Date: Mon, 8 Jan 2001 02:56:15 +0100 From: Salvo Bartolotta <bartequi@inwind.it> To: freebsd-current@freebsd.org Subject: SCSI CD recorder no longer attached; minor issues Message-ID: <01010802550600.00359@bartequi.ottodomain.org>
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Dear FreeBSD'ers, I am running -CURRENT as of today (sources as of ~ 18:15 GMT). I can see the following (a # sign precedes my comments): Waiting 15 seconds for SCSI devices to settle Mounting root from ufs:/dev/ad2s1a # YAMAHA CRW4416S: it is correctly recognized by -STABLE. # OTOH, the archives seem to report just *minor* SCSI issues. (cd0:ahc0:0:3:0): READ CD RECORDED CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 (cd0:ahc0:0:3:0): error code 0 (cd0:ahc0:0:3:0): fatal error, failed to attach to device (cd0:ahc0:0:3:0): lost device (cd0:ahc0:0:3:0): removing device entry # My cd player works cd1 at ahc0 bus 0 target 6 lun 0 cd1: <PLEXTOR CD-ROM PX-40TS 1.00> Removable CD-ROM SCSI-2 device cd1: 10.000MB/s transfers (10.000MHz, offset 15) cd1: Attempt to query device size failed: NOT READY, Medium not present # It is unusual on this system pcm0: hwptr went backwards 20 -> 12 pcm0: hwptr went backwards 2072 -> 2048 pcm0: hwptr went backwards 2184 -> 2048 pcm0: hwptr went backwards 20 -> 0 pcm0: hwptr went backwards 2068 -> 2048 pcm0: hwptr went backwards 2240 -> 2048 pcm0: hwptr went backwards 20 -> 0 pcm0: hwptr went backwards 20 -> 0 pcm0: hwptr went backwards 20 -> 0 pcm0: hwptr went backwards 20 -> 0 pcm0: hwptr went backwards 20 -> 0 pcm0: hwptr went backwards 2204 -> 2048 pcm0: hwptr went backwards 20 -> 0 pcm0: hwptr went backwards 2068 -> 2048 pcm0: hwptr went backwards 2068 -> 204 I forgot to reboot via 'shutdown -r now' *sigh* On a couple of subsequent occasions, however, shutdown -r now was timed out, and no entropy file was created; 'dd if=/dev/random of=/entropy bs=4096 count=1' (within the shutdown sequence) did NOT create anything. In s.u.m., I issued it as an ordinary explicit command, but it stalled. So... workaround: 'dd if=/dev/urandom of=/entropy bs=4096 count=1'. Then /dev/random, asked again to do its duty, helped dd (to) create an entropy file. I was wondering whether such a sanity check would be worth adding (in rc.shutdown ?) in order to prevent the above entropy (minor) issue. Does this make sense at all? Is this just a little temporary problem ? Thanks for your patience and best regards,. Salvo To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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