http://bugzilla.kernel.org/show_bug.cgi?id=11963
------- Comment #3 from [EMAIL PROTECTED] 2008-11-06 13:16 -------
While trying to figure out that other bug I briefly alluded to (that AHCI
doesn't work after the first resume), I noticed that the system is already in a
very bad state even after the first resume, so it might not be very surprising
that the second suspend goes bad.
In particular, both ahci and e1000e are broken after the first resume. After
enabling AHCI and e1000e in the kernel build, and going into suspend the first
time (echo mem > /sys/power/state), ahci prints errors like this on resume:
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x100)
ata1.00: revalidation failed (errno=-5)
ata2.00: failed to IDENTIFY (I/O error, err_mask=0x100)
ata2.00: revalidation failed (errno=-5)
[[ 5 seconds later.. ]]
Clocksource tsc unstable (delta = -499994004 ns)
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2.00: failed to IDENTIFY (I/O error, err_mask=0x100)
ata2.00: revalidation failed (errno=-5)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x100)
ata1.00: revalidation failed (errno=-5)
[[ 5 seconds later.. ]]
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x100)
ata1.00: revalidation failed (errno=-5)
ata1.00: disabled
ata2.00: failed to IDENTIFY (I/O error, err_mask=0x100)
ata2.00: revalidation failed (errno=-5)
ata2.00: disabled
ata2: exception Emask 0x60 SAct 0x0 SErr 0x800 action 0x6 frozen t4
ata2: irq_stat 0x20000000, host bus error
ata2: SError: { HostInt }
ata2: hard resetting link
ata1: exception Emask 0x60 SAct 0x0 SErr 0x800 action 0x6 frozen t4
ata1: irq_stat 0x20000000, host bus error
ata1: SError: { HostInt }
ata1: hard resetting link
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1: EH complete
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2: EH complete
sd 0:0:0:0: [sda] START_STOP FAILED
sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
driverbyte=DRIVER_OK,SUGGEST_OK
PM: Device 0:0:0:0 failed to resume: error 262144
e1000e hardware doesn't seem to be transmitting for some reason either:
0000:00:19.0: eth0: Detected Tx Unit Hang:
TDH <0>
TDT <3>
next_to_use <3>
next_to_clean <0>
buffer_info[next_to_clean]:
time_stamp <fffc91ef>
next_to_watch <0>
jiffies <fffc9ba8>
next_to_watch.status <0>
ifconfig eth0 reports no packets going in or out of the interface, although
/proc/interrupts shows interrupts coming in for eth0 periodically.
The only other thing that looks out-of-ordinary in dmesg output around
suspend/resume to me is the following, during resume:
ACPI: EC: non-query interrupt received, switching to interrupt mode
Unfortunately the fact that I have neither disk nor network makes it difficult
to extract any significant amount of logs from the machine; I just typed up the
above.
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