https://bugzilla.kernel.org/show_bug.cgi?id=95591
Bug ID: 95591
Summary: SBS driver very often stalls boot when built into the
kernel, fine as a module however
Product: ACPI
Version: 2.5
Kernel Version: 4.0.0-r5
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Battery
Assignee: [email protected]
Reporter: [email protected]
Regression: No
When compiling the sbs modules into the kernel, the system very often stalls
when booting.
[ 0.632142] ACPI: AC Adapter [ADP1] (off-line)
[ 0.632224] input: Lid Switch as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
[ 0.632261] ACPI: Lid Switch [LID0]
[ 0.632307] input: Power Button as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
[ 0.632336] ACPI: Power Button [PWRB]
[ 0.632381] input: Sleep Button as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2
[ 0.632410] ACPI: Sleep Button [SLPB]
[ 0.632454] input: Power Button as
/devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
[ 0.632480] ACPI: Power Button [PWRF]
[ 0.632785] ACPI: SBS HC: EC = 0xffff880265ba0e80, offset = 0x20, query_bit
= 0x10
[ 1.098896] random: nonblocking pool is initialized
[ 1.603738] tsc: Refined TSC clocksource calibration: 2400.000 MHz
[ 2.604593] Switched to clocksource tsc
[ 529.576106] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 529.576646] Non-volatile memory driver v1.3
[ 529.578082] Linux agpgart interface v0.103
Very occasionally however (1-10 boots, completly random if cold boot or reboot)
sbs boots normally.
[ 0.631947] ACPI: AC Adapter [ADP1] (off-line)
[ 0.632028] input: Lid Switch as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
[ 0.632066] ACPI: Lid Switch [LID0]
[ 0.632112] input: Power Button as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
[ 0.632142] ACPI: Power Button [PWRB]
[ 0.632187] input: Sleep Button as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2
[ 0.632216] ACPI: Sleep Button [SLPB]
[ 0.632262] input: Power Button as
/devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
[ 0.632287] ACPI: Power Button [PWRF]
[ 0.632593] ACPI: SBS HC: EC = 0xffff880265ba0e80, offset = 0x20, query_bit
= 0x10
[ 0.669114] ACPI: Smart Battery System [SBS0]: Battery Slot [BAT0] (battery
present)
[ 0.669227] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.669781] Non-volatile memory driver v1.3
[ 0.669802] Linux agpgart interface v0.103
I've started to experience this when building 3.18, but I wouldn't be supprised
if this bug is older then that; most/all distro kernels have this as a module.
All works fine with everything built into the kernel (except for sbs/sbshc.
I booted the kernel with the debug flag, but didn't get anything extra on this
bit.
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