0001d40a9438 (bhnd_nvram_iores_read + 0x0)
x17: 0xffff0001d40a8b10 ($x + 0x0)
x18: 0xffff000130d51bf0
x19: 0xffff000130d51c50
x20: 0xffff0001d4079e70 (bhnd_nvram_crc8_tab + 0x0)
x21: 0xffffa02030e1e640
x22: 0x0000000000000000
x23: 0xffff0001d40cca08 (bhnd_sprom_layouts + 0x0)
x24: 0x00000000000000ff
x25: 0x0000000000000080
x26: 0x0000000000000080
x27: 0xffff0000009e4949 (notify.prefix + 0x3ca48)
x28: 0x0000000000000000
x29: 0xffff000130d51bf0
sp: 0xffff000130d51bf0
lr: 0xffff0001d40a9564 (bhnd_nvram_iores_read + 0x12c)
elr: 0x0000000000000000
spsr: 0x0000000060000005
far: 0x0000000000000000
esr: 0x0000000086000004
panic: vm_fault failed: 0x0 error 1
cpuid = 4
time = 1743006472
KDB: stack backtrace:
db_trace_self() at db_trace_self
db_trace_self_wrapper() at db_trace_self_wrapper+0x38
vpanic() at vpanic+0x1a0
panic() at panic+0x48
data_abort() at data_abort+0x28c
handle_el1h_sync() at handle_el1h_sync+0x18
--- exception, esr 0x86000004
(null)() at 0
bhnd_nvram_sprom_ident() at bhnd_nvram_sprom_ident+0xfc
bhnd_nvram_sprom_new() at bhnd_nvram_sprom_new+0x20
bhnd_nvram_data_new() at bhnd_nvram_data_new+0x60
bhnd_nvram_store_parse_new() at bhnd_nvram_store_parse_new+0x24
bhnd_sprom_attach() at bhnd_sprom_attach+0xe8
chipc_sprom_attach() at chipc_sprom_attach+0xb4
device_attach() at device_attach+0x4c0
bus_attach_children() at bus_attach_children+0x5c
chipc_attach() at chipc_attach+0xfc4
device_attach() at device_attach+0x4c0
bhnd_bus_probe_children() at bhnd_bus_probe_children+0x54
bhnd_generic_attach() at bhnd_generic_attach+0x40
bcma_bhndb_attach() at bcma_bhndb_attach+0x20
device_attach() at device_attach+0x4c0
bus_attach_children() at bus_attach_children+0x5c
bhndb_pci_attach() at bhndb_pci_attach+0x994
device_attach() at device_attach+0x4c0
bhndb_attach_bridge() at bhndb_attach_bridge+0x30
bwn_pci_attach() at bwn_pci_attach+0x54
device_attach() at device_attach+0x4c0
pci_driver_added() at pci_driver_added+0x110
devclass_driver_added() at devclass_driver_added+0x48
device_do_deferred_actions() at device_do_deferred_actions+0x74
devctl2_ioctl() at devctl2_ioctl+0x1bc
devfs_ioctl() at devfs_ioctl+0x100
vn_ioctl() at vn_ioctl+0xbc
devfs_ioctl_f() at devfs_ioctl_f+0x24
kern_ioctl() at kern_ioctl+0x2e4
sys_ioctl() at sys_ioctl+0x140
do_el0_sync() at do_el0_sync+0x608
handle_el0_sync() at handle_el0_sync+0x4c
--- exception, esr 0x56000000
KDB: enter: panic
[ thread pid 129 tid 100267 ]
Stopped at kdb_enter+0x48: str xzr, [x19, #2048]
(gdb) l *bhnd_nvram_sprom_ident+0xfc
0x4b958 is in bhnd_nvram_sprom_ident
(/usr/src/sys/dev/bhnd/nvram/bhnd_nvram_data_sprom.c:215).
210 while (nread > 0) {
211 size_t nr;
212
213 nr = bhnd_nv_ummin(nread, sizeof(buf));
214
215 if ((error = bhnd_nvram_io_read(io, nbytes,
buf, nr)))
216 return (error);
217
218 crc = bhnd_nvram_crc8(buf, nr, crc);
219 crc_valid = (crc == BHND_NVRAM_CRC8_VALID);
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