[arch-general] sendfax: 460 Failed to submit job 110: Unable to open scheduler FIFO: No such device or address.
All, After recent updates, hylafax/sendfax fails with the error: sendfax: 460 Failed to submit job 110: Unable to open scheduler FIFO: No such device or address. it had been working find up until the last week or two. Reverting to the LTS kernel resolves the issue. There are no obvious errors in the journal. Does anyone know why sendfax would begin failing with "Unable to open scheduler FIFO: No such device or address." with the current kernel, but work fine on LTS? (I have confirmed this behavior on two separate Arch servers) -- David C. Rankin, J.D.,P.E.
On 09/26/2018 05:25 PM, David C. Rankin wrote:
All,
After recent updates, hylafax/sendfax fails with the error:
sendfax: 460 Failed to submit job 110: Unable to open scheduler FIFO: No such device or address.
it had been working find up until the last week or two. Reverting to the LTS kernel resolves the issue. There are no obvious errors in the journal.
Does anyone know why sendfax would begin failing with "Unable to open scheduler FIFO: No such device or address." with the current kernel, but work fine on LTS?
(I have confirmed this behavior on two separate Arch servers)
The last successful outbound fax before this failure began was 9/19. Since that time the only relevant updates have been: linux (4.18.8.arch1-1 -> 4.18.9.arch1-1) hylafax (6.0.6-8 -> 6.0.7-1) Since hylafax 6.0.7-1 works fine with LTS, that points to linux 4.18.9 being the problem. What would I check to determine why sendfax is unable to open scheduler FIFO (No such device or address) when running on linux 4.18.9? Permissions under /var/spool/hylafax are the same under both kernels: # l /var/spool/hylafax/ total 76 drwxr-xr-x 17 uucp uucp 4096 Sep 25 22:16 . drwxr-xr-x 10 root root 4096 Dec 29 2013 .. drwx------ 2 uucp uucp 4096 May 21 2013 archive drwxr-xr-x 2 uucp uucp 4096 Sep 25 22:16 bin drwxr-xr-x 2 uucp uucp 4096 Sep 26 15:49 client drwxr-xr-x 2 uucp uucp 4096 Sep 25 22:16 config drwxr-xr-x 2 uucp uucp 4096 Oct 23 2017 dev drwx------ 2 uucp uucp 4096 Sep 26 15:49 docq drwx------ 2 uucp uucp 4096 Sep 20 00:00 doneq drwxr-xr-x 3 uucp uucp 4096 Sep 26 00:00 etc drwxr-xr-x 2 uucp uucp 4096 Sep 19 15:12 info drwxr-xr-x 2 uucp uucp 4096 Sep 26 10:25 log drwx------ 2 uucp uucp 4096 May 21 2013 pollq drwxr-xr-x 2 uucp uucp 4096 Sep 26 10:25 recvq drwx------ 2 uucp uucp 4096 Sep 26 15:49 sendq drwxr-xr-x 2 uucp uucp 4096 Oct 23 2017 status drwx------ 2 uucp uucp 4096 Sep 26 15:49 tmp -r--r--r-- 1 root root 5426 Sep 25 07:29 COPYRIGHT prw------- 1 uucp uucp 0 Sep 25 07:29 FIFO prw------- 1 uucp uucp 0 Sep 20 19:57 FIFO.ttyS0 The FIFO is there owned by uucp:uucp in both cases. Did the latest kernel tighten some type of security that would effect mkfifo for hylafax in some way? This caught me somewhat off-guard as both Arch servers are used in a production capacity and I had a fax that needed to go to Scottsdale before close of business. Any thoughts welcomed. I'll also post to the hylafax list and report back if there is any information there. -- David C. Rankin, J.D.,P.E.
On 09/26/2018 06:37 PM, David C. Rankin wrote:
Any thoughts welcomed. I'll also post to the hylafax list and report back if there is any information there.
I haven't heard back on the hylafax list yet, but this error is reproducible on Arch 4.18.9 with a simple example, e.g. $ sendfax -vv -n -d 5551212 anyfile.pdf ... 460 Failed to submit job 130: Unable to open scheduler FIFO: No such device or address. 460 Failed to submit job 130: Unable to open scheduler FIFO: No such device or address. Simply rebooting to LTS (4.14.71) and the command succeeds without any problem. Is anyone else seeing this? -- David C. Rankin, J.D.,P.E.
On 09/26/2018 11:37 PM, David C. Rankin wrote:
On 09/26/2018 06:37 PM, David C. Rankin wrote:
Any thoughts welcomed. I'll also post to the hylafax list and report back if there is any information there.
I haven't heard back on the hylafax list yet, but this error is reproducible on Arch 4.18.9 with a simple example, e.g.
$ sendfax -vv -n -d 5551212 anyfile.pdf ... 460 Failed to submit job 130: Unable to open scheduler FIFO: No such device or address. 460 Failed to submit job 130: Unable to open scheduler FIFO: No such device or address.
Simply rebooting to LTS (4.14.71) and the command succeeds without any problem.
Is anyone else seeing this?
Disregard, Sorry for the noise, the post run scripts left the fax scheduler not running. Manually restarting all faxq, fax and hfaxd services worked. Following restarting everything: # faxstat -v Trying localhost [10] (::1) at port 4559... Trying localhost [2] (127.0.0.1) at port 4559... Connected to (null). 220 phoinix.mydomain.com server (HylaFAX (tm) Version 6.0.7) ready. -> USER root 230 User root logged in. -> MDMFMT 200 Modem %m (%n): %s -> EPRT |1|127.0.0.1|36321| 200 EPRT command successful. -> LIST status 150 Opening new data connection for "status". HylaFAX scheduler on phoinix.mydomain.com: Running Modem ttyS0 (+1.936.xxx.xxxx): Running and idle 226 Transfer complete. where before it was left Not running. -- David C. Rankin, J.D.,P.E.
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David C. Rankin