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SubjectRe: [2.1.89] process hanging in diskread
From
Date
Marcus Meissner <msmeissn@cip.informatik.uni-erlangen.de> writes:

> Hi,
>
> Just before I switched off my computer yesterday evening I noticed a process
> hanging. (Linux 2.1.89, gcc 2.7.2.1, libc5, Pentium 133, 32MB Ram, 64MB swap,
> Adaptec 2940U,swap is splitted in two 32MB sections, one on a 1GB IBM
> DPES-31080 and one on a 2 GB IBM DORS-xxxxxx).

Similiar problem here with pgcc, libc6, Dual PPro200, 128MB, 256MB swap,
Adaptec 2940UW, Quantum Atlas + Atlas II:
Compiling with make -j4 leads to hanging gcc or ldd processes in D state.

> The process is the rc564 challange Linux client, running with nice 19.
> The process was hanging solidly for 8 hours judging from its last log
> entries. It refused to be killed by SIGINT and SIGKILL, and to be attached
> by strace -p.
> I've spent the whole afternoon debugging 'wine' (large, memory and
> diskintensive), so the rc564 process could have been swapped out completely
> (and was, judging from VmRSS).
>
> I've been using the same configuration (kernel,process runs,etc.) for the
> last 20 releases with no hanging rc564.
>
> I've noticed no errormessages in the logfiles.
>
> I couldn't reproduce it, sorry.
>
>
> marcus@jet:/proc/307 > cat status
> Name: rc564
> State: D (disk sleep)
> Pid: 307
> PPid: 185
> Uid: 500 500 500 500
> Gid: 100 100 100 100
> VmSize: 600 kB
> VmLck: 0 kB
> VmRSS: 0 kB
> VmData: 32 kB
> VmStk: 12 kB
> VmExe: 272 kB
> VmLib: 0 kB
> SigPnd: 0000000000000002
> SigBlk: 0000000000000000
> SigIgn: 0000000080000000
> SigCat: 0000000000004007
> marcus@jet:/proc/307 > cat statm
> 15 0 0 0 0 0 0
> marcus@jet:/proc/307 > cat stat
> 307 (rc564) D 185 307 185 1030 307 1048576 166 0 465 0 822459 1282 0 0 19 19 -1
> 0 75056 614400 0 2147483647 134512640 134789440 3221223280 3221222872 134617672
> 0000000000000002 0000000000000000 0000000080000000 0000000000004007 3222384359 43 0
> marcus@jet:/proc/307 > ps aux|grep rc5
> marcus 307 21.5 0.0 600 0 6 DWN 14:13 137:17 rc564
> marcus@jet:/proc/307 >
>
> (I've forgot my .config at home, but will supply it if needed).
>
> Ciao, Marcus
>
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>

--
Juergen Kreileder, Universitaet Dortmund, Lehrstuhl Informatik V
Baroper Strasse 301, D-44221 Dortmund, Germany
Phone: ++49 231/755-5806, Fax: ++49 231/755-5802

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