Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: Regression in 2.6.28-rc and 2.6.27-stable - hibernate related | Date | Sun, 23 Nov 2008 19:14:09 +0100 |
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On Sunday, 23 of November 2008, Fabio Comolli wrote: > Hi. > As the subject says, I have a strange regression in latest git. > Sometimes resume from hibernating hangs _after_ the resume stage. > When the problem happens I usually have to powercycle my laptop. > > The system managed to recover from the hang only twice and this time I > found in the logs: > > Nov 23 16:43:14 hawking kernel: sd 0:0:0:0: [sda] Starting disk > Nov 23 16:43:14 hawking kernel: Restarting tasks ... done. > Nov 23 16:43:52 hawking kernel: ata1.01: exception Emask 0x0 SAct 0x0 > SErr 0x0 action 0x6 frozen > Nov 23 16:43:52 hawking kernel: ata1.01: cmd > a0/00:00:00:00:00/00:00:00:00:00/b0 tag 0 > Nov 23 16:43:52 hawking kernel: cdb 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 > Nov 23 16:43:52 hawking kernel: res > 40/00:03:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout) > Nov 23 16:43:52 hawking kernel: ata1.01: status: { DRDY } > Nov 23 16:43:52 hawking kernel: ata1: soft resetting link > Nov 23 16:43:57 hawking kernel: ata1.01: qc timeout (cmd 0xa1) > Nov 23 16:43:57 hawking kernel: ata1.01: failed to IDENTIFY (I/O > error, err_mask=0x4) > Nov 23 16:43:57 hawking kernel: ata1.01: revalidation failed (errno=-5) > Nov 23 16:43:57 hawking kernel: ata1: soft resetting link > Nov 23 16:44:08 hawking kernel: ata1.01: qc timeout (cmd 0xa1) > Nov 23 16:44:08 hawking kernel: ata1.01: failed to IDENTIFY (I/O > error, err_mask=0x4) > Nov 23 16:44:08 hawking kernel: ata1.01: revalidation failed (errno=-5) > Nov 23 16:44:08 hawking kernel: ata1: soft resetting link > Nov 23 16:44:38 hawking kernel: ata1.00: configured for UDMA/100 > Nov 23 16:44:38 hawking kernel: ata1.01: configured for MWDMA2 > Nov 23 16:44:38 hawking kernel: ata1: EH complete > Nov 23 16:44:39 hawking kernel: sd 0:0:0:0: [sda] 156301488 512-byte > hardware sectors: (80.0 GB/74.5 GiB) > Nov 23 16:44:39 hawking kernel: sd 0:0:0:0: [sda] Write Protect is off > Nov 23 16:44:39 hawking kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 > Nov 23 16:44:39 hawking kernel: sd 0:0:0:0: [sda] Write cache: > enabled, read cache: enabled, doesn't support DPO or FUA > Nov 23 16:44:39 hawking kernel: sd 0:0:0:0: [sda] 156301488 512-byte > hardware sectors: (80.0 GB/74.5 GiB) > Nov 23 16:44:39 hawking kernel: sd 0:0:0:0: [sda] Write Protect is off > Nov 23 16:44:39 hawking kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 > Nov 23 16:44:39 hawking kernel: sd 0:0:0:0: [sda] Write cache: > enabled, read cache: enabled, doesn't support DPO or FUA > > This problem: > > * never happened in 2.6.27.4 > * happened many times in 2.6.27.5 and .6 > * never happened in 2.6.27.7
Please test 2.6.27.7 a bit more. It would be helpful to verify it's OK.
> * happened the first time with the current -rc series just now (the > logs are related to this one) > > This is the first 2.6.28-rc kernel I tried.
Do you mean 2.6.28-rc6?
Rafael
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